https://halldweb.jlab.org/wiki/api.php?action=feedcontributions&user=Ahmedali&feedformat=atomGlueXWiki - User contributions [en]2024-03-29T11:09:33ZUser contributionsMediaWiki 1.24.1https://halldweb.jlab.org/wiki/index.php?title=February_5,_2021_DIRC&diff=103848February 5, 2021 DIRC2021-02-05T14:39:11Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Friday February 5, 2021<br><br />
10:00 am, ET<br><br />
'''Remote only'''<br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/846453895] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements<br />
#* Collaboration Meeting: [https://halldweb.jlab.org/wiki/index.php/GlueX-Collaboration-Feb-2021 Feb 17-19]. DIRC update talk by Bill planned for Wed afternoon.<br />
#* [https://tipp2021.triumf.ca/abstracts.html TIPP Conference:] abstracts due Feb 7 (Sunday) <br />
# [https://halldweb.jlab.org/wiki/index.php/Mirror_prototype_test_plan#Proposed_prototypes Mirror prototype test plan] (All)<br />
#* Discussion of prototypes and ongoing tests<br />
#** Half-size prototype: test began on [https://logbooks.jlab.org/entry/3860795 Dec 22], inspections [https://logbooks.jlab.org/entry/3865870 Jan 19] and Feb 1 show air gap is maintained over 6 weeks<br />
#** Full-size 3-segment mirror prototypes: test began on [https://logbooks.jlab.org/entry/3864139 Jan 22] with weekly inspections: [https://logbooks.jlab.org/entry/3865871 Feb 1]<br />
#** [https://logbooks.jlab.org/entry/3865872 Top/bottom mirror prototype:] plan to begin water test on Monday<br />
#* North mirror box un-installed and inspected:<br />
#** [https://logbooks.jlab.org/entry/3865875 Inspection of mirrors and dye test]<br />
#** Removing all mirrors and plan to re-anodize at local shop<br />
#* Next steps in mirror process:<br />
#** Final modifications to mirror sizes (Justin), then order borofloat (several weeks lead time for previous order)<br />
#** Production mirror assembly planned for clean hood, and water tested in Hall D<br />
#* Other thoughts or suggestions?<br />
# Diffuser status (Bill)<br />
# DIRC commissioning analyses and 2020 studies (All)<br />
#* [https://halldweb.jlab.org/wiki-private/index.php/Spring_2020_Dataset_Summary#Full_REST_Production Spring 2020 data production status] (Justin)<br />
#* Geometric reconstruction update<br />
#** Update on shift of the time difference (Roman)<br />
#** [https://halldweb.jlab.org/wiki/images/1/1a/CherenkovPDFs2.pdf Cherenkov PDF] (Ahmed) <br />
#* FastDIRC update (Yunjie)<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=February_5,_2021_DIRC&diff=103847February 5, 2021 DIRC2021-02-05T14:38:29Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Friday February 5, 2021<br><br />
10:00 am, ET<br><br />
'''Remote only'''<br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/846453895] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements<br />
#* Collaboration Meeting: [https://halldweb.jlab.org/wiki/index.php/GlueX-Collaboration-Feb-2021 Feb 17-19]. DIRC update talk by Bill planned for Wed afternoon.<br />
#* [https://tipp2021.triumf.ca/abstracts.html TIPP Conference:] abstracts due Feb 7 (Sunday) <br />
# [https://halldweb.jlab.org/wiki/index.php/Mirror_prototype_test_plan#Proposed_prototypes Mirror prototype test plan] (All)<br />
#* Discussion of prototypes and ongoing tests<br />
#** Half-size prototype: test began on [https://logbooks.jlab.org/entry/3860795 Dec 22], inspections [https://logbooks.jlab.org/entry/3865870 Jan 19] and Feb 1 show air gap is maintained over 6 weeks<br />
#** Full-size 3-segment mirror prototypes: test began on [https://logbooks.jlab.org/entry/3864139 Jan 22] with weekly inspections: [https://logbooks.jlab.org/entry/3865871 Feb 1]<br />
#** [https://logbooks.jlab.org/entry/3865872 Top/bottom mirror prototype:] plan to begin water test on Monday<br />
#* North mirror box un-installed and inspected:<br />
#** [https://logbooks.jlab.org/entry/3865875 Inspection of mirrors and dye test]<br />
#** Removing all mirrors and plan to re-anodize at local shop<br />
#* Next steps in mirror process:<br />
#** Final modifications to mirror sizes (Justin), then order borofloat (several weeks lead time for previous order)<br />
#** Production mirror assembly planned for clean hood, and water tested in Hall D<br />
#* Other thoughts or suggestions?<br />
# Diffuser status (Bill)<br />
# DIRC commissioning analyses and 2020 studies (All)<br />
#* [https://halldweb.jlab.org/wiki-private/index.php/Spring_2020_Dataset_Summary#Full_REST_Production Spring 2020 data production status] (Justin)<br />
#* Geometric reconstruction update<br />
#** Update on shift of the time difference (Roman)<br />
#** [https://halldweb.jlab.org/wiki/images/1/1a/CherenkovPDFs2.pdf] Cherenkov PDF (Ahmed)<br />
#* FastDIRC update (Yunjie)<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=File:CherenkovPDFs2.pdf&diff=103845File:CherenkovPDFs2.pdf2021-02-05T14:37:01Z<p>Ahmedali: </p>
<hr />
<div></div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=January_4,_2021_DIRC&diff=103322January 4, 2021 DIRC2021-01-04T18:35:46Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Monday January 4, 2021<br><br />
1:00 pm, ET<br><br />
'''Remote only'''<br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/846453895] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements<br />
#* Next regular meeting January 18 is a holiday (MLK day)<br />
#* Scheduling conflict with 1 pm time slot on Mondays for Spring semester: [https://doodle.com/poll/tnmbax3b7g4cuwap?utm_source=poll&utm_medium=link Doodle poll for new time beginning Feb 1]<br />
# [https://halldweb.jlab.org/wiki/index.php/Mirror_prototype_test_plan#Proposed_prototypes Mirror prototype test plan] (All)<br />
#* Discussion of prototypes and ongoing tests: [https://logbooks.jlab.org/entry/3861212 December 28] [https://logbooks.jlab.org/entry/3861362 Today]<br />
#* [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=4828 Reflectivity measurements] (Justin/Bill)<br />
#* Order placed today for 3 additional sheets of UVE mirror (enough for both OBs), borosilicate still needed once assembly is finalized<br />
#* Other thoughts or suggestions?<br />
# Diffuser status (Bill)<br />
# [https://logbooks.jlab.org/entry/3860930 Module replacement strategy] (Bill)<br />
# DIRC commissioning analyses and 2020 studies (All)<br />
#* [https://halldweb.jlab.org/wiki-private/index.php/Spring_2020_Dataset_Summary#Full_REST_Production Spring 2020 data production status]: paused due to tape drive issue (Justin)<br />
#* Geometric reconstruction update (Ahmed/Roman)<br />
#** Update on shift of the time difference<br />
#** [https://halldweb.jlab.org/wiki/images/2/29/ReducingPhotonYield2.pdf pion/kaon Separation (photon cut)]<br />
#** Cherenkov PDF<br />
#* FastDIRC update (Yunjie)<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=January_4,_2021_DIRC&diff=103321January 4, 2021 DIRC2021-01-04T18:28:23Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Monday January 4, 2021<br><br />
1:00 pm, ET<br><br />
'''Remote only'''<br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/846453895] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements<br />
#* Next regular meeting January 18 is a holiday (MLK day)<br />
#* Scheduling conflict with 1 pm time slot on Mondays for Spring semester: [https://doodle.com/poll/tnmbax3b7g4cuwap?utm_source=poll&utm_medium=link Doodle poll for new time beginning Feb 1]<br />
# [https://halldweb.jlab.org/wiki/index.php/Mirror_prototype_test_plan#Proposed_prototypes Mirror prototype test plan] (All)<br />
#* Discussion of prototypes and ongoing tests: [https://logbooks.jlab.org/entry/3861212 December 28] [https://logbooks.jlab.org/entry/3861362 Today]<br />
#* [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=4828 Reflectivity measurements] (Justin/Bill)<br />
#* Order placed today for 3 additional sheets of UVE mirror (enough for both OBs), borosilicate still needed once assembly is finalized<br />
#* Other thoughts or suggestions?<br />
# Diffuser status (Bill)<br />
# [https://logbooks.jlab.org/entry/3860930 Module replacement strategy] (Bill)<br />
# DIRC commissioning analyses and 2020 studies (All)<br />
#* [https://halldweb.jlab.org/wiki-private/index.php/Spring_2020_Dataset_Summary#Full_REST_Production Spring 2020 data production status]: paused due to tape drive issue (Justin)<br />
#* Geometric reconstruction update (Ahmed/Roman)<br />
#** Update on shift of the time difference<br />
#** [https://halldweb.jlab.org/wiki/images/d/db/Sep.pdf pion/kaon Separation (photon cut)] [https://halldweb.jlab.org/wiki/images/2/29/ReducingPhotonYield2.pdf]<br />
#** Cherenkov PDF<br />
#* FastDIRC update (Yunjie)<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=File:ReducingPhotonYield2.pdf&diff=103320File:ReducingPhotonYield2.pdf2021-01-04T18:27:54Z<p>Ahmedali: </p>
<hr />
<div></div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=January_4,_2021_DIRC&diff=103319January 4, 2021 DIRC2021-01-04T18:27:23Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Monday January 4, 2021<br><br />
1:00 pm, ET<br><br />
'''Remote only'''<br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/846453895] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements<br />
#* Next regular meeting January 18 is a holiday (MLK day)<br />
#* Scheduling conflict with 1 pm time slot on Mondays for Spring semester: [https://doodle.com/poll/tnmbax3b7g4cuwap?utm_source=poll&utm_medium=link Doodle poll for new time beginning Feb 1]<br />
# [https://halldweb.jlab.org/wiki/index.php/Mirror_prototype_test_plan#Proposed_prototypes Mirror prototype test plan] (All)<br />
#* Discussion of prototypes and ongoing tests: [https://logbooks.jlab.org/entry/3861212 December 28] [https://logbooks.jlab.org/entry/3861362 Today]<br />
#* [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=4828 Reflectivity measurements] (Justin/Bill)<br />
#* Order placed today for 3 additional sheets of UVE mirror (enough for both OBs), borosilicate still needed once assembly is finalized<br />
#* Other thoughts or suggestions?<br />
# Diffuser status (Bill)<br />
# [https://logbooks.jlab.org/entry/3860930 Module replacement strategy] (Bill)<br />
# DIRC commissioning analyses and 2020 studies (All)<br />
#* [https://halldweb.jlab.org/wiki-private/index.php/Spring_2020_Dataset_Summary#Full_REST_Production Spring 2020 data production status]: paused due to tape drive issue (Justin)<br />
#* Geometric reconstruction update (Ahmed/Roman)<br />
#** Update on shift of the time difference<br />
#** [https://halldweb.jlab.org/wiki/images/d/db/Sep.pdf pion/kaon Separation (photon cut)] []<br />
#** Cherenkov PDF<br />
#* FastDIRC update (Yunjie)<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=January_4,_2021_DIRC&diff=103318January 4, 2021 DIRC2021-01-04T18:25:44Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Monday January 4, 2021<br><br />
1:00 pm, ET<br><br />
'''Remote only'''<br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/846453895] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements<br />
#* Next regular meeting January 18 is a holiday (MLK day)<br />
#* Scheduling conflict with 1 pm time slot on Mondays for Spring semester: [https://doodle.com/poll/tnmbax3b7g4cuwap?utm_source=poll&utm_medium=link Doodle poll for new time beginning Feb 1]<br />
# [https://halldweb.jlab.org/wiki/index.php/Mirror_prototype_test_plan#Proposed_prototypes Mirror prototype test plan] (All)<br />
#* Discussion of prototypes and ongoing tests: [https://logbooks.jlab.org/entry/3861212 December 28] [https://logbooks.jlab.org/entry/3861362 Today]<br />
#* [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=4828 Reflectivity measurements] (Justin/Bill)<br />
#* Order placed today for 3 additional sheets of UVE mirror (enough for both OBs), borosilicate still needed once assembly is finalized<br />
#* Other thoughts or suggestions?<br />
# Diffuser status (Bill)<br />
# [https://logbooks.jlab.org/entry/3860930 Module replacement strategy] (Bill)<br />
# DIRC commissioning analyses and 2020 studies (All)<br />
#* [https://halldweb.jlab.org/wiki-private/index.php/Spring_2020_Dataset_Summary#Full_REST_Production Spring 2020 data production status]: paused due to tape drive issue (Justin)<br />
#* Geometric reconstruction update (Ahmed/Roman)<br />
#** Update on shift of the time difference<br />
#** [https://halldweb.jlab.org/wiki/images/d/db/Sep.pdf pion/kaon Separation (photon cut)] [https://halldweb.jlab.org/wiki/images/archive/3/3e/20210104182402%21ReducingPhotonYield.pdf]<br />
#** Cherenkov PDF<br />
#* FastDIRC update (Yunjie)<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=File:ReducingPhotonYield.pdf&diff=103317File:ReducingPhotonYield.pdf2021-01-04T18:24:02Z<p>Ahmedali: Ahmedali uploaded a new version of File:ReducingPhotonYield.pdf</p>
<hr />
<div></div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=January_4,_2021_DIRC&diff=103316January 4, 2021 DIRC2021-01-04T18:10:11Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Monday January 4, 2021<br><br />
1:00 pm, ET<br><br />
'''Remote only'''<br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/846453895] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements<br />
#* Next regular meeting January 18 is a holiday (MLK day)<br />
#* Scheduling conflict with 1 pm time slot on Mondays for Spring semester: [https://doodle.com/poll/tnmbax3b7g4cuwap?utm_source=poll&utm_medium=link Doodle poll for new time beginning Feb 1]<br />
# [https://halldweb.jlab.org/wiki/index.php/Mirror_prototype_test_plan#Proposed_prototypes Mirror prototype test plan] (All)<br />
#* Discussion of prototypes and ongoing tests: [https://logbooks.jlab.org/entry/3861212 December 28] [https://logbooks.jlab.org/entry/3861362 Today]<br />
#* [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=4828 Reflectivity measurements] (Justin/Bill)<br />
#* Order placed today for 3 additional sheets of UVE mirror (enough for both OBs), borosilicate still needed once assembly is finalized<br />
#* Other thoughts or suggestions?<br />
# Diffuser status (Bill)<br />
# [https://logbooks.jlab.org/entry/3860930 Module replacement strategy] (Bill)<br />
# DIRC commissioning analyses and 2020 studies (All)<br />
#* [https://halldweb.jlab.org/wiki-private/index.php/Spring_2020_Dataset_Summary#Full_REST_Production Spring 2020 data production status]: paused due to tape drive issue (Justin)<br />
#* Geometric reconstruction update (Ahmed/Roman)<br />
#** Update on shift of the time difference<br />
#** [https://halldweb.jlab.org/wiki/images/d/db/Sep.pdf pion/kaon Separation (photon cut)]<br />
#** Cherenkov PDF<br />
#* FastDIRC update (Yunjie)<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=File:Sep.pdf&diff=103315File:Sep.pdf2021-01-04T18:07:06Z<p>Ahmedali: </p>
<hr />
<div></div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=December_7,_2020_DIRC&diff=103134December 7, 2020 DIRC2020-12-07T18:18:51Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Monday December 7, 2020<br><br />
1:00 pm, ET<br><br />
'''Remote only'''<br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/531811405] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements<br />
# South OB mirror box removal and evaluation (Bill, All)<br />
#* UV dye test [https://logbooks.jlab.org/entry/3859182 Friday] and [https://logbooks.jlab.org/entry/3859248 Monday] (Bill)<br />
#* One mirror (bottom plate) removed from the strong back: [https://logbooks.jlab.org/entry/3859251 mirror and glass separated with residual DP270]<br />
#* Reflectivity setup (Bill)<br />
# [https://halldweb.jlab.org/wiki/index.php/Mirror_prototype_test_plan#Proposed_prototypes Mirror prototype test plan] (All)<br />
#* Discussion of assembled prototypes<br />
#** [https://logbooks.jlab.org/entry/3858953 Liquid glass pieces]<br />
#** [https://logbooks.jlab.org/entry/3859252 Silicone mold to form thin epoxy layer]<br />
#** DP270 samples with wider epoxy seal (air gap) and full epoxy sandwich being assembled<br />
#** Epotek to be shipped this week<br />
#* Other thoughts or suggestions?<br />
# Diffuser sealing update (Bill)<br />
# [https://logbooks.jlab.org/entry/3858896 Replacement module tested] (Bill)<br />
# DIRC commissioning analyses and 2020 studies (All)<br />
#* [https://halldweb.jlab.org/wiki-private/index.php/Spring_2020_Dataset_Summary#Full_REST_Production Spring 2020 data production status] (Justin)<br />
#* Geometric reconstruction update (Ahmed/Roman)<br />
#** Update on shift of the time difference<br />
#** Reducing Photon Yield (Geant4)[https://halldweb.jlab.org/wiki/images/3/3e/ReducingPhotonYield.pdf] (Ahmed)<br />
#* FastDIRC update (Yunjie)<br />
# [https://halldweb.jlab.org/wiki/index.php/April_20-21,_2020_DIRC#Action_items Follow-up on additional action items from workfest] (All)<br />
#* 100M event MC samples required for &rho; and &phi; data/MC comparisons:<br />
#** /volatile/halld/home/gxproj7/RunPeriod-2019-11/dircsim-2019_11-ver02/analysis/hd_root_gen_2pi_pass00.root<br />
#** /volatile/halld/home/gxproj7/RunPeriod-2019-11/dircsim-2019_11-ver02/analysis/hd_root_gen_2k_pass00.root<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=File:ReducingPhotonYield.pdf&diff=103133File:ReducingPhotonYield.pdf2020-12-07T18:17:33Z<p>Ahmedali: </p>
<hr />
<div></div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=December_7,_2020_DIRC&diff=103132December 7, 2020 DIRC2020-12-07T18:13:30Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Monday December 7, 2020<br><br />
1:00 pm, ET<br><br />
'''Remote only'''<br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/531811405] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements<br />
# South OB mirror box removal and evaluation (Bill, All)<br />
#* UV dye test [https://logbooks.jlab.org/entry/3859182 Friday] and [https://logbooks.jlab.org/entry/3859248 Monday] (Bill)<br />
#* One mirror (bottom plate) removed from the strong back: [https://logbooks.jlab.org/entry/3859251 mirror and glass separated with residual DP270]<br />
#* Reflectivity setup (Bill)<br />
# [https://halldweb.jlab.org/wiki/index.php/Mirror_prototype_test_plan#Proposed_prototypes Mirror prototype test plan] (All)<br />
#* Discussion of assembled prototypes<br />
#** [https://logbooks.jlab.org/entry/3858953 Liquid glass pieces]<br />
#** [https://logbooks.jlab.org/entry/3859252 Silicone mold to form thin epoxy layer]<br />
#** DP270 samples with wider epoxy seal (air gap) and full epoxy sandwich being assembled<br />
#** Epotek to be shipped this week<br />
#* Other thoughts or suggestions?<br />
# Diffuser sealing update (Bill)<br />
# [https://logbooks.jlab.org/entry/3858896 Replacement module tested] (Bill)<br />
# DIRC commissioning analyses and 2020 studies (All)<br />
#* [https://halldweb.jlab.org/wiki-private/index.php/Spring_2020_Dataset_Summary#Full_REST_Production Spring 2020 data production status] (Justin)<br />
#* Geometric reconstruction update (Ahmed/Roman)<br />
#** Update on shift of the time difference<br />
#** Reducing Photon Yield<br />
#* FastDIRC update (Yunjie)<br />
# [https://halldweb.jlab.org/wiki/index.php/April_20-21,_2020_DIRC#Action_items Follow-up on additional action items from workfest] (All)<br />
#* 100M event MC samples required for &rho; and &phi; data/MC comparisons:<br />
#** /volatile/halld/home/gxproj7/RunPeriod-2019-11/dircsim-2019_11-ver02/analysis/hd_root_gen_2pi_pass00.root<br />
#** /volatile/halld/home/gxproj7/RunPeriod-2019-11/dircsim-2019_11-ver02/analysis/hd_root_gen_2k_pass00.root<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=October_12,_2020_DIRC&diff=102477October 12, 2020 DIRC2020-10-12T17:03:57Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Monday October 12, 2020<br><br />
1:00 pm, EDT<br><br />
'''Remote only'''<br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/531811405] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements:<br />
#* Collaboration meeting Oct 22-24: DIRC performance update expected<br />
#* IEEE contribution by Yunjie: Virtual conference Oct 31 - Nov 7; 15-min + 3-min Q&A oral presentation on Nov 4<br />
# [https://halldweb.jlab.org/wiki/index.php/2020_Winter_-_2021_Spring Shutdown work planning] (Bill, All)<br />
#* Survey/alignment planned for both bar boxes and optical boxes when crew is available (next week?)<br />
#* Followed by opening optical boxes and inspecting mirrors, etc. <br />
#* [https://www.jlab.org/Hall-D/engineering.php Hall D Engineering Page]: current detailed https://www.jlab.org/Hall-D/engineering/Hall%20D%20SAD%202020v2.pdf schedule]<br />
# DIRC commissioning analyses and 2020 studies (All)<br />
#* Spring 2020 data production status (Justin)<br />
#** Portion of runs 71350-71599 complete: /volatile/halld/home/gxproj7/RunPeriod-2019-11/recon/ver01_pass00/hd_root_71350_71598.root<br />
#* Geometric reconstruction update (Ahmed/Roman)<br />
#** [https://web-docs.gsi.de/~rdzhigad/www/research/delta-time-shift Update on shift of the time difference]<br />
#** [https://halldweb.jlab.org/wiki/images/f/fa/PerPMTCorrection.pdf Per PMT Correction]<br />
#* FastDIRC update (Yunjie)<br />
# [https://halldweb.jlab.org/wiki/index.php/April_20-21,_2020_DIRC#Action_items Follow-up on additional action items from workfest] (All)<br />
#* 100M event MC samples required for &rho; and &phi; data/MC comparisons:<br />
#** /volatile/halld/home/gxproj7/RunPeriod-2019-11/dircsim-2019_11-ver02/analysis/hd_root_gen_2pi_pass00.root<br />
#** /volatile/halld/home/gxproj7/RunPeriod-2019-11/dircsim-2019_11-ver02/analysis/hd_root_gen_2k_pass00.root<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=File:PerPMTCorrection.pdf&diff=102476File:PerPMTCorrection.pdf2020-10-12T17:02:24Z<p>Ahmedali: </p>
<hr />
<div></div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=September_28,_2020_DIRC&diff=102275September 28, 2020 DIRC2020-09-28T05:59:26Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Monday September 28, 2020<br><br />
1:00 pm, EDT<br><br />
'''Remote only'''<br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/531811405] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements:<br />
# [https://halldweb.jlab.org/wiki/index.php/2020_Winter_-_2021_Spring Shutdown work planning] (Bill) <br />
# DIRC commissioning analyses and 2020 studies (All)<br />
#* Spring 2020 data production status (Justin)<br />
#** Production launch at NERSC/PSC ongoing, partially moving back to JLab<br />
#* Geometric reconstruction update (Ahmed/Roman)<br />
#** [https://web-docs.gsi.de/~rdzhigad/www/research/delta-time-shift Update on shift of the time difference]<br />
#* FastDIRC update (Yunjie)<br />
# [https://halldweb.jlab.org/wiki/index.php/April_20-21,_2020_DIRC#Action_items Follow-up on additional action items from workfest] (All)<br />
#* 100M event MC samples required for &rho; and &phi; data/MC comparisons:<br />
#** /volatile/halld/home/gxproj7/RunPeriod-2019-11/dircsim-2019_11-ver02/analysis/hd_root_gen_2pi_pass00.root<br />
#** /volatile/halld/home/gxproj7/RunPeriod-2019-11/dircsim-2019_11-ver02/analysis/hd_root_gen_2k_pass00.root<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=File:GlueXDIRCUpdates.pdf&diff=101986File:GlueXDIRCUpdates.pdf2020-09-14T16:52:34Z<p>Ahmedali: Ahmedali uploaded a new version of File:GlueXDIRCUpdates.pdf</p>
<hr />
<div></div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=September_14,_2020_DIRC&diff=101985September 14, 2020 DIRC2020-09-14T16:37:26Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Monday September 14, 2020<br><br />
1:00 pm, EDT<br><br />
'''Remote only'''<br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/531811405] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements:<br />
# DIRC operations and running (Bill, Justin, All)<br />
# TRD/GEM installation and data taking: [https://logbooks.jlab.org/entry/3840271] [https://logbooks.jlab.org/entry/3840895]<br />
# [https://halldweb.jlab.org/wiki/index.php/2020_Winter_-_2021_Spring Shutdown work planning] (Bill) <br />
# DIRC commissioning analyses and 2020 studies (All)<br />
#* Spring 2020 monitoring and data production status (Justin)<br />
#** Production launch testing at NERSC/PSC ongoing<br />
#* Geometric reconstruction update (Ahmed/Roman)<br />
#** [https://halldweb.jlab.org/wiki/images/e/ed/GlueXDIRCUpdates.pdf update] (Ahmed)<br />
#** Shift of the time difference (Roman)<br />
#* FastDIRC update (Yunjie)<br />
# [https://halldweb.jlab.org/wiki/index.php/April_20-21,_2020_DIRC#Action_items Follow-up on additional action items from workfest] (All)<br />
#* 100M event MC samples required for &rho; and &phi; data/MC comparisons:<br />
#** /volatile/halld/home/gxproj7/RunPeriod-2019-11/dircsim-2019_11-ver02/analysis/hd_root_gen_2pi_pass00.root<br />
#** /volatile/halld/home/gxproj7/RunPeriod-2019-11/dircsim-2019_11-ver02/analysis/hd_root_gen_2k_pass00.root<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=September_14,_2020_DIRC&diff=101984September 14, 2020 DIRC2020-09-14T16:35:47Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Monday September 14, 2020<br><br />
1:00 pm, EDT<br><br />
'''Remote only'''<br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/531811405] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements:<br />
# DIRC operations and running (Bill, Justin, All)<br />
# TRD/GEM installation and data taking: [https://logbooks.jlab.org/entry/3840271] [https://logbooks.jlab.org/entry/3840895]<br />
# [https://halldweb.jlab.org/wiki/index.php/2020_Winter_-_2021_Spring Shutdown work planning] (Bill) <br />
# DIRC commissioning analyses and 2020 studies (All)<br />
#* Spring 2020 monitoring and data production status (Justin)<br />
#** Production launch testing at NERSC/PSC ongoing<br />
#* Geometric reconstruction update (Ahmed/Roman)<br />
#** [https://halldweb.jlab.org/wiki/index.php/File:GlueXDIRCUpdates.pdf update] (Ahmed)<br />
#** Shift of the time difference (Roman)<br />
#* FastDIRC update (Yunjie)<br />
# [https://halldweb.jlab.org/wiki/index.php/April_20-21,_2020_DIRC#Action_items Follow-up on additional action items from workfest] (All)<br />
#* 100M event MC samples required for &rho; and &phi; data/MC comparisons:<br />
#** /volatile/halld/home/gxproj7/RunPeriod-2019-11/dircsim-2019_11-ver02/analysis/hd_root_gen_2pi_pass00.root<br />
#** /volatile/halld/home/gxproj7/RunPeriod-2019-11/dircsim-2019_11-ver02/analysis/hd_root_gen_2k_pass00.root<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=File:GlueXDIRCUpdates.pdf&diff=101983File:GlueXDIRCUpdates.pdf2020-09-14T16:32:48Z<p>Ahmedali: </p>
<hr />
<div></div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=August_3,_2020_DIRC&diff=100848August 3, 2020 DIRC2020-08-03T16:50:32Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Monday August 3, 2020<br><br />
1:00 pm, EDT<br><br />
'''Remote only'''<br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/531811405] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements:<br />
# DIRC startup plans for summer run (Bill, Justin, All)<br />
#* Run startup status: [https://halldweb.jlab.org/data_monitoring/Plot_Browser.html?minRunNum=72590&maxRunNum=72609&RunPeriod=RunPeriod-2019-11&Version=rawdata_ver00&Plot=DIRC_hit&rcdb_query=daq_run%3D%3D%27PHYSICS_DIRC%27%20and%20event_count%20%3E%20500000%20and%20solenoid_current%20%3E%20100%20and%20collimator_diameter%20%21%3D%20%27Blocking%27 initial monitoring plots] look OK.<br />
#* [https://halldweb.jlab.org/work/halld2/data_monitoring/RunPeriod-2019-11/rawdata_ver00/Run072605/DIRC_North_occupancy.png Interesting pattern for North OB LED], water in the diffuser?<br />
#* TRD/GEM options?<br />
# DIRC commissioning analyses and 2020 studies (All)<br />
#* Spring 2020 monitoring and data production status (Justin)<br />
#** Monitoring launch ver12 completed (10 files from each run): used to check time offsets by run and initial PID studies<br />
#*** Files being combined at /volatile/halld/home/jrsteven/RunPeriod-2019-11/offline_monitoring/ver12_pass07/hd_root.root<br />
#** Monitoring launch ver16 completed: Final monitoring launch 71350-71727<br />
#** Production launch testing at NERSC ongoing<br />
#* Geometric reconstruction update (Ahmed/Roman) https://halldweb.jlab.org/wiki/images/4/4a/GlueXDIRC_3Aug_AA.pdf<br />
#* FastDIRC update (Yunjie)<br />
# [https://halldweb.jlab.org/wiki/index.php/April_20-21,_2020_DIRC#Action_items Follow-up on additional action items from workfest] (All)<br />
#* 100M event MC samples required for &rho; and &phi; data/MC comparisons:<br />
#** /volatile/halld/home/gxproj7/RunPeriod-2019-11/dircsim-2019_11-ver02/analysis/hd_root_gen_2pi_pass00.root<br />
#** /volatile/halld/home/gxproj7/RunPeriod-2019-11/dircsim-2019_11-ver02/analysis/hd_root_gen_2k_pass00.root<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=File:GlueXDIRC_3Aug_AA.pdf&diff=100846File:GlueXDIRC 3Aug AA.pdf2020-08-03T16:48:32Z<p>Ahmedali: </p>
<hr />
<div></div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=April_20-21,_2020_DIRC&diff=98276April 20-21, 2020 DIRC2020-04-20T13:49:35Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Monday-Tuesday April 20-21, 2020<br><br />
'''Remote only'''<br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/531811405] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
=== Monday, April 20 ===<br />
* 9:00 - [https://halldweb.jlab.org/wiki/images/5/56/Geom.pdf Status of geometric reconstruction] --- Roman<br />
* 9:45 - [https://halldweb.jlab.org/wiki/images/3/34/AAGlueXDIRC.pdf Status of Cherenkov PDF reconstruction] --- Ahmed<br />
* 10:30 - Break<br />
* 11:00 - [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=4434 Status of DIRC-external issues] --- Justin<br />
* 11:45 - Summary of run-dependent performance --- Bill<br />
* Afternoon - Followup discussion and presentations<br />
<br />
=== Tuesday, April 21 ===<br />
* 9:00 - FastDIRC status --- Yunjie<br />
* 9:45 - Followup discussion and planning future work --- All<br />
* 11:15 - GlueX bi-weekly meeting<br />
<br />
== Discussion notes ==<br />
<br />
=== Roman ===<br />
* Slide 2: Kaon distributions have more background SPR plot and likelihood distribution is wider for kaon than pions. Could the timing performance still be worse for kaons than pions <br />
* Slide 3: Preferred correction order is always to begin with per-PMT Cherenkov angle correction, since it keeps ring segments connected. Smearing by either track resolution (ring fit) or chromatic correction <br />
* Per-PMT Cherenkov angle correction<br />
** Some PMTs with bad correction, could be checked with MC?<br />
* Ring-fit correction<br />
** Sensitive to start values for the fits: use average of pion and kaon expected values.<br />
** How do the the correction factors vary over the DIRC plane?<br />
*** Can we determine a map of expected track corrections as a function of r, phi?<br />
* Chromatic correction<br />
** Possible to use MC with varying timing resolutions to see if it follows the expectation. From this we could determine what time resolution would be required to make significant chromatic correction<br />
** Suggestion to divide time difference by path length to improve performance (from SLAC experience)<br />
* Comparison of corrections<br />
** Need to keep track of both SPR improvement and difference between thetaC mean with improvements<br />
** Kaon LL difference narrows as corrections improve performance</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=File:AAGlueXDIRC.pdf&diff=98275File:AAGlueXDIRC.pdf2020-04-20T13:48:24Z<p>Ahmedali: </p>
<hr />
<div></div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=April_13,_2020_DIRC&diff=98053April 13, 2020 DIRC2020-04-13T16:58:05Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Monday April 13, 2020<br><br />
1:00 pm, EDT<br><br />
'''Remote only'''<br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/531811405] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements:<br />
# DIRC workfest discussion: April 20-21 (All)<br />
#* Presentations in the morning 9-noon (EDT), discussion in the afternoon if necessary?<br />
# 2019 commissioning analyses<br />
#* [[Spring 2019 DIRC Commissioning|Spring 2019 DIRC Commissioning Analysis]] (All)<br />
#* [[Fall 2019 DIRC Commissioning|Fall 2019 Commissioning Analysis]] (All)<br />
#* Commissioning analyses (All)<br />
#** [https://halldweb.jlab.org/DocDB/0043/004369/001/GEM_PA_4.13.20.pdf Update on DIRC/TRD analysis] (Justin)<br />
#** [https://halldweb.jlab.org/wiki/images/5/59/AA13Apr2020.pdf]Standalone LUT update (Ahmed/Roman)<br />
#** FastDIRC update (Yunjie)<br />
# High level observables: for run-by-run comparisons and bar/x-position binning over DIRC plane (All)<br />
#* Photon yield: reflected, direct, total<br />
#* &theta;<sub>C</sub> resolution: single-photon resolution, per-track resolution (from histogram fits)<br />
#* Timing resolution: reflected, direct<br />
# [https://halldweb.jlab.org/wiki/index.php/Bill%27s_to_do_list Summer to-do list]<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=File:AA13Apr2020.pdf&diff=98052File:AA13Apr2020.pdf2020-04-13T16:55:14Z<p>Ahmedali: </p>
<hr />
<div></div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=March_30,_2020_DIRC&diff=97679March 30, 2020 DIRC2020-03-30T17:07:21Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Monday March 30, 2020<br><br />
1:00 pm, EDT<br><br />
'''Remote only'''<br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/531811405] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements:<br />
# Issues and monitoring at the end of the run:<br />
#** Recent [https://logbooks.jlab.org/book/hddirc logbook entries] (All)<br />
#** DIRC water sample collected? Yes, March 24th<br />
# [https://halldweb.jlab.org/wiki/index.php/Bill%27s_to_do_list Summer to-do list]<br />
# 2019 commissioning analyses<br />
#* [[Spring 2019 DIRC Commissioning|Spring 2019 DIRC Commissioning Analysis]] (All)<br />
#* [[Fall 2019 DIRC Commissioning|Fall 2019 Commissioning Analysis]] (All)<br />
#* Commissioning analyses (All)<br />
#** Update on DIRC/TRD analysis: critical path item for production (target start date is end of April) (Justin)<br />
#** Standalone LUT update (Ahmed/Roman) [https://halldweb.jlab.org/wiki/images/3/3c/AA30mar2020_.pdf]<br />
#** FastDIRC update (Yunjie)<br />
# High level observables: for run-by-run comparisons and bar/x-position binning over DIRC plane (All)<br />
#* Photon yield: reflected, direct, total<br />
#* &theta;<sub>C</sub> resolution: single-photon resolution, per-track resolution (from histogram fits)<br />
#* Timing resolution: reflected, direct<br />
# GlueX detector schematic with DIRC (Bill)<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=File:AA30mar2020_.pdf&diff=97678File:AA30mar2020 .pdf2020-03-30T17:06:19Z<p>Ahmedali: </p>
<hr />
<div></div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=February_3,_2020_DIRC&diff=96296February 3, 2020 DIRC2020-02-03T18:14:02Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Monday February 3, 2029<br><br />
1:00 pm, EDT<br><br />
CC F326 <br><br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/531811405] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements:<br />
#* Late [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=4319 DIRC2019 proceedings]. Please send feedback ASAP.<br />
# Issues with the ongoing run:<br />
#* [https://halldweb.jlab.org/DocDB/0035/003581/002/2020_Feb_03_DIRC_meeting.pdf North OB fiber 2: change with atmospheric pressure] (Bill)<br />
# 2019 commissioning analyses<br />
#* [[Spring 2019 DIRC Commissioning|Spring 2019 DIRC Commissioning Analysis]] (All)<br />
#* [[Fall 2019 DIRC Commissioning|Fall 2019 Commissioning Analysis]] (All)<br />
#* Latest data files:<br />
#** dirc_tree files: /volatile/halld/home/gxproj7/RunPeriod-2019-11/dirc_monitoring/ver01/hists/merged/<br />
#** DIRC LED skims: /volatile/halld/home/gxproj7/RunPeriod-2019-11/dirc_monitoring/ver01/DIRC-LED/<br />
#** REST files: /volatile/halld/home/gxproj7/RunPeriod-2019-11/dirc_monitoring/ver01/REST/<br />
#* Commissioning analyses (All)<br />
#* Standalone LUT update (Ahmed/Roman) https://halldweb.jlab.org/wiki/images/4/48/Gluex_DIRC_feb_2020_1_pdf.pdf<br />
#* FastDIRC update (Yunjie)<br />
# High level observables: for run-by-run comparisons and bar/x position binning over DIRC plane (All)<br />
#* Photon yield: reflected, direct, total<br />
#* &theta;<sub>C</sub> resolution: single-photon resolution, per-track resolution (from histogram fits)<br />
#* Timing resolution: reflected, direct<br />
#* FastDIRC: &Delta;X and &Delta;Y resolution<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=File:Gluex_DIRC_feb_2020_1_pdf.pdf&diff=96295File:Gluex DIRC feb 2020 1 pdf.pdf2020-02-03T18:13:12Z<p>Ahmedali: Ahmedali uploaded a new version of File:Gluex DIRC feb 2020 1 pdf.pdf</p>
<hr />
<div></div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=February_3,_2020_DIRC&diff=96294February 3, 2020 DIRC2020-02-03T18:12:49Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Monday February 3, 2029<br><br />
1:00 pm, EDT<br><br />
CC F326 <br><br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/531811405] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements:<br />
#* Late [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=4319 DIRC2019 proceedings]. Please send feedback ASAP.<br />
# Issues with the ongoing run:<br />
#* [https://halldweb.jlab.org/DocDB/0035/003581/002/2020_Feb_03_DIRC_meeting.pdf North OB fiber 2: change with atmospheric pressure] (Bill)<br />
# 2019 commissioning analyses<br />
#* [[Spring 2019 DIRC Commissioning|Spring 2019 DIRC Commissioning Analysis]] (All)<br />
#* [[Fall 2019 DIRC Commissioning|Fall 2019 Commissioning Analysis]] (All)<br />
#* Latest data files:<br />
#** dirc_tree files: /volatile/halld/home/gxproj7/RunPeriod-2019-11/dirc_monitoring/ver01/hists/merged/<br />
#** DIRC LED skims: /volatile/halld/home/gxproj7/RunPeriod-2019-11/dirc_monitoring/ver01/DIRC-LED/<br />
#** REST files: /volatile/halld/home/gxproj7/RunPeriod-2019-11/dirc_monitoring/ver01/REST/<br />
#* Commissioning analyses (All)<br />
#* Standalone LUT update (Ahmed/Roman) <br />
#* FastDIRC update (Yunjie)<br />
# High level observables: for run-by-run comparisons and bar/x position binning over DIRC plane (All)<br />
#* Photon yield: reflected, direct, total<br />
#* &theta;<sub>C</sub> resolution: single-photon resolution, per-track resolution (from histogram fits)<br />
#* Timing resolution: reflected, direct<br />
#* FastDIRC: &Delta;X and &Delta;Y resolution<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=February_3,_2020_DIRC&diff=96291February 3, 2020 DIRC2020-02-03T17:50:30Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Monday February 3, 2029<br><br />
1:00 pm, EDT<br><br />
CC F326 <br><br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/531811405] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements:<br />
# Issues with the ongoing run:<br />
#* North OB fiber 2: change with atmospheric pressure (Bill)<br />
# 2019 commissioning analyses<br />
#* [[Spring 2019 DIRC Commissioning|Spring 2019 DIRC Commissioning Analysis]] (All)<br />
#* [[Fall 2019 DIRC Commissioning|Fall 2019 Commissioning Analysis]] (All)<br />
#* Latest data files:<br />
#** dirc_tree files: /volatile/halld/home/gxproj7/RunPeriod-2019-11/dirc_monitoring/ver01/hists/merged/<br />
#** DIRC LED skims: /volatile/halld/home/gxproj7/RunPeriod-2019-11/dirc_monitoring/ver01/DIRC-LED/<br />
#** REST files: /volatile/halld/home/gxproj7/RunPeriod-2019-11/dirc_monitoring/ver01/REST/<br />
#* Commissioning analyses (All)<br />
#* Standalone LUT update (Ahmed/Roman) https://halldweb.jlab.org/wiki/images/4/48/Gluex_DIRC_feb_2020_1_pdf.pdf<br />
#* FastDIRC update (Yunjie)<br />
# High level observables: for run-by-run comparisons and bar/x position binning over DIRC plane (All)<br />
#* Photon yield: reflected, direct, total<br />
#* &theta;<sub>C</sub> resolution: single-photon resolution, per-track resolution (from histogram fits)<br />
#* Timing resolution: reflected, direct<br />
#* FastDIRC: &Delta;X and &Delta;Y resolution<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=File:Gluex_DIRC_feb_2020_1_pdf.pdf&diff=96290File:Gluex DIRC feb 2020 1 pdf.pdf2020-02-03T17:48:55Z<p>Ahmedali: </p>
<hr />
<div></div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=Fall_2019_Commissioning_Meetings&diff=95524Fall 2019 Commissioning Meetings2019-12-19T15:07:41Z<p>Ahmedali: /* Thursday, December 19 */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Tuesdays and Thursdays, December 3-19<br><br />
10:00 am, EDT<br><br />
Hall D Counting House <br><br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/531811405] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
<br />
<br />
==Useful Links:==<br />
* [[Run Coordination Meetings:Fall2019 Run]]<br />
* [[Fall 2019 DIRC Commissioning|DIRC Fall 2019 Run Plan]]<br />
<br />
== Thursday, December 19 ==<br />
* Reconstruction of runs 70817-71073 almost complete (~8 billion of the 10 billion triggers collected so far): <br />
** REST, histogram and tree files appearing at: /volatile/halld/home/gxproj7/RunPeriod-2019-11/dirc_monitoring/ver00<br />
** Plan for data production over downtime <br />
* Summary of [[Fall_2019_DIRC_Commissioning#Production_datasets|production datasets]]<br />
* LED analysis:<br />
** Time over threshold analysis - [https://halldweb.jlab.org/DocDB/0042/004295/001/DIRC_tot_slides.pdf Gain_eq] (Andrew)<br />
** [https://logbooks.jlab.org/entry/3756210 Correlations between fibers and hit times] (Bill)<br />
** LED analyses [https://halldweb.jlab.org/wiki/images/0/0a/19Dec.pdf] (Ahmed)<br />
<br />
* GEM [https://logbooks.jlab.org/entry/3756231 update] and analysis plans discussion<br />
* High rate studies: <br />
** [https://logbooks.jlab.org/entry/3756224 DAQ performance sufficient at 400 nA] (nominal GlueX-II conditions)<br />
** Plan to continue this overnight for more experience before January startup<br />
* Plans for shutdown:<br />
** LED runs for HV/threshold scans on Friday after beam down<br />
** LV and HV off over break, but no mechanical changes planned<br />
* Investigation of North OB in January: <br />
** Proposal to drain North OB, inspect Bar Box 0 optical coupling to mirror box (misalignment?), inspect mirrors<br />
** Beam could be back as early as January 7, so we can likely only observe the situation and seal things back up.<br />
<br />
== Tuesday, December 17 ==<br />
* Initial data analyses (early runs 70817-70849):<br />
** Standard halld_recon LUT: [https://logbooks.jlab.org/entry/3755056]<br />
** FastDIRC: [https://logbooks.jlab.org/entry/3753419]<br />
** LED analyses north box [https://halldweb.jlab.org/wiki/images/2/2e/17DecGluex.pdf]<br />
* Total statistics around ~6 billion triggers so far, should get close to statistics we had last Spring (~10 billion total)<br />
* Upcoming plans:<br />
** Remaining GEM data with focused FCAL trigger<br />
** Additional DIRC threshold/gain/HV settings:<br />
** High rate tests: paths to eliminate DIRC as bottleneck<br />
<br />
== Thursday, December 12 ==<br />
* Initial data (70817-70849) reconstruction complete: <br />
** REST, histogram and tree files appearing at: /volatile/halld/home/gxproj7/RunPeriod-2019-11/dirc_monitoring/ver00<br />
* Waiting for runs 70937+ to be transferred to the /cache/ disk<br />
* [https://halldweb.jlab.org/wiki/images/4/42/2019-11_FastDIRC.pdf VERY preliminary first look with FastDIRC]<br />
* Upcoming plans:<br />
** More GEM data with focused FCAL trigger<br />
** High rate trigger/DAQ tests, including DIRC (Sasha)<br />
** CPP test, 1 hr (David)<br />
<br />
== Tuesday, December 10 ==<br />
* First field-on data Friday evening: Run 70817+<br />
** Initial issues with timing now resolved and data processing [https://logbooks.jlab.org/entry/3750566 some plots]<br />
** Initial data reconstruction underway: <br />
*** REST, histogram and tree files appearing at: /volatile/halld/home/gxproj7/RunPeriod-2019-11/dirc_monitoring/ver00<br />
* Unfortunate data loss before accelerator vacuum issue: Run 70850-70895: https://logbooks.jlab.org/entry/3750309<br />
* LED Analysis: (Ahmed/Bill/Andrew)<br />
* Upcoming plans:<br />
** When beam is back continue with nominal conditions: Threshold = pedestal + 100, equalized gains, HV = 1000 V<br />
** Dedicated runs with GEM detector included with low trigger rate<br />
<br />
== Thursday, December 5 ==<br />
* Collected straight track data in "beam left" position: see correlations with TRD wire chamber and GEM SRS (APV) modules<br />
** A couple runs with DIRC included for initial tests (70720 and 70721)<br />
* LED Analysis: (Ahmed/Bill)<br />
* Upcoming plans:<br />
** Today/tonight: Straight track data in center and right positions by Friday morning.<br />
** Friday: Ramp solenoid and setup for DIRC commissioning<br />
** Weekend: DIRC commissioning with full solenoid field!<br />
<br />
== Tuesday, December 3 ==<br />
* Status update from the Hall<br />
* Plans for straight track data</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=File:19Dec.pdf&diff=95523File:19Dec.pdf2019-12-19T15:04:32Z<p>Ahmedali: </p>
<hr />
<div></div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=Fall_2019_Commissioning_Meetings&diff=95487Fall 2019 Commissioning Meetings2019-12-17T16:03:52Z<p>Ahmedali: /* Tuesday, December 17 */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Tuesdays and Thursdays, December 3-19<br><br />
10:00 am, EDT<br><br />
Hall D Counting House <br><br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/531811405] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
<br />
<br />
==Useful Links:==<br />
* [[Run Coordination Meetings:Fall2019 Run]]<br />
* [[Fall 2019 DIRC Commissioning|DIRC Fall 2019 Run Plan]]<br />
<br />
== Tuesday, December 17 ==<br />
* Initial data analyses (early runs 70817-70849):<br />
** Standard halld_recon LUT: [https://logbooks.jlab.org/entry/3755056]<br />
** FastDIRC: [https://logbooks.jlab.org/entry/3753419]<br />
** LED analyses north box [https://halldweb.jlab.org/wiki/images/2/2e/17DecGluex.pdf]<br />
* Total statistics around ~6 billion triggers so far, should get close to statistics we had last Spring (~10 billion total)<br />
* Upcoming plans:<br />
** Remaining GEM data with focused FCAL trigger<br />
** Additional DIRC threshold/gain/HV settings:<br />
** High rate tests: paths to eliminate DIRC as bottleneck<br />
<br />
== Thursday, December 12 ==<br />
* Initial data (70817-70849) reconstruction complete: <br />
** REST, histogram and tree files appearing at: /volatile/halld/home/gxproj7/RunPeriod-2019-11/dirc_monitoring/ver00<br />
* Waiting for runs 70937+ to be transferred to the /cache/ disk<br />
* [https://halldweb.jlab.org/wiki/images/4/42/2019-11_FastDIRC.pdf VERY preliminary first look with FastDIRC]<br />
* Upcoming plans:<br />
** More GEM data with focused FCAL trigger<br />
** High rate trigger/DAQ tests, including DIRC (Sasha)<br />
** CPP test, 1 hr (David)<br />
<br />
== Tuesday, December 10 ==<br />
* First field-on data Friday evening: Run 70817+<br />
** Initial issues with timing now resolved and data processing [https://logbooks.jlab.org/entry/3750566 some plots]<br />
** Initial data reconstruction underway: <br />
*** REST, histogram and tree files appearing at: /volatile/halld/home/gxproj7/RunPeriod-2019-11/dirc_monitoring/ver00<br />
* Unfortunate data loss before accelerator vacuum issue: Run 70850-70895: https://logbooks.jlab.org/entry/3750309<br />
* LED Analysis: (Ahmed/Bill/Andrew)<br />
* Upcoming plans:<br />
** When beam is back continue with nominal conditions: Threshold = pedestal + 100, equalized gains, HV = 1000 V<br />
** Dedicated runs with GEM detector included with low trigger rate<br />
<br />
== Thursday, December 5 ==<br />
* Collected straight track data in "beam left" position: see correlations with TRD wire chamber and GEM SRS (APV) modules<br />
** A couple runs with DIRC included for initial tests (70720 and 70721)<br />
* LED Analysis: (Ahmed/Bill)<br />
* Upcoming plans:<br />
** Today/tonight: Straight track data in center and right positions by Friday morning.<br />
** Friday: Ramp solenoid and setup for DIRC commissioning<br />
** Weekend: DIRC commissioning with full solenoid field!<br />
<br />
== Tuesday, December 3 ==<br />
* Status update from the Hall<br />
* Plans for straight track data</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=File:17DecGluex.pdf&diff=95486File:17DecGluex.pdf2019-12-17T16:03:02Z<p>Ahmedali: </p>
<hr />
<div></div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=October_28,_2019_DIRC&diff=94724October 28, 2019 DIRC2019-10-28T16:52:52Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Monday October 14, 2019<br><br />
1:00 pm, EDT<br><br />
Hall D Counting House <br><br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/531811405] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements:<br />
# Mirror replacement update<br />
#* Full size gluing samples and water test (Tim, Keith)<br />
#** Thermal expansion test #3 [https://logbooks.jlab.org/entry/3735577 Result]<br />
#* Mirror cutting: trimming "funky" shaped piece on top/bottom plates today (Tim/Scot)<br />
#* Expect borosilicate delivery this afternoon (Tim/Scot)<br />
#* Gluing and assembly starts tomorrow (All)<br />
#** 4 "flat" mirrors taped to strongback and borosilicate will be glued/cured in place<br />
#** 3-segment and "wedge" mirrors glued separately and taped after curing.<br />
#** Schedule: glue pieces for North OB by the end of the week, cure over the weekend and assemble next week. Follow similar parallel plan for South OB<br />
# LED diffuser Update (Bill)<br />
# Readout tests (Justin, Bill, All)<br />
#* [https://logbooks.jlab.org/entry/3734898 Successful FPGA replacement] (Bill, Justin)<br />
#* [https://logbooks.jlab.org/entry/3734904 Threshold scan of North and South OB (Run 70005) for LED runs] (Justin, Bill)<br />
#* [https://logbooks.jlab.org/entry/3735666 First tests of North and South OB with pulser and LED] (Justin, Bill) <br />
# [[Fall 2019 DIRC Commissioning|Fall 2019 Run Plan]] (All)<br />
# [[Spring 2019 DIRC Commissioning|Spring 2019 DIRC Commissioning Analysis]] (All)<br />
#* New production [https://mailman.jlab.org/pipermail/halld-pid-upgrade/2019-September/000458.html announcement e-mail]<br />
#** Merged ROOT TTrees: /volatile/halld/home/jrsteven/RunPeriod-2019-01/recon/analysis_REST/ver01_pass00/merged/<br />
#* New simulation samples (10M events of &rho; and &phi; samples): producing ROOT TTrees now with additional information on truth-level extrapolated tracks.<br />
#** /volatile/halld/home/gxproj7/dircsim-2019_01-ver00/gen_2pi/<br />
#** /volatile/halld/home/gxproj7/dircsim-2019_01-ver00/gen_2k/<br />
#* Commissioning LUT analyses (All)<br />
#** Cherenkov ring fit (Roman) <br />
#** Commissioning Analyses Update [https://halldweb.jlab.org/wiki/images/a/ad/LED_analyes.pdf](Ahmed) <br />
#* Commissioning FastDIRC update (Yunjie)<br />
# Software/simulations<br />
#* FastDIRC geometry implementation and alignment work (Cris/Yunjie)<br />
# Software [https://halldweb.jlab.org/wiki/index.php/DIRC_Software_Overview overview] and [https://halldweb.jlab.org/wiki/index.php/DIRC_Software_Tasks tasks] (All)<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=File:LED_analyes.pdf&diff=94723File:LED analyes.pdf2019-10-28T16:50:50Z<p>Ahmedali: </p>
<hr />
<div></div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=September_3,_2019_DIRC&diff=93735September 3, 2019 DIRC2019-09-03T15:41:34Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Tuesday September 3, 2019<br><br />
1:00 pm, EDT<br><br />
CC F326 <br><br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/531811405] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements:<br />
# Installation work:<br />
#* South OB mirror replacement update<br />
#** Strongback modification and anodization (Stephanie, Mark)<br />
#** "Sandwich" (rear surface) mirror option to protect reflective surface (current priority for testing)<br />
#*** [https://halldweb.jlab.org/DocDB/0041/004160/001/reflectivity_9.3.19.pdf Reflectivity measurement results] (Bill, Andrew, Justin, All)<br />
#** Deadline for decision on mirror replacement is September 5. Complete schedule from Tim after this date for installation before Fall run.<br />
#* North box installation progress (Mark, All)<br />
#* Next steps (All)<br />
# [[Spring 2019 DIRC Commissioning|Spring 2019 DIRC Commissioning Analysis]] (All)<br />
#* Commissioning LUT analyses (All)<br />
#** Cherenkov ring fit (Roman) <br />
#**[ https://www.dropbox.com/s/zfvslbyc0mf0521/presentation_3sep_2019.pdf?dl=0 Commissioning Analyses Update ] (Ahmed) <br />
#* Commissioning FastDIRC update (Yunjie)<br />
# Software/simulations<br />
#* FastDIRC geometry implementation and alignment work (Cris/Yunjie)<br />
# Software [https://halldweb.jlab.org/wiki/index.php/DIRC_Software_Overview overview] and [https://halldweb.jlab.org/wiki/index.php/DIRC_Software_Tasks tasks] (All)<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=September_3,_2019_DIRC&diff=93734September 3, 2019 DIRC2019-09-03T15:14:25Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Tuesday September 3, 2019<br><br />
1:00 pm, EDT<br><br />
CC F326 <br><br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/531811405] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements:<br />
# Installation work:<br />
#* South OB mirror replacement update<br />
#** Strongback modification and anodization (Stephanie, Mark)<br />
#** "Sandwich" (rear surface) mirror option to protect reflective surface (current priority for testing)<br />
#*** [https://halldweb.jlab.org/DocDB/0041/004160/001/reflectivity_9.3.19.pdf Reflectivity measurement results] (Bill, Andrew, Justin, All)<br />
#** Deadline for decision on mirror replacement is September 5. Complete schedule from Tim after this date for installation before Fall run.<br />
#* North box installation progress (Mark, All)<br />
#* Next steps (All)<br />
# [[Spring 2019 DIRC Commissioning|Spring 2019 DIRC Commissioning Analysis]] (All)<br />
#* Commissioning LUT analyses (All)<br />
#** Cherenkov ring fit (Roman) <br />
#**[ Commissioning Analyses Update ] (Ahmed) <br />
#* Commissioning FastDIRC update (Yunjie)<br />
# Software/simulations<br />
#* FastDIRC geometry implementation and alignment work (Cris/Yunjie)<br />
# Software [https://halldweb.jlab.org/wiki/index.php/DIRC_Software_Overview overview] and [https://halldweb.jlab.org/wiki/index.php/DIRC_Software_Tasks tasks] (All)<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=August_20,_2019_DIRC&diff=93598August 20, 2019 DIRC2019-08-20T16:58:48Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Thursday August 20, 2019<br><br />
1:00 pm, EDT<br><br />
Hall D Counting House <br><br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/531811405] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements:<br />
#* Fall 2019 run delayed: expected to start DIRC commissioning November 25<br />
# Installation work:<br />
#* South OB Mirror replacement update<br />
#** All mirrors removed from strongback, preparing for anodizing (Bill, Mark, All)<br />
#*** Possibility to modify one strongback piece for to allow for LED diffuser (Bill, Stephanie)<br />
#** Mirror studies and water tests (Bill, All) [https://logbooks.jlab.org/entry/3709114 Surface voltage test] [https://logbooks.jlab.org/entry/3713852 losing coating] [https://logbooks.jlab.org/entry/3716403 latest update] [https://logbooks.jlab.org/entry/3716606 summary table]<br />
#** "Sandwich" (rear surface) mirror option to protect reflective surface (current priority for testing)<br />
#*** Reflectivity measurements and plans for further samples ([https://halldweb.jlab.org/DocDB/0035/003581/002/DIRC_meeting_20_Aug.pdf Bill], All)<br />
#*** Simulation of nominal first surface mirror (black) and sandwich mirror with 1mm glass on top of reflective surface (blue). Single photon resolution not degraded by adding thin glass on top of reflective surface: 8.16 +/- 0.01 mrad for nominal and 8.06 +/- 0.01 mead for 1mm glass sandwich. [[File:Thetac zoom.png]]<br />
#** [https://halldweb.jlab.org/wiki/images/5/53/Expected_lambda_distribution_082019.pdf More on expected wavelength distribution] (Yunjie)<br />
#** Deadline for decision on mirror replacement is September 5. Complete schedule from Tim after this date for installation before Fall run.<br />
#* North box installation progress (Tim, All)<br />
#** Planning for extraction of mirror box in situ, for mirror replacement<br />
#* Tape (mirror-strongback) in water study (Bill, All) [https://logbooks.jlab.org/entry/3716065 Issue] [https://logbooks.jlab.org/entry/3716588 test]<br />
#* Next steps (All)<br />
# [[Spring 2019 DIRC Commissioning|Spring 2019 DIRC Commissioning Analysis]] (All)<br />
#* Commissioning LUT analyses (All)<br />
#** Cherenkov ring fit (Roman) <br />
#**[https://halldweb.jlab.org/wiki/images/e/e9/Commissioning_AA.pdf Systematics Survey vs Momentum Direction Rotation vs G4 Simulation] (Ahmed) <br />
#***[http://web-docs.gsi.de/~aali/ahmeddirc/pages/glx_corr_mom.html Momentum Direction Rotation (Best SPR Method)]<br />
#***[http://web-docs.gsi.de/~aali/v2.mp4 Visualization 1] [http://web-docs.gsi.de/~aali/v3.mp4 Visualization 2]<br />
#**[https://halldweb.jlab.org/wiki/images/7/73/Separation_v1_Ahmed.pdf Pion/Kaon Separation Power 1st version]<br />
#* Commissioning FastDIRC update (Yunjie)<br />
# Software/simulations<br />
#* FastDIRC geometry implementation and alignment work (Cris/Yunjie)<br />
# Software [https://halldweb.jlab.org/wiki/index.php/DIRC_Software_Overview overview] and [https://halldweb.jlab.org/wiki/index.php/DIRC_Software_Tasks tasks] (All)<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=File:Separation_v1_Ahmed.pdf&diff=93596File:Separation v1 Ahmed.pdf2019-08-20T16:55:41Z<p>Ahmedali: </p>
<hr />
<div></div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=August_8,_2019_DIRC&diff=93475August 8, 2019 DIRC2019-08-08T15:17:50Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Thursday August 8, 2019<br><br />
1:00 pm, EDT<br><br />
JLab F326 <br><br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/531811405] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements:<br />
#* Fall 2019 run delayed: expected to start DIRC commissioning November 25<br />
# Installation work:<br />
#* Mirror studies and water tests (Bill, All)<br />
#* Epoxy test samples to prevent corrosion of exposed aluminum surfaces (Tim, Bill, All)<br />
#* Next steps (All)<br />
# [[Spring 2019 DIRC Commissioning|Spring 2019 DIRC Commissioning Analysis]] (All)<br />
#* Commissioning LUT analyses (All)<br />
#** Cherenkov ring fit (Roman) <br />
#**[https://halldweb.jlab.org/wiki/images/e/e9/Commissioning_AA.pdf Systematics [Survey vs Momentum Direction Rotation vs G4 Simulation] ] (Ahmed) <br />
#***[http://web-docs.gsi.de/~aali/ahmeddirc/pages/glx_corr_mom.html Momentum Direction Rotation (Best SPR Method)]<br />
#***[http://web-docs.gsi.de/~aali/v2.mp4 Visualization 1] [http://web-docs.gsi.de/~aali/v3.mp4 Visualization 2]<br />
#* Commissioning FastDIRC update (Yunjie)<br />
# Software/simulations<br />
#* FastDIRC geometry implementation and alignment work (Cris/Yunjie)<br />
# Software [https://halldweb.jlab.org/wiki/index.php/DIRC_Software_Overview overview] and [https://halldweb.jlab.org/wiki/index.php/DIRC_Software_Tasks tasks] (All)<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=File:Commissioning_AA.pdf&diff=93474File:Commissioning AA.pdf2019-08-08T15:11:18Z<p>Ahmedali: </p>
<hr />
<div></div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=August_8,_2019_DIRC&diff=93473August 8, 2019 DIRC2019-08-08T15:10:37Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Thursday August 8, 2019<br><br />
1:00 pm, EDT<br><br />
JLab F326 <br><br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/531811405] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements:<br />
#* Fall 2019 run delayed: expected to start DIRC commissioning November 25<br />
# Installation work:<br />
#* Mirror studies and water tests (Bill, All)<br />
#* Epoxy test samples to prevent corrosion of exposed aluminum surfaces (Tim, Bill, All)<br />
#* Next steps (All)<br />
# [[Spring 2019 DIRC Commissioning|Spring 2019 DIRC Commissioning Analysis]] (All)<br />
#* Commissioning LUT analyses (All)<br />
#** Cherenkov ring fit (Roman) <br />
#** Cherenkov Systematics (Ahmed) <br />
#**[https://halldweb.jlab.org/wiki/images/a/aa/G_commitionning.pdf Survey vs Momentum Direction Rotation Corrections] (Ahmed) <br />
#*[http://web-docs.gsi.de/~aali/ahmeddirc/pages/glx_corr_mom.html Momentum Direction Rotation (Best SPR Method)]<br />
#*[http://web-docs.gsi.de/~aali/v2.mp4 Visualization 1]<br />
#*[http://web-docs.gsi.de/~aali/v3.mp4 Visualization 2]<br />
<br />
#* Commissioning FastDIRC update (Yunjie)<br />
# Software/simulations<br />
#* FastDIRC geometry implementation and alignment work (Cris/Yunjie)<br />
# Software [https://halldweb.jlab.org/wiki/index.php/DIRC_Software_Overview overview] and [https://halldweb.jlab.org/wiki/index.php/DIRC_Software_Tasks tasks] (All)<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=July_23,_2019_DIRC&diff=93320July 23, 2019 DIRC2019-07-23T16:37:30Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Tuesday July 23, 2019<br><br />
1:00 pm, EDT<br><br />
JLab F326 <br><br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/531811405] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements<br />
# Installation work:<br />
#* Mirror studies:<br />
#** Mirrors in OB determined to be UV-enhanced first surface mirrors which are different from those used in test sample studies<br />
#*** [https://halldweb.jlab.org/wiki/images/e/ed/Reflectivity.pdf Implications for reflectivity vs wavelength, long term tests under water, etc.] (Justin/All)<br />
#** [https://logbooks.jlab.org/entry/3706827 Strongback disassembly and mirror reflectivity measurements] [https://halldweb.jlab.org/DocDB/0041/004127/001/DIRC_reflectivity_report.pdf Reflectivity Report] (Bill)<br />
#** Tests of composition from oxidized surfaces (Eugene/Bill)<br />
#* Epoxy test samples to prevent corrosion of exposed aluminum surfaces (Tim, Bill, All)<br />
#** [[https://logbooks.jlab.org/entry/3708280 Results from UV enhanced mirror in water sample with DP190]<br />
#* Next steps:<br />
#** Receive remaining UV enhanced mirror from Bates and have cut for additional sample pieces (Wednesday 7/24)<br />
#** Decide on epoxy for pin holes of Upper (North) OB. Apply epoxy and re-install mirror box in OB for installation. After receiving gold-plated screws, install in upper bar boxes and proceed with installing North OB<br />
#** Replace mirrors on Lower (South) mirror box, re-anodize strong back and reapply new mirrors. Need to choose the same UV-enhanced or other first surface mirrors from previous tests.<br />
#*** Tests of separating test mirrors from aluminum piece already underway<br />
# [[Spring 2019 DIRC Commissioning|Spring 2019 DIRC Commissioning Analysis]] (All)<br />
#* Commissioning LUT analyses (All)<br />
#**[https://web-docs.gsi.de/~rdzhigad/www/research/cherenkov-ring-fit Cherenkov ring fit] (Roman) <br />
#**[http://web-docs.gsi.de/~aali/ahmeddirc/pages/glx_cherenkov_DR_compare.html Cherenkov Systematics] [https://halldweb.jlab.org/wiki/images/a/aa/G_commitionning.pdf Survey Corrections] (Ahmed) <br />
#* Contributions to Jerry's DIRC review article (Yunjie, All)<br />
# Software/simulations<br />
#* FastDIRC geometry implementation and alignment work (Cris/Yunjie)<br />
# Software [https://halldweb.jlab.org/wiki/index.php/DIRC_Software_Overview overview] and [https://halldweb.jlab.org/wiki/index.php/DIRC_Software_Tasks tasks] (All)<br />
# AOB</div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=File:G_commitionning.pdf&diff=93319File:G commitionning.pdf2019-07-23T16:33:13Z<p>Ahmedali: </p>
<hr />
<div></div>Ahmedalihttps://halldweb.jlab.org/wiki/index.php?title=July_23,_2019_DIRC&diff=93318July 23, 2019 DIRC2019-07-23T16:31:51Z<p>Ahmedali: /* Agenda */</p>
<hr />
<div>== Meeting Information ==<br />
GlueX DIRC Meeting<br><br />
Tuesday July 23, 2019<br><br />
1:00 pm, EDT<br><br />
JLab F326 <br><br />
<br />
== Connection Using Bluejeans ==<br />
<br />
# To join via Polycom room system go to the IP Address: 199.48.152.152 ([http://bjn.vc bjn.vc]) and enter the meeting ID: 846453895.<br />
# To join via a Web Browser, go to the page [https://bluejeans.com/531811405] https://bluejeans.com/846453895 .<br />
# To join via phone, use one of the following numbers and the Conference ID: 846453895 <br />
#* US or Canada: +1 408 740 7256 or <br />
#* US or Canada: +1 888 240 2560<br />
# More information on connecting to [[Connect to the Data Challenge Meetings|bluejeans]] is available.<br />
<br />
== Agenda ==<br />
<br />
# Announcements<br />
# Installation work:<br />
#* Mirror studies:<br />
#** Mirrors in OB determined to be UV-enhanced first surface mirrors which are different from those used in test sample studies<br />
#*** [https://halldweb.jlab.org/wiki/images/e/ed/Reflectivity.pdf Implications for reflectivity vs wavelength, long term tests under water, etc.] (Justin/All)<br />
#** [https://logbooks.jlab.org/entry/3706827 Strongback disassembly and mirror reflectivity measurements] [https://halldweb.jlab.org/DocDB/0041/004127/001/DIRC_reflectivity_report.pdf Reflectivity Report] (Bill)<br />
#** Tests of composition from oxidized surfaces (Eugene/Bill)<br />
#* Epoxy test samples to prevent corrosion of exposed aluminum surfaces (Tim, Bill, All)<br />
#** [[https://logbooks.jlab.org/entry/3708280 Results from UV enhanced mirror in water sample with DP190]<br />
#* Next steps:<br />
#** Receive remaining UV enhanced mirror from Bates and have cut for additional sample pieces (Wednesday 7/24)<br />
#** Decide on epoxy for pin holes of Upper (North) OB. Apply epoxy and re-install mirror box in OB for installation. After receiving gold-plated screws, install in upper bar boxes and proceed with installing North OB<br />
#** Replace mirrors on Lower (South) mirror box, re-anodize strong back and reapply new mirrors. Need to choose the same UV-enhanced or other first surface mirrors from previous tests.<br />
#*** Tests of separating test mirrors from aluminum piece already underway<br />
# [[Spring 2019 DIRC Commissioning|Spring 2019 DIRC Commissioning Analysis]] (All)<br />
#* Commissioning LUT analyses (All)<br />
#**[https://web-docs.gsi.de/~rdzhigad/www/research/cherenkov-ring-fit Cherenkov ring fit] (Roman) <br />
#**[http://web-docs.gsi.de/~aali/ahmeddirc/pages/glx_cherenkov_DR_compare.html Cherenkov Systematics] (Ahmed) <br />
#* Contributions to Jerry's DIRC review article (Yunjie, All)<br />
# Software/simulations<br />
#* FastDIRC geometry implementation and alignment work (Cris/Yunjie)<br />
# Software [https://halldweb.jlab.org/wiki/index.php/DIRC_Software_Overview overview] and [https://halldweb.jlab.org/wiki/index.php/DIRC_Software_Tasks tasks] (All)<br />
# AOB</div>Ahmedali