Difference between revisions of "JEF meeting, November 18, 2022"

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* '''Simulations/Analysis'''
 
* '''Simulations/Analysis'''
 +
** [https://halldweb.jlab.org/wiki/images/2/24/Glue-jefxd-igal-jaegle-18112022.pdf Updates] -- ig
 
*'''Preparation of parts for FCAL2 modules''' -- Sasha  
 
*'''Preparation of parts for FCAL2 modules''' -- Sasha  
 
** Received 25 CRYTUR crystals during this week [https://halldweb.jlab.org/wiki/index.php/CRYTUR]
 
** Received 25 CRYTUR crystals during this week [https://halldweb.jlab.org/wiki/index.php/CRYTUR]
−
**[https://halldweb.jlab.org/detectors/fcal2/module_fabrication/wrapped/wrapped_crytur.pdf Wrapped CRYTUR crystals: 762 ]  
+
**[https://halldweb.jlab.org/detectors/fcal2/module_fabrication/wrapped/wrapped_crytur.pdf Wrapped CRYTUR crystals: 772]  
−
*** Available for wrapping: 782 - 762 = 20 (20 crystals were wrapped during last week)
+
*** Available for wrapping: 10 crystals were wrapped during last week
 
*** Mindy (DSG group) continues wrapping crystals
 
*** Mindy (DSG group) continues wrapping crystals
 +
*** Mindy will start soldering wires to sockets (short meeting with Chris and Mindy)
 
** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/part_preparation.pdf List of available parts]
 
** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/part_preparation.pdf List of available parts]
 
* '''Module fabrication'''  -- Sasha
 
* '''Module fabrication'''  -- Sasha
 
** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/fcal_fabrication.pdf  Status of fabrication ]
 
** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/fcal_fabrication.pdf  Status of fabrication ]
−
** Fabricated modules: <span style="color:#FF0000"> Total 1335 </span> (17 modules fabricated since last week)  
+
** Fabricated modules: <span style="color:#FF0000"> Total 1348 </span> (13 modules fabricated since last week)  
 
*** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/module_fabrication.pdf All SICCAS 576 SICCAS]  
 
*** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/module_fabrication.pdf All SICCAS 576 SICCAS]  
−
*** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/module_fabrication_crytur.pdf 759 CRYTUR], available: 20
+
*** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/module_fabrication_crytur.pdf 786 CRYTUR], available: 24
 
*** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/11_11_22 Moving modules to the new lab (EEL108)]
 
*** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/11_11_22 Moving modules to the new lab (EEL108)]
  
 
* '''Installation of the FCAL2 detector''' -- Sasha / Arshak
 
* '''Installation of the FCAL2 detector''' -- Sasha / Arshak
−
** Updates from the meetings with Tim's group [https://halldweb.jlab.org/wiki/index.php/November_02,_2022_FCAL_Insert_Installation_Meeting November 2022]
+
** [https://halldweb.jlab.org/wiki/index.php/FCAL_Installation Detector installation page]
−
*** Detector cabling and patch panels for the FCAL insert
+
** Updates from the meetings with Tim's group [https://halldweb.jlab.org/wiki/index.php/November_16,_2022_FCAL_Insert_Installation_Meeting]
−
*** Manpower and division of tasks
+
** Detector cabling and patch panels for the FCAL insert
 +
** Manpower and division of tasks
 
** [https://halldweb.jlab.org/wiki/index.php/List_of_tasks_and_manpower Projects for summer students]
 
** [https://halldweb.jlab.org/wiki/index.php/List_of_tasks_and_manpower Projects for summer students]
−
** [https://halldweb.jlab.org/wiki/index.php/List_of_tasks_and_manpower Meeting with the detector support group]
 
 
* '''Light Monitoring System''' -- Arshak
 
* '''Light Monitoring System''' -- Arshak
 +
 +
=Minutes=
 +
Attendees: Igal, Sasha, Arshak, Liping, Zisis, Eugene, Phil, Olga, Susan, Malte, Azizah, Jane, Jon, Axel, S.T.
 +
* Igal gave an update on &eta;&rarr;&pi;0&gamma;&gamma;
 +
** Using low-level objects instead of reaction filter/DSelector
 +
** Saw no obvious difference between GlueX and JEF, for either shower reconstruction algorithm, when TOF veto was not applied
 +
** Saw differences between GlueX and JEF when the TOF veto was applied
 +
* Crystal wrapping continues: 10 new ones, 5 more week of 11/21/22
 +
** Next batch of crystals next month, 60 outstanding
 +
* All brass assemblies are now on site, some straps still fail
 +
* Total number of fabricated modules = 1348, expect to have constructed 1400 by end of the year
 +
** January: take COMCAL apart
 +
* Sasha went over task division (JEF responsibility vs engineering support) for FCAL2 installation in great detail
 +
** List of tasks + manpower (student support)
 +
*** Several groups (Lamar U., FIU, GWU, URegina,...) will be sending students to the Lab during the late spring/summer
 +
**** Need space for students in CEBAF center + EEL
 +
** Request for space in hall
 +
** Cabling scheme: optimization of rate per crate for insert (need 7 crates)
 +
* Sasha working on test stand for PMT divider studies
 +
* PMT divider procurement coming up soon
 +
* Sasha working on contract with GWU for PMT divider work
 +
* Arshak continuing to work on LMS studies with plexiglas+fibers
 +
** Put 25% absorber on border (~4 cm) of plexiglas -- improved uniformity in 1D plot, will look at 2D plot
 +
*** 33% absorber on order
 +
** Preparing for crosstalk measurements
 +
** Tim W. tentative design for holding plexiglas plate in place
 +
** Still need to finalize design:  next 2 weeks?

Latest revision as of 10:08, 2 December 2022

Meeting time and location:

  • 9:30 am EST (JLab time) remote only
  • Zoom meeting ID: 161 050 9142 Passcode: 004965

Agenda

Minutes

Attendees: Igal, Sasha, Arshak, Liping, Zisis, Eugene, Phil, Olga, Susan, Malte, Azizah, Jane, Jon, Axel, S.T.

  • Igal gave an update on η→π0γγ
    • Using low-level objects instead of reaction filter/DSelector
    • Saw no obvious difference between GlueX and JEF, for either shower reconstruction algorithm, when TOF veto was not applied
    • Saw differences between GlueX and JEF when the TOF veto was applied
  • Crystal wrapping continues: 10 new ones, 5 more week of 11/21/22
    • Next batch of crystals next month, 60 outstanding
  • All brass assemblies are now on site, some straps still fail
  • Total number of fabricated modules = 1348, expect to have constructed 1400 by end of the year
    • January: take COMCAL apart
  • Sasha went over task division (JEF responsibility vs engineering support) for FCAL2 installation in great detail
    • List of tasks + manpower (student support)
      • Several groups (Lamar U., FIU, GWU, URegina,...) will be sending students to the Lab during the late spring/summer
        • Need space for students in CEBAF center + EEL
    • Request for space in hall
    • Cabling scheme: optimization of rate per crate for insert (need 7 crates)
  • Sasha working on test stand for PMT divider studies
  • PMT divider procurement coming up soon
  • Sasha working on contract with GWU for PMT divider work
  • Arshak continuing to work on LMS studies with plexiglas+fibers
    • Put 25% absorber on border (~4 cm) of plexiglas -- improved uniformity in 1D plot, will look at 2D plot
      • 33% absorber on order
    • Preparing for crosstalk measurements
    • Tim W. tentative design for holding plexiglas plate in place
    • Still need to finalize design: next 2 weeks?
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