Difference between revisions of "Jul 2, 2009 Readout"

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'''<font color=red>Teleconference Time: 11:00 a.m. EST</font>'''  
 
'''<font color=red>Teleconference Time: 11:00 a.m. EST</font>'''  
  
−
* EVO session
+
* ESNET and EVO session
 
* Phone:
 
* Phone:
 
** +1-800-377-8846 : US
 
** +1-800-377-8846 : US
 
** +1-888-276-7715 : Canada
 
** +1-888-276-7715 : Canada
 
** +1-302-709-8424 : International
 
** +1-302-709-8424 : International
−
** then enter participant code: 39527048# (remember the "#")
+
** then enter participant code: 77438230# (remember the "#"). Note participant code changed 7/2/09.
  
 
=Items for followup from previous meeting=
 
=Items for followup from previous meeting=
 
# Will to propose detailed plan for prototyping for feedback. Sketch of test setup could help visualization.
 
# Will to propose detailed plan for prototyping for feedback. Sketch of test setup could help visualization.
 
# Link report to GlueX wiki (Eduardo)
 
# Link report to GlueX wiki (Eduardo)
−
# JLab to send files to import into USM cad system (Elton, Tim)
+
# <strike> JLab to send files to import into USM cad system (Elton, Tim) </strike>
 
# Make progress on USM MOU document (Elton, Will, Eugene)
 
# Make progress on USM MOU document (Elton, Will, Eugene)
 +
# <strike> MC shower 2 GeV, 20 deg but centered on 2nd cell (instead of between cells 2 and 3). </strike>
  
 
= Documents to Review=
 
= Documents to Review=
Line 21: Line 22:
 
# Review of Action Items
 
# Review of Action Items
 
# USM report
 
# USM report
−
#* [http://www.jlab.org/Hall-D/software/wiki/images/6/6b/DLO_v0.1_-_Resume.pdf Pedro's presentation]
 
 
# Prototyping
 
# Prototyping
−
# Fibers
 
−
#* Acceptance of first shipment
 
−
#* Delivery of second shipment
 
 
# Discussion of readout options
 
# Discussion of readout options
−
#* [[Private:Readout Cost Estimates]]
+
## Costs
−
#* FM light guides (See updated [http://argus.phys.uregina.ca/cgi-bin/private/DocDB/ShowDocument?docid=1287 GlueX-doc-1287])
+
## Light collection
−
#* [http://clasweb.jlab.org/elton/halld/temp/eltonbcalreadout.pdf Mechanical model] (by Hutton)
+
## Geometry
−
# Bcal Readout Review (July 21)
+
# [http://www.jlab.org/Hall-D/guest_secure/Bcal_Readout_Jul09 Bcal Readout Review (July 21)]
−
#* Stefano Miscetti will participate via video
+
## Reviewers: Stefano Miscetti (INFN, via video), Stepan Stepanyan (Hall B), Howard Fenker (Hall C).
−
#* Other reviewers?
+
## Tentative schedule: July 10: pre-brief material, July 16: slides for presentations.
−
#* Tentative agenda
+
## pre-brief material: 1) Overview document  (Elton) 2) Relevant GlueX-docs 3) Summary of SiPMs (Carl?) 4) [http://www.jlab.org/~somov/bcal_eff.pdf MC acceptance and background] (Sasha) 4) Top level drawings?
 
# Simulations
 
# Simulations
−
#* [http://www.jlab.org/~somov/bcal_light.ppt Background from Cerenkov light ] (Sasha)
+
#* [[Media:PhotonEfficiency_Jun09.pdf | Relative acceptance of SiPM and FM options]]
−
#* Andrei will complete simulations of number of visible photons per GeV.
+
#* [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=1296 GlueX-doc-1296] Contributions to the BCAL energy resolution from calibration systematics
 
# Discussions on MOU with USM
 
# Discussions on MOU with USM
  
 
= Minutes =
 
= Minutes =
 +
Attending: JLab: Beni, Elton, Eugene, John, Sasha, IU: Mihajlo, UofR: Zisis, Andrei, USM:Alam, Will, Serguei
 +
 +
# Announcements
 +
#* New participant number for phone conferencing
 +
# Review of Action Items
 +
#* Progress on items 3 and 5.
 +
#* Zisis asked about payment for shipment of the Baby Bcal to USM. Credit card payment is planned. Will to contact Zisis with relevant information.
 +
# USM report
 +
## Slides showing materials which have been assembled for prototyping light guides. Alam or Will: Please post file to portal and link from minutes.
 +
##* Plexiglas material obtained from CERN stores
 +
##* Elton: Request cost estimate of producing completed light guides at USM. Serguei will complete estimate.
 +
##* Testing of light guides will be done CPTA and Hamamatsu SiPMs, as well as photomultiplier tubes.
 +
##* Looking for faster blue 430 nm LEDs. Suggestion is to look at Athens [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=1285 GlueX-doc-1285] and [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=1293 GlueX-doc-1293] calibration reports on the portal, or contacting George Vulgaris directly.
 +
##* Initial machining of small light guides will be accomplished with the small milling machine that will arrive soon. It is relatively inexpensive because it can only machine soft materials such as wood and plastics.
 +
##* Initial light guides will be about 10 cm long. The milling machine has the capability of carving complicated shapes such as Winston Cones.
 +
# Discussion of readout options
 +
## Geometry. Note added by Elton: Chuck will produce some drawings of some of the preliminary designs to send out to manufacturers to obtain cost estimates.
 +
# [http://www.jlab.org/Hall-D/guest_secure/Bcal_Readout_Jul09 Bcal Readout Review (July 21)]
 +
## Reviewers: Stefano Miscetti (INFN, via video), Stepan Stepanyan (Hall B), Howard Fenker (Hall C).
 +
## Tentative schedule: July 10: pre-brief material, July 16: slides for presentations.
 +
## Discussion of agenda items and charge. Elton will update drafts and repost to web site for review.
 +
# Simulations
 +
#* [[Media:PhotonEfficiency_Jun09.pdf | Relative acceptance of SiPM and FM options]]
 +
#* [http://www.jlab.org/~somov/bcal_eff.pdf MC acceptance and background] (Sasha)
 +
#* [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=1296 GlueX-doc-1296] Contributions to the BCAL energy resolution from calibration systematics
 +
# Discussions on MOU with USM

Latest revision as of 17:11, 24 February 2017

Teleconference Time: 11:00 a.m. EST

  • ESNET and EVO session
  • Phone:
    • +1-800-377-8846 : US
    • +1-888-276-7715 : Canada
    • +1-302-709-8424 : International
    • then enter participant code: 77438230# (remember the "#"). Note participant code changed 7/2/09.

Items for followup from previous meeting

  1. Will to propose detailed plan for prototyping for feedback. Sketch of test setup could help visualization.
  2. Link report to GlueX wiki (Eduardo)
  3. JLab to send files to import into USM cad system (Elton, Tim)
  4. Make progress on USM MOU document (Elton, Will, Eugene)
  5. MC shower 2 GeV, 20 deg but centered on 2nd cell (instead of between cells 2 and 3).

Documents to Review

Tentative Agenda

  1. Announcements
  2. Review of Action Items
  3. USM report
  4. Prototyping
  5. Discussion of readout options
    1. Costs
    2. Light collection
    3. Geometry
  6. Bcal Readout Review (July 21)
    1. Reviewers: Stefano Miscetti (INFN, via video), Stepan Stepanyan (Hall B), Howard Fenker (Hall C).
    2. Tentative schedule: July 10: pre-brief material, July 16: slides for presentations.
    3. pre-brief material: 1) Overview document (Elton) 2) Relevant GlueX-docs 3) Summary of SiPMs (Carl?) 4) MC acceptance and background (Sasha) 4) Top level drawings?
  7. Simulations
  8. Discussions on MOU with USM

Minutes

Attending: JLab: Beni, Elton, Eugene, John, Sasha, IU: Mihajlo, UofR: Zisis, Andrei, USM:Alam, Will, Serguei

  1. Announcements
    • New participant number for phone conferencing
  2. Review of Action Items
    • Progress on items 3 and 5.
    • Zisis asked about payment for shipment of the Baby Bcal to USM. Credit card payment is planned. Will to contact Zisis with relevant information.
  3. USM report
    1. Slides showing materials which have been assembled for prototyping light guides. Alam or Will: Please post file to portal and link from minutes.
      • Plexiglas material obtained from CERN stores
      • Elton: Request cost estimate of producing completed light guides at USM. Serguei will complete estimate.
      • Testing of light guides will be done CPTA and Hamamatsu SiPMs, as well as photomultiplier tubes.
      • Looking for faster blue 430 nm LEDs. Suggestion is to look at Athens GlueX-doc-1285 and GlueX-doc-1293 calibration reports on the portal, or contacting George Vulgaris directly.
      • Initial machining of small light guides will be accomplished with the small milling machine that will arrive soon. It is relatively inexpensive because it can only machine soft materials such as wood and plastics.
      • Initial light guides will be about 10 cm long. The milling machine has the capability of carving complicated shapes such as Winston Cones.
  4. Discussion of readout options
    1. Geometry. Note added by Elton: Chuck will produce some drawings of some of the preliminary designs to send out to manufacturers to obtain cost estimates.
  5. Bcal Readout Review (July 21)
    1. Reviewers: Stefano Miscetti (INFN, via video), Stepan Stepanyan (Hall B), Howard Fenker (Hall C).
    2. Tentative schedule: July 10: pre-brief material, July 16: slides for presentations.
    3. Discussion of agenda items and charge. Elton will update drafts and repost to web site for review.
  6. Simulations
  7. Discussions on MOU with USM
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