Difference between revisions of "JEF meeting, August 20, 2021"

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(Agenda)
(Minutes)
 
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* Module fabrication
 
* Module fabrication
 
* COMCAL tests, TAC running, etc.
 
* COMCAL tests, TAC running, etc.
 +
** [https://logbooks.jlab.org/entry/3894051 CCAL installed in the Hall]
 
* Data analysis
 
* Data analysis
 +
# [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=5240 Working with MCTrajectories in simulation] (Jon)
 
# [https://halldweb.jlab.org/DocDB/0052/005239/002/glue-jefxd-igal-jaegle-20082021.pdf eta to 2gpi^0 in FCAL(2)]
 
# [https://halldweb.jlab.org/DocDB/0052/005239/002/glue-jefxd-igal-jaegle-20082021.pdf eta to 2gpi^0 in FCAL(2)]
 
* Simulations
 
* Simulations
 +
 +
=Minutes=
 +
Attendees: Olga, Bill B., Varun, Jane, Sasha, Arshak, Jon, Zisis, Phil, Chase, Susan, Tim B., Liping, S.T.
 +
* No news on SICCAS crystals (company looking for another vendor for raw material)
 +
** Need to consider approaching management about possibly switching vendor
 +
** Plan to set up meeting with Eugene in near future to discuss what to do?
 +
* Inventory of other items needed for module construction:
 +
** PMTs ordered, received 50, monthly delivery schedule
 +
** Light guides ready to go
 +
** Quality of brazing could be improved
 +
*** Task could possibly be outsourced?
 +
*** Considering switching to 50 micron thick brass strips instead of 25 micron -- Tim identified source but width not a match to what we are currently using
 +
** LMS system needs work:  Arshak can work on some aspects in Yerevan
 +
* COMCAL has been installed in hall on platform
 +
** Initial checkout of signals using LED looks good
 +
** Survey indicates a tilt, possibly due to torque due to cables
 +
* Need more manpower for module construction
 +
** Detector support group?
 +
** Arshak to join UNCW group
 +
* Fernando has designed PMT divider prototype for NPS (that could be modified for us to use for FCAL-2?)
 +
** Would like to have 25 to test using beam by SRC run in November
 +
* Jon presented usage of MCTrajectory information in the simulation of photon events
 +
** Indicate places in the detector where photons convert into e+/e- pairs
 +
* Igal's presentation on agenda was postponed until next week

Latest revision as of 16:00, 20 August 2021

Meeting time and location= 9:30 am EST (JLab time) Bluejeans only


Connection instructions

We are using BlueJeans Video/Audio conferencing. Our meeting ID number is 992533564. Click "Expand" for more details.

  • Make sure you have created a BlueJeans account via your JLab CUE account using this link:
  • If connecting via Web Browser: click this link (no passcode is needed):
  • If connecting via Phone: Dial one of the following numbers and then enter the meeting ID above and hit "#" or "##"
  • If connecting via Polycom unit:
    • Dial 199.48.152.152 or bjn.vc
    • Enter meeting ID above

Agenda

  1. Working with MCTrajectories in simulation (Jon)
  2. eta to 2gpi^0 in FCAL(2)
  • Simulations

Minutes

Attendees: Olga, Bill B., Varun, Jane, Sasha, Arshak, Jon, Zisis, Phil, Chase, Susan, Tim B., Liping, S.T.

  • No news on SICCAS crystals (company looking for another vendor for raw material)
    • Need to consider approaching management about possibly switching vendor
    • Plan to set up meeting with Eugene in near future to discuss what to do?
  • Inventory of other items needed for module construction:
    • PMTs ordered, received 50, monthly delivery schedule
    • Light guides ready to go
    • Quality of brazing could be improved
      • Task could possibly be outsourced?
      • Considering switching to 50 micron thick brass strips instead of 25 micron -- Tim identified source but width not a match to what we are currently using
    • LMS system needs work: Arshak can work on some aspects in Yerevan
  • COMCAL has been installed in hall on platform
    • Initial checkout of signals using LED looks good
    • Survey indicates a tilt, possibly due to torque due to cables
  • Need more manpower for module construction
    • Detector support group?
    • Arshak to join UNCW group
  • Fernando has designed PMT divider prototype for NPS (that could be modified for us to use for FCAL-2?)
    • Would like to have 25 to test using beam by SRC run in November
  • Jon presented usage of MCTrajectory information in the simulation of photon events
    • Indicate places in the detector where photons convert into e+/e- pairs
  • Igal's presentation on agenda was postponed until next week