Difference between revisions of "JEF meeting, September 6, 2024"

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=Agenda=
 
=Agenda=
  
−
*'''Preparation of parts for ECAL''' -- Sasha  
+
'''Preparation of parts for ECAL''' -- Sasha  
−
** - HV long cable: Sammy and Mindy are finishing up with assembling cables, 2 cables are left  
+
* - HV long cable: Sammy and Mindy are finishing up with assembling cables, 2 cables are left  
−
** - HV distribution boards  [https://halldweb.jlab.org/detectors/fcal2/installation/meetings/08_09_2024/hv_board1.jpg][https://halldweb.jlab.org/detectors/fcal2/installation/meetings/08_09_2024/hv_board2.jpg]
+
* - HV distribution boards  [https://halldweb.jlab.org/detectors/fcal2/installation/meetings/08_09_2024/hv_board1.jpg][https://halldweb.jlab.org/detectors/fcal2/installation/meetings/08_09_2024/hv_board2.jpg]
−
:::  - 5 (12 x 4) and 5 (6 x 8) boards have been received. Chris checked connections. All remaining PCB boards are expected to be in the lab on Sep 12.
+
::  - 5 (12 x 4) and 5 (6 x 8) boards have been received. Chris checked connections. All remaining PCB boards are expected to be in the lab on Sep 12.
−
:::  - Chris is finalizing design of the distribution boxes (each box will comprise 9 PCBs). He expects to submit PR during next week.
+
::  - Chris is finalizing design of the distribution boxes (each box will comprise 9 PCBs). He expects to submit PR during next week.
 
* - Fix front panel of two LV distribution boards [https://halldweb.jlab.org/detectors/fcal2/installation/meetings/08_09_2024/lv_board1.jpg]
 
* - Fix front panel of two LV distribution boards [https://halldweb.jlab.org/detectors/fcal2/installation/meetings/08_09_2024/lv_board1.jpg]
 
:::  - new plates for the LV distribution boards should arrive to JLab during next week. Need to re-install 2 distribution boards and connect cables
 
:::  - new plates for the LV distribution boards should arrive to JLab during next week. Need to re-install 2 distribution boards and connect cables
 
* - LED: Started testing the prototype of the LMS (need to make the detector room light tight)
 
* - LED: Started testing the prototype of the LMS (need to make the detector room light tight)
−
<!-- **  - [https://halldweb.jlab.org/detectors/fcal2/installation/meetings/05_10_2024/May-10-2024-L.pdf Update from Laveen] -->
+
'''Installation of the FCAL2 detector & integration to GlueX''' -- Sasha / Vlad / Hakob / Laveen  
−
* '''Installation of the FCAL2 detector & integration to GlueX''' -- Sasha / Vlad / Hakob / Laveen  
+
* Installation and testing dividers has been completed [https://logbooks.jlab.org/entry/4316213]
−
<!-- ** Report from students [https://halldweb.jlab.org/detectors/fcal2/installation/meetings/06_28_2024/student_report_06_28_2024.pptx] -->
+
:: - need to arrange cables on chains
−
<!-- ** Installation of HV cables [https://logbooks.jlab.org/entry/4313492][https://halldweb.jlab.org/detectors/fcal2/installation/meetings/08_02_2024] -->
+
:: - need to arrange cables on cable trays
−
::: - two remaining bundle of cables will be ready in about a week
+
* [https://halldweb.jlab.org/wiki/index.php/FCAL_Installation Detector installation page]
−
* Installation and testing dividers has been completed [https://logbooks.jlab.org/entry/4315279]
+
* [https://halldweb.jlab.org/detectors/fcal2/installation/safety_docs/Document_240716_195013-1.pdf Safety briefings]
−
<!-- ** Installation of long signal cables [https://logbooks.jlab.org/entry/4312667] -->
+
'''Students''' -- Sasha
−
<!-- ** Installation LV patch panels and cables [https://logbooks.jlab.org/entry/4312759] -->
+
* - Expect one student from Wuhan, waiting for the US visa
−
** Installation of optical fibers [https://logbooks.jlab.org/entry/4311499]
+
''' [https://halldweb.jlab.org/wiki/index.php/ECAL_Commissioning ECAL commissioning]''' -- Sasha, All
−
** [https://halldweb.jlab.org/wiki/index.php/FCAL_Installation Detector installation page]
+
 
−
** [https://halldweb.jlab.org/detectors/fcal2/installation/safety_docs/Document_240716_195013-1.pdf Safety briefings]
+
'''Beam tests with the PS'''
−
* '''Students''' -- Sasha
+
*  measure shower beam profile and reconstruction in the crystal/LG transition region  
−
** - Expect one student from Wuhan, waiting for the US visa
+
*  (install prototype with 5x5 PbWO4 modules  + ? LG)  
−
* '''Beam tests with the PS'''
+
'''Other hardware projects'''
−
***  measure shower beam profile and reconstruction in the crystal/LG transition region  
+
* prototype of the ECAL veto counter (?)
−
***  (install prototype with 5x5 PbWO4 modules  + ? LG)  
+
'''Analysis/Simulation'''
−
* '''Other hardware projects'''
+
−
** prototype of the ECAL veto counter (?)
+
−
*'''Analysis/Simulation'''
+
 
** [https://halldweb.jlab.org/wiki/images/2/22/Sept-6-Status-Update.pdf Update from Laveen]
 
** [https://halldweb.jlab.org/wiki/images/2/22/Sept-6-Status-Update.pdf Update from Laveen]
 +
 +
=Minutes=
 +
Attendees: Sasha, Zisis, Susan, Xiaolin, Igal, Phil, Laveen, Jane, Ilya, Liping, Axel, Bill, Stjepan, Malte, Vlad, S.T.
 +
* Xiaolin gave a short presentation introducing herself and her group to our group
 +
* 2 HV cable assemblies are being completed
 +
* Chris S. received first articles of HV distribution boards, tested okay, green light given to produce the rest
 +
* Final design of HV distribution box delayed
 +
* LV distribution boards needed to be adjusted, waiting for 2 plates
 +
* LMS protytype testing to resume, considering adding LEDs
 +
* Major milestone:  all PMT dividers installed!
 +
** Velcro straps installed between chains
 +
** Cables still need to be organized more neatly
 +
** Spare cables added inside dark room
 +
* Sasha started ECAL commissioning wiki page
 +
** Run plan for detector calibration
 +
*** Use Compton scattering to start, &pi;0 events final calibration
 +
** Plan for rough gain equalization at ~10% level
 +
* Plan to start work on integrating ECAL into DAQ week of 9/9/24
 +
* Start commissioning lead glass region after collaboration meeting
 +
* Still considering using PS setup in Hall to study shower profile, look at lead glass/pwo transition region?
 +
* Liping brought up feasibility of reinstalling downstream muon detector (could expand JEF physics reach)
 +
* Laveen gave an update on close shower separation studies using HyCAL simulation+code
 +
* Bill reminded us of SULI summer student program

Latest revision as of 13:34, 9 September 2024

Meeting time and location:

Agenda

Preparation of parts for ECAL -- Sasha

  • - HV long cable: Sammy and Mindy are finishing up with assembling cables, 2 cables are left
  • - HV distribution boards [1][2]
- 5 (12 x 4) and 5 (6 x 8) boards have been received. Chris checked connections. All remaining PCB boards are expected to be in the lab on Sep 12.
- Chris is finalizing design of the distribution boxes (each box will comprise 9 PCBs). He expects to submit PR during next week.
  • - Fix front panel of two LV distribution boards [3]
- new plates for the LV distribution boards should arrive to JLab during next week. Need to re-install 2 distribution boards and connect cables
  • - LED: Started testing the prototype of the LMS (need to make the detector room light tight)

Installation of the FCAL2 detector & integration to GlueX -- Sasha / Vlad / Hakob / Laveen

  • Installation and testing dividers has been completed [4]
- need to arrange cables on chains
- need to arrange cables on cable trays

Students -- Sasha

  • - Expect one student from Wuhan, waiting for the US visa

ECAL commissioning -- Sasha, All

Beam tests with the PS

  • measure shower beam profile and reconstruction in the crystal/LG transition region
  • (install prototype with 5x5 PbWO4 modules + ? LG)

Other hardware projects

  • prototype of the ECAL veto counter (?)

Analysis/Simulation

Minutes

Attendees: Sasha, Zisis, Susan, Xiaolin, Igal, Phil, Laveen, Jane, Ilya, Liping, Axel, Bill, Stjepan, Malte, Vlad, S.T.

  • Xiaolin gave a short presentation introducing herself and her group to our group
  • 2 HV cable assemblies are being completed
  • Chris S. received first articles of HV distribution boards, tested okay, green light given to produce the rest
  • Final design of HV distribution box delayed
  • LV distribution boards needed to be adjusted, waiting for 2 plates
  • LMS protytype testing to resume, considering adding LEDs
  • Major milestone: all PMT dividers installed!
    • Velcro straps installed between chains
    • Cables still need to be organized more neatly
    • Spare cables added inside dark room
  • Sasha started ECAL commissioning wiki page
    • Run plan for detector calibration
      • Use Compton scattering to start, π0 events final calibration
    • Plan for rough gain equalization at ~10% level
  • Plan to start work on integrating ECAL into DAQ week of 9/9/24
  • Start commissioning lead glass region after collaboration meeting
  • Still considering using PS setup in Hall to study shower profile, look at lead glass/pwo transition region?
  • Liping brought up feasibility of reinstalling downstream muon detector (could expand JEF physics reach)
  • Laveen gave an update on close shower separation studies using HyCAL simulation+code
  • Bill reminded us of SULI summer student program
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