Difference between revisions of "JEF meeting, September 6, 2024"
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=Agenda= | =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 [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. | |
− | + | :: - 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] | |
::: - 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) | |
− | + | '''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] | |
− | + | :: - need to arrange cables on chains | |
− | + | :: - need to arrange cables on cable trays | |
− | + | * [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] | |
− | + | '''Students''' -- Sasha | |
− | + | * - Expect one student from Wuhan, waiting for the US visa | |
− | + | ''' [https://halldweb.jlab.org/wiki/index.php/ECAL_Commissioning 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''' | |
− | + | ||
− | + | ||
− | + | ||
** [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, 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 |
Latest revision as of 13:34, 9 September 2024
Meeting time and location:
- 9:30 am EST (JLab time) remote only
- Connection information
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
- Run plan for detector calibration
- 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