Difference between revisions of "JEF meeting, May 24, 2024"
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** - HV distribution boards: has not yet been designed, need 4 boards | ** - HV distribution boards: has not yet been designed, need 4 boards | ||
** - LV cables: missing about 20 cables, waiting for the last delivery batch. | ** - LV cables: missing about 20 cables, waiting for the last delivery batch. | ||
− | ** - LV distribution boards [https://halldweb.jlab.org/detectors/fcal2/cables/lv_distribution/lv_dist_board.jpg ]. One board out of 4 is ready, using for testing dividers | + | ** - LV distribution boards [https://halldweb.jlab.org/detectors/fcal2/cables/lv_distribution/lv_dist_board.jpg ]. One board out of 4 is ready, using for testing dividers [[Media:lv_distribution.jpg]] |
** - LED: prototype board is ready, have to start testing | ** - LED: prototype board is ready, have to start testing | ||
* '''Ongoing projects''' - All | * '''Ongoing projects''' - All | ||
** - [https://halldweb.jlab.org/detectors/fcal2/installation/meetings/05_10_2024/May-10-2024-L.pdf Update from Laveen] | ** - [https://halldweb.jlab.org/detectors/fcal2/installation/meetings/05_10_2024/May-10-2024-L.pdf Update from Laveen] | ||
* '''[[Testing of PMT dividers]]''' -- Sasha / Vlad / George / Mindy | * '''[[Testing of PMT dividers]]''' -- Sasha / Vlad / George / Mindy | ||
+ | ** - [[File:regulators.xlsx]] Map of dividers with removed regulators | ||
** - Testing procedure [https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test_guide.pptx] | ** - Testing procedure [https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test_guide.pptx] | ||
** - All dividers have been fabricated and tested by George [https://halldweb.jlab.org/wiki/index.php/Final_test_of_dividers] | ** - All dividers have been fabricated and tested by George [https://halldweb.jlab.org/wiki/index.php/Final_test_of_dividers] | ||
*** Continue removing regulators from the PCB (about 70 regulators have been removed, require re-testing dividers) | *** Continue removing regulators from the PCB (about 70 regulators have been removed, require re-testing dividers) | ||
* '''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 cables and dividers [https://logbooks.jlab.org/entry/ | + | ** Installation and testing cables and dividers [https://logbooks.jlab.org/entry/4308819] [https://logbooks.jlab.org/entry/4308979] |
** [https://halldweb.jlab.org/wiki/index.php/FCAL_Installation Detector installation page] | ** [https://halldweb.jlab.org/wiki/index.php/FCAL_Installation Detector installation page] | ||
− | |||
* '''Summer students''' -- Sasha | * '''Summer students''' -- Sasha | ||
− | ** - | + | ** - Olivia, Ben, and Shane are on site. Expect one student from Wuhan (have to start with the paperwork) |
** - Projects: document all test results, assist with the cable/divider installation, install signal cables on patch panel, work on the ECAL monitoring plots | ** - Projects: document all test results, assist with the cable/divider installation, install signal cables on patch panel, work on the ECAL monitoring plots | ||
* '''Beam tests with the PS''' | * '''Beam tests with the PS''' | ||
Line 27: | Line 27: | ||
* '''Other hardware projects''' | * '''Other hardware projects''' | ||
** prototype of the ECAL veto counter (?) | ** prototype of the ECAL veto counter (?) | ||
+ | *** Impact of veto on eta channels from Feb'24 collaboration meeting: [[File:p9.pdf]] | ||
*'''FCAL2 posters for open house''' | *'''FCAL2 posters for open house''' | ||
** JEF/ECAL/FCAL poster (Laveen + students + feedback from all of us) | ** JEF/ECAL/FCAL poster (Laveen + students + feedback from all of us) | ||
− | ** [https://halldweb.jlab.org/wiki/images/2/2c/1-OH24Poster-V-LAVEEN-revised.pdf | + | ** [https://halldweb.jlab.org/wiki/images/2/2c/1-OH24Poster-V-LAVEEN-revised.pdf JEF physics poster] (Laveen) |
*'''Analysis/Simulation''' | *'''Analysis/Simulation''' | ||
+ | |||
+ | =Minutes= | ||
+ | Attendees: Sasha, Bill, Igal, Anapum, Liping, Zisis, Olga, Stjepan, Jon, Axel, Jane, S.T. | ||
+ | * Sasha working on getting help on long HV cables from detector support group | ||
+ | * HV distribution board design not started | ||
+ | * One LV distribution board prepared | ||
+ | * Prototype board for LEDs ready to be attached to integrating sphere | ||
+ | * Working on removing as many voltage regulators on dividers as feasible, George from detector support group will retest | ||
+ | * Installation and testing of PMT dividers in insert continues | ||
+ | * Chiller test had not started as far as I know by the time of the meeting on Friday | ||
+ | * Students working on detector poster for open house, Laveen made first draft of JEF physics poster | ||
+ | * Discussion of what to do with "calorimeter" arm of PS setup in hall | ||
+ | ** Would like to use to study small-scale prototypes for understanding FCAL2, but there are some EIC projects that want to use the arm as well | ||
+ | ** Hall-D projects should have priority | ||
+ | ** xy-translation stage? | ||
+ | * Discussion of inner TOF veto -- is it useful? | ||
+ | * Discussion of shower reconstruction algorithm -- need to understand "efficiency" for close shower separation |
Latest revision as of 08:26, 28 May 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, 18 ready (out of 36), discussion with the DSG group regarding help
- - HV distribution boards: has not yet been designed, need 4 boards
- - LV cables: missing about 20 cables, waiting for the last delivery batch.
- - LV distribution boards [1]. One board out of 4 is ready, using for testing dividers Media:lv_distribution.jpg
- - LED: prototype board is ready, have to start testing
- Ongoing projects - All
- Testing of PMT dividers -- Sasha / Vlad / George / Mindy
- - File:Regulators.xlsx Map of dividers with removed regulators
- - Testing procedure [2]
- - All dividers have been fabricated and tested by George [3]
- Continue removing regulators from the PCB (about 70 regulators have been removed, require re-testing dividers)
- Installation of the FCAL2 detector & integration to GlueX -- Sasha / Vlad / Hakob / Laveen
- Installation and testing cables and dividers [4] [5]
- Detector installation page
- Summer students -- Sasha
- - Olivia, Ben, and Shane are on site. Expect one student from Wuhan (have to start with the paperwork)
- - Projects: document all test results, assist with the cable/divider installation, install signal cables on patch panel, work on the ECAL monitoring plots
- 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 (?)
- Impact of veto on eta channels from Feb'24 collaboration meeting: File:P9.pdf
- prototype of the ECAL veto counter (?)
- FCAL2 posters for open house
- JEF/ECAL/FCAL poster (Laveen + students + feedback from all of us)
- JEF physics poster (Laveen)
- Analysis/Simulation
Minutes
Attendees: Sasha, Bill, Igal, Anapum, Liping, Zisis, Olga, Stjepan, Jon, Axel, Jane, S.T.
- Sasha working on getting help on long HV cables from detector support group
- HV distribution board design not started
- One LV distribution board prepared
- Prototype board for LEDs ready to be attached to integrating sphere
- Working on removing as many voltage regulators on dividers as feasible, George from detector support group will retest
- Installation and testing of PMT dividers in insert continues
- Chiller test had not started as far as I know by the time of the meeting on Friday
- Students working on detector poster for open house, Laveen made first draft of JEF physics poster
- Discussion of what to do with "calorimeter" arm of PS setup in hall
- Would like to use to study small-scale prototypes for understanding FCAL2, but there are some EIC projects that want to use the arm as well
- Hall-D projects should have priority
- xy-translation stage?
- Discussion of inner TOF veto -- is it useful?
- Discussion of shower reconstruction algorithm -- need to understand "efficiency" for close shower separation