Difference between revisions of "JEF meeting, July 19, 2024"
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=Agenda= | =Agenda= | ||
*'''Preparation of parts for ECAL''' -- Sasha | *'''Preparation of parts for ECAL''' -- Sasha | ||
| + | ** - HV long cable, 25 ready (out of 36), discussion with the DSG group regarding help (Sammy and Mindy) | ||
| + | ** - HV distribution boards: has not yet been designed, need 4 boards (meeting with Scot/Tim regarding installation during next week) | ||
| + | ** - 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] --> | ||
| + | * '''[[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] | ||
| + | ** - 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) | ||
* '''Installation of the FCAL2 detector & integration to GlueX''' -- Sasha / Vlad / Hakob / Laveen | * '''Installation of the FCAL2 detector & integration to GlueX''' -- Sasha / Vlad / Hakob / Laveen | ||
| + | ** Report from students [https://halldweb.jlab.org/detectors/fcal2/installation/meetings/06_28_2024/student_report_06_28_2024.pptx] | ||
| + | ** Installation and testing cables and dividers [https://logbooks.jlab.org/entry/4310168][https://logbooks.jlab.org/entry/4312779] | ||
| + | ** Installation of long signal cables [https://logbooks.jlab.org/entry/4312667] | ||
| + | ** Installing LV patch panels and cables [https://logbooks.jlab.org/entry/4312759] | ||
| + | ** Installation of optical fibers [https://logbooks.jlab.org/entry/4311499] | ||
| + | ** [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] | ||
* '''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 | ||
* '''Beam tests with the PS''' | * '''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''' | * '''Other hardware projects''' | ||
| + | ** prototype of the ECAL veto counter (?) | ||
| + | *'''FCAL2 posters for open house'''** [[File:1-OH24-Poster-H-Laveen-revised4.pdf]] | ||
| + | *''' Abstracts for the DNP meeting''' and proceedings of the CALOR24 conference [https://halldweb.jlab.org/detectors/fcal2/installation/meetings/07_05_2024/Abstract-DNP-2024-4.pdf][https://halldweb.jlab.org/detectors/fcal2/installation/meetings/07_05_2024/poster_abstract.docx] [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=6407] | ||
*'''Analysis/Simulation''' | *'''Analysis/Simulation''' | ||
| + | ** Island update [[File:island_jul18.pdf]] | ||
| + | |||
| + | =Minutes= | ||
| + | Attendees: Bill, Laveen, Sasha, Axel, Vlad, Zisis, S.T. | ||
| + | * Paperwork for Wuhan student in progress, expect student to come late September | ||
| + | * New tech working on ECAL project (hv cables) | ||
| + | * Progress on hv distribution board: final layout | ||
| + | * LED driver board prepared, to be attached on integrating sphere for LMS | ||
| + | * UMass student working on spreadsheet containing divider test results, started by Olivia | ||
| + | * All long signal cables attached to patch panels | ||
| + | * PMT divider installation for upper half starting, plan to test one layer at a time | ||
| + | * 2 abstracts planned for IEEE conference (SiPM prototype, radiation hardness of active PMT base) | ||
| + | * Simon showed latest 2 photon separation studies with MC | ||
| + | ** Removed all material except for BCAL+FCAL | ||
| + | ** Efficiency for reconstruction 2 photons with large separation in insert ~100%, but still only ~90% in lead glass | ||
| + | *** Some 3 cluster events in lead glass region have 3 distinct cluster as opposed to false splitoffs due to cluster algorithm, but cannot account for full 10% drop for large separations. | ||
Latest revision as of 13:45, 22 July 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, 25 ready (out of 36), discussion with the DSG group regarding help (Sammy and Mindy)
- - HV distribution boards: has not yet been designed, need 4 boards (meeting with Scot/Tim regarding installation during next week)
- - 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 [1]
- - All dividers have been fabricated and tested by George [2]
- 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
- Report from students [3]
- Installation and testing cables and dividers [4][5]
- Installation of long signal cables [6]
- Installing LV patch panels and cables [7]
- Installation of optical fibers [8]
- Detector installation page
- Safety briefings
- 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 (?)
- FCAL2 posters for open house** File:1-OH24-Poster-H-Laveen-revised4.pdf
- Abstracts for the DNP meeting and proceedings of the CALOR24 conference [9][10] [11]
- Analysis/Simulation
- Island update File:Island jul18.pdf
Minutes
Attendees: Bill, Laveen, Sasha, Axel, Vlad, Zisis, S.T.
- Paperwork for Wuhan student in progress, expect student to come late September
- New tech working on ECAL project (hv cables)
- Progress on hv distribution board: final layout
- LED driver board prepared, to be attached on integrating sphere for LMS
- UMass student working on spreadsheet containing divider test results, started by Olivia
- All long signal cables attached to patch panels
- PMT divider installation for upper half starting, plan to test one layer at a time
- 2 abstracts planned for IEEE conference (SiPM prototype, radiation hardness of active PMT base)
- Simon showed latest 2 photon separation studies with MC
- Removed all material except for BCAL+FCAL
- Efficiency for reconstruction 2 photons with large separation in insert ~100%, but still only ~90% in lead glass
- Some 3 cluster events in lead glass region have 3 distinct cluster as opposed to false splitoffs due to cluster algorithm, but cannot account for full 10% drop for large separations.
