Difference between revisions of "JEF meeting, February 2, 2024"
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*** Had to obtain trainings for operating scissor lift (operation without training violates safety rules) (revealed some issues with the lift when inspected by Joe Thomas) | *** Had to obtain trainings for operating scissor lift (operation without training violates safety rules) (revealed some issues with the lift when inspected by Joe Thomas) | ||
** Cable and divider installation [https://logbooks.jlab.org/entry/4245946] | ** Cable and divider installation [https://logbooks.jlab.org/entry/4245946] | ||
− | *** Bundled and installed signal, HV, and LV cables on the first layer [https://halldweb.jlab.org/detectors/fcal2/installation/meetings/02_02_2024/inst_div_02_02.jpg] | + | *** Bundled and installed signal, HV, and LV cables on the first layer [https://halldweb.jlab.org/detectors/fcal2/installation/meetings/02_02_2024/inst_div_02_02.jpg][https://halldweb.jlab.org/detectors/fcal2/installation/meetings/02_02_2024/cable_instal.jpg][https://halldweb.jlab.org/detectors/fcal2/installation/meetings/02_02_2024/cable_instal1.jpg] |
** Still no power on the ECAL platform (expect delay with the development of the trigger/DAQ) | ** Still no power on the ECAL platform (expect delay with the development of the trigger/DAQ) | ||
** [https://halldweb.jlab.org/wiki/index.php/FCAL_Installation Detector installation page] | ** [https://halldweb.jlab.org/wiki/index.php/FCAL_Installation Detector installation page] | ||
+ | * '''Simulations''' -- Simon / Stjepan | ||
+ | ** pi0gg channel simulations and analysis done with genEtaRegge and analyzed with FSRoot for the JEF FCAL2 geometry [https://halldweb.jlab.org/DocDB/0063/006339/001/JEF%20Simulations%20v2%20Complete.pdf] | ||
+ | |||
+ | =Minutes= | ||
+ | Attendees: Igal, Sasha, Zisis, Jon, Stjepan, Liping, Olga, Phil, Malte, Jane, S.T. | ||
+ | * LV cables are coming in (100 last week) | ||
+ | ** tested and bundled together | ||
+ | * LV distribution boards on hold while Chris S. works on PMT dividers (~100 fabricated last week) | ||
+ | ** Detector support group to take over testing dividers | ||
+ | * Installation of LMS for ECAL continues, now 187 optical fibers glued to ECAL face and bundled into groups of 40 for distribution to integrating sphere | ||
+ | ** Gluing rate ~25/hour | ||
+ | * Added Kapton tape on inner part of lead glass blocks near insert and started to attach dividers to PMTs | ||
+ | * Plan for how to lay cables in cable trays in place | ||
+ | * Igal advertised new ML project for e/pi separation, possible Lamar student? | ||
+ | * Stjepan presented studies of η→π0γγ using evtgen to generate background channels from η itself | ||
+ | ** Also looked at η→π+π-e+e- and η→π+π-π0γ | ||
+ | ** Used reaction filter + FSRoot |
Latest revision as of 09:44, 5 February 2024
Meeting time and location:
- 9:30 am EST (JLab time) remote only
- Connection information
Agenda
- Preparation of parts for ECAL -- Sasha
- - signal cables - done
- - signal patch panel [1] - done
- - HV cables: received 1280 in total
- - HV distribution boards: in preparation
- - LV cables: 150 cables received
- - LV distribution boards. Received 4 boards, performed initial cehck, need to solder connectors [2]
- - Optical fibers and parts for the trigger/DAQ have been ordered
- Ongoing projects -- Sasha, all
- - Testing and labeling cables, 100 short LV cables tested and labeled during this week.
- - Prepare modules for the TAC and prototypes (using crystals with some imperfections)
- - Preparation of the LMS
- - Need to glue Al flange to the optical fiber
- - Ready for installation [5]
- - Radiation tests of the PMT active base [6]
- Finished tests, working on the tech note
- - Inventory database and GUI for installed electronics
- - Summer Students (2023)
- Testing of PMT dividers -- Sasha / Vlad / Aoran
- Installation of the FCAL2 detector & integration to GlueX -- Sasha / Vlad / Hakob
- Detector installation [9][10][11]
- Installation of the LMS
- Cable and divider installation [14]
- Still no power on the ECAL platform (expect delay with the development of the trigger/DAQ)
- Detector installation page
- Simulations -- Simon / Stjepan
- pi0gg channel simulations and analysis done with genEtaRegge and analyzed with FSRoot for the JEF FCAL2 geometry [18]
Minutes
Attendees: Igal, Sasha, Zisis, Jon, Stjepan, Liping, Olga, Phil, Malte, Jane, S.T.
- LV cables are coming in (100 last week)
- tested and bundled together
- LV distribution boards on hold while Chris S. works on PMT dividers (~100 fabricated last week)
- Detector support group to take over testing dividers
- Installation of LMS for ECAL continues, now 187 optical fibers glued to ECAL face and bundled into groups of 40 for distribution to integrating sphere
- Gluing rate ~25/hour
- Added Kapton tape on inner part of lead glass blocks near insert and started to attach dividers to PMTs
- Plan for how to lay cables in cable trays in place
- Igal advertised new ML project for e/pi separation, possible Lamar student?
- Stjepan presented studies of η→π0γγ using evtgen to generate background channels from η itself
- Also looked at η→π+π-e+e- and η→π+π-π0γ
- Used reaction filter + FSRoot