Difference between revisions of "JEF meeting, February 9, 2024"

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*9:30 am EST (JLab time) remote only
 
*9:30 am EST (JLab time) remote only
 
* [https://halldweb.jlab.org/wiki-private/index.php/JEF_Weekly_Meeting#Connection_information Connection information]
 
* [https://halldweb.jlab.org/wiki-private/index.php/JEF_Weekly_Meeting#Connection_information Connection information]
−
 
  
 
=Agenda=
 
=Agenda=
  
 
*'''Preparation of parts for ECAL''' -- Sasha  
 
*'''Preparation of parts for ECAL''' -- Sasha  
 +
** - signal cables -  done
 +
** - signal patch panel [https://halldweb.jlab.org/detectors/fcal2/installation/meetings/10_13_2023/signal_patch_panel.jpg ] - done
 +
** - HV cables: received 165 cables 1445 in total
 +
** - HV distribution boards: in preparation
 +
** - LV cables: 100 cables received, 250 cables in total
 +
** - LV distribution boards. Received 4 boards, performed initial cehck, need to solder connectors [https://halldweb.jlab.org/detectors/fcal2/cables/lv_distribution/lv_dist_board.jpg ]
 +
** - Optical fibers and parts for the trigger/DAQ have been ordered
 
* '''Ongoing projects''' -- Sasha, all
 
* '''Ongoing projects''' -- Sasha, all
−
* '''Testing of PMT dividers''' -- Sasha / Vlad  
+
** - 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)
 +
***  26 modules for TAC [https://halldweb.jlab.org/detectors/fcal2/modules_for_prototype/tac_mod.jpg]  and 35 modules [https://halldweb.jlab.org/detectors/fcal2/modules_for_prototype/prot_mod.jpg] for the beam tests are ready
 +
** - Radiation tests of the PMT active base [https://halldweb.jlab.org/wiki/index.php/Active_Base_Radiation_Tests]
 +
*** Finished tests, working on the tech note
 +
** - [https://halldweb.jlab.org/detectors/AL/HallD_Racks Inventory database and GUI for installed electronics ]
 +
** - [https://halldweb.jlab.org/detectors/fcal2/installation/students_2023/list_of_students_2023.xlsx Summer Students (2023) ]
 +
* '''[[Testing of PMT dividers]]''' -- Sasha / Vlad / George
 +
** - Testing procedure [https://halldweb.jlab.org/detectors/fcal2/dividers/divider_test_guide.pptx]
 +
** - ePASS submitted and approved
 +
** - George from the DSG continued testing dividers
 +
** - Have tested 637 + 41 = 678 dividers (about 30 available for testing) [https://halldweb.jlab.org/wiki/index.php/Final_test_of_dividers].
 +
** - Spare PMTs, have about 20, likely need more for the future (order 30 more )?
 
* '''Installation of the FCAL2 detector & integration to GlueX''' -- Sasha / Vlad  
 
* '''Installation of the FCAL2 detector & integration to GlueX''' -- Sasha / Vlad  
−
* '''Analysis/Simulation'''
+
**  Detector installation [https://logbooks.jlab.org/book/halld][https://halldweb.jlab.org/detectors/fcal2/installation/photos/install_fcal/students_detector1.jpg][https://halldweb.jlab.org/detectors/fcal2/installation/photos/install_fcal/students_detector.jpg]
 +
** Installation of the LMS
 +
*** 127 fibers installed during this week (313 in total) [https://logbooks.jlab.org/entry/4249236]
 +
** Cable and divider installation [https://logbooks.jlab.org/entry/4249243]
 +
** 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]
 +
 
 +
=Minutes=
 +
Attendees: Bill, Zisis, Phil, Vlad, Sasha, Igal, Jon, Olga, Liping, Jane, S.T.
 +
* HV cables keep arriving:  165 last week (need to be tested and labeled), 1445 in total
 +
* Short LV cables keep arriving:  100 last week, 250 in total
 +
* LV distribution board on hold, Chris S. working on PMT dividers
 +
* George J. from detector support group to start work on testing dividers
 +
** Sasha/Vlad worked on new safety documentation
 +
** 41 new dividers tested, 678 in total
 +
* Sasha/Vlad/Stjepan worked on LMS fiber installation
 +
** 313 glued to ECAL face
 +
** Need to install tungsten absorber
 +
** Integrating sphere in position on optical bench
 +
* Cables/dividers for PMT readout up to 2nd row, cables organized into bundled and zip-tied to chains
 +
** Want to make enclosure light tight to shine light to check
 +
** Goal to make ready by early May
 +
* Still no power on ECAL platform
 +
* Liping, GWU students for summer
 +
* Stjepan working on MC background studies using bggen

Latest revision as of 09:51, 12 February 2024

Meeting time and location:

Agenda

  • Preparation of parts for ECAL -- Sasha
    • - signal cables - done
    • - signal patch panel [1] - done
    • - HV cables: received 165 cables 1445 in total
    • - HV distribution boards: in preparation
    • - LV cables: 100 cables received, 250 cables in total
    • - 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 of PMT dividers -- Sasha / Vlad / George
    • - Testing procedure [6]
    • - ePASS submitted and approved
    • - George from the DSG continued testing dividers
    • - Have tested 637 + 41 = 678 dividers (about 30 available for testing) [7].
    • - Spare PMTs, have about 20, likely need more for the future (order 30 more )?
  • Installation of the FCAL2 detector & integration to GlueX -- Sasha / Vlad
    • Detector installation [8][9][10]
    • Installation of the LMS
      • 127 fibers installed during this week (313 in total) [11]
    • Cable and divider installation [12]
    • Still no power on the ECAL platform (expect delay with the development of the trigger/DAQ)
    • Detector installation page

Minutes

Attendees: Bill, Zisis, Phil, Vlad, Sasha, Igal, Jon, Olga, Liping, Jane, S.T.

  • HV cables keep arriving: 165 last week (need to be tested and labeled), 1445 in total
  • Short LV cables keep arriving: 100 last week, 250 in total
  • LV distribution board on hold, Chris S. working on PMT dividers
  • George J. from detector support group to start work on testing dividers
    • Sasha/Vlad worked on new safety documentation
    • 41 new dividers tested, 678 in total
  • Sasha/Vlad/Stjepan worked on LMS fiber installation
    • 313 glued to ECAL face
    • Need to install tungsten absorber
    • Integrating sphere in position on optical bench
  • Cables/dividers for PMT readout up to 2nd row, cables organized into bundled and zip-tied to chains
    • Want to make enclosure light tight to shine light to check
    • Goal to make ready by early May
  • Still no power on ECAL platform
  • Liping, GWU students for summer
  • Stjepan working on MC background studies using bggen
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