Difference between revisions of "JEF meeting, January 27, 2023"

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(Created page with "Meeting time and location: *9:30 am EST (JLab time) remote only *Zoom meeting ID: [https://jlab-org.zoomgov.com/j/1610509142?pwd=STNZUmNoMElqbHRVdjlVb0ZzR1piZz09 161 050 9142]...")
 
 
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*'''Preparation of parts for FCAL2 modules''' -- Sasha  
 
*'''Preparation of parts for FCAL2 modules''' -- Sasha  
 +
** Received all 150 CRYTUR crystals from physics division (22-C0275) [https://halldweb.jlab.org/wiki/index.php/CRYTUR ]
 +
*** Expect to receive 95 more CRYTUR crystals in May (835 + 95 = 930 in total)
 +
**[https://halldweb.jlab.org/detectors/fcal2/module_fabrication/wrapped/wrapped_crytur.pdf Wrapped CRYTUR crystals: 835 (ALL available CRYTUR) ]
 +
*** Available for wrapping: 52 SICCAS crystals from CCAL [https://halldweb.jlab.org/wiki/index.php/All_modules_(with_SICCAS_crystals)_are_removed] [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/wrapped/ccal_crystals.pdf]
 +
*** George (DSG group) started disassembling CCAL modules and removing LMS caps.
 +
*** Mindy (DSG group) continues wrapping crystals and soldering wires to sockets
 +
**  Disassembling CCAL
 +
*** CCAL moved to the ESB
 +
*** [[All modules (with SICCAS crystals) are removed]]
 +
** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/part_preparation.pdf List of available parts]
 +
*** Some PMT housing are missing ( > 60, trying to find with Tim)
 
* '''Module fabrication'''  -- Sasha
 
* '''Module fabrication'''  -- Sasha
−
* '''Testing of PMT dividers''' -- Sasha / Arshak
+
<!-- ** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/fcal_fabrication.pdf  Status of fabrication ] -->
 +
** Fabricated modules: <span style="color:#FF0000"> Total 1413 </span> (3 modules fabricated since last week)
 +
*** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/module_fabrication.pdf All SICCAS 576 + 3 SICCAS]
 +
*** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/module_fabrication_crytur.pdf 834 CRYTUR], available: 1
 +
*** [https://halldweb.jlab.org/detectors/fcal2/module_fabrication/status/11_11_22 Moving modules to the new lab (EEL108)]
 +
* '''[[Testing of PMT dividers]]''' -- Sasha / Arshak
 +
** Most parts for dividers have been received
 +
** 25 dividers for the prototype are ready (have to be tested), expect to receive the LV patch panel prototype
 +
during next week. The CCAL prototype should be ready by the end of next week (?)
 
* '''Installation of the FCAL2 detector''' -- Sasha / Arshak
 
* '''Installation of the FCAL2 detector''' -- Sasha / Arshak
 +
** [https://halldweb.jlab.org/wiki/index.php/FCAL_Installation Detector installation page]
 +
** Updates from the meetings with Tim's group
 +
** Manpower and division of tasks
 +
** [https://halldweb.jlab.org/wiki/index.php/List_of_tasks_and_manpower Projects for summer students]
 +
** Meeting with the detector imaging group
 
* '''Light Monitoring System''' -- Arshak
 
* '''Light Monitoring System''' -- Arshak
 
* '''Simulations/Analysis'''
 
* '''Simulations/Analysis'''
 +
 +
=Minutes=
 +
Attendees: Bill, Igal, Phil, Arshak, Axel, Sasha, Olga, S.T.
 +
* Unwrapping of COMCAL modules continues -- now 52 have been disassembled
 +
** Visual inspection indicates no obvious indication of radiation damage
 +
** Mindy from detector support group has re-wrapped 10
 +
* ~60 PMT housings are missing -- Tim+Sasha are trying to track them down
 +
* 1413 modules have been fabricated
 +
* PMT dividers
 +
** All parts have been ordered, most parts have arrived
 +
** Order for divider fabrication imminent
 +
** 25 are ready for testing with 5x5 module prototype (in COMCAL, using FCAL-2 modules)
 +
* Prototype for low-voltage patch panel due next week
 +
** Check cross-talk, induced oscillations, ...
 +
* COMCAL setup has been modified to include the 5x5 FCAL-2 prototype + two 3x3 arrays (one using SiPMs for readout)
 +
* At least six summer students have been identified, with more likely
 +
* Arshak received 500 micron diameter fibers for testing light uniformity for alternate LMS (instead of using plexiglas)
 +
* Olga will make some more cookies

Latest revision as of 14:38, 27 January 2023

Meeting time and location:

  • 9:30 am EST (JLab time) remote only
  • Zoom meeting ID: 161 050 9142 Passcode: 004965

Agenda

during next week. The CCAL prototype should be ready by the end of next week (?)

  • Installation of the FCAL2 detector -- Sasha / Arshak
  • Light Monitoring System -- Arshak
  • Simulations/Analysis

Minutes

Attendees: Bill, Igal, Phil, Arshak, Axel, Sasha, Olga, S.T.

  • Unwrapping of COMCAL modules continues -- now 52 have been disassembled
    • Visual inspection indicates no obvious indication of radiation damage
    • Mindy from detector support group has re-wrapped 10
  • ~60 PMT housings are missing -- Tim+Sasha are trying to track them down
  • 1413 modules have been fabricated
  • PMT dividers
    • All parts have been ordered, most parts have arrived
    • Order for divider fabrication imminent
    • 25 are ready for testing with 5x5 module prototype (in COMCAL, using FCAL-2 modules)
  • Prototype for low-voltage patch panel due next week
    • Check cross-talk, induced oscillations, ...
  • COMCAL setup has been modified to include the 5x5 FCAL-2 prototype + two 3x3 arrays (one using SiPMs for readout)
  • At least six summer students have been identified, with more likely
  • Arshak received 500 micron diameter fibers for testing light uniformity for alternate LMS (instead of using plexiglas)
  • Olga will make some more cookies
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