ECAL Commissioning

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The detector was installed and initially tested using the LMS in the middle of September.

Complete LV cable/panel install 10/2 - 10/9/24

Repair LMS known issues 10/7 - 10/21

Connect final HV cables 11/8* (?) - 11/14 float

Test HV controls and final 11/15 - 11/21 test LMS (fan and cooling required)

Insulate the face of the detector 11/22 - 11/26

Install LMS reference PMTs 11/22 - 12/5 (RadCon posts)

Final test of all channels 11/27 - 12/15 (fan and cooling required)

Cosmics/LMS testing 12/1 - 1/24/25 (break in of the detector. Fan, cooling required. Test temperature stability)


Is not clear whether all LG channels will be fixed by the time we start cooling (11/15/24)


  • ) if the HV boards will arrive


Short-term tasks:

  • Fixing a few fibers for the LMS (two weeks)
Started working on this
Summarize the results of the divider's test using LMS after installation, prepare list of suspicious channels [1]( Iliya )
  • Prepare housing and holder for reference PMTs





  • DAQ configuration [2]
  • Tests using the LMS
List of ECAL LMS runs
  • Cosmic tests
List of ECAL cosmic runs
Gain calibration with cosmic rays


  • ECAL trigger
List of trigger runs
  • HV settings

It's me Zhukun, test