HallA Calorimeter

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Information regarding the BBCAL and HCAL of Hall A are updated here regularly. Click on the tabs below to get details of various components.

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Weekly Meeting

Topic: Hall A Calorimeter (HCAL+BBCAL) joint meeting

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2022 (Joint HCAL+BBCAL meeting)

HCAL Previous Reports/Updates and Layout

  1. July 13
  2. July 20 (No meeting)
  3. July 27
  4. August 3 (No meeting)
  5. August 10
  6. August 17
  7. August 24
    • BBCAL and HCAL Updates
  8. August 31
  9. September 7 No meeting
  10. September 14
  11. September 21
    • BBCAL and HCAL Updates


  • Triggers in scope (available in hall network):
Scope address: 129.57.192.249
BBCAL trigger before coincidence --> Ch1
HCAL trigger before coincidence --> Ch2
Coincidence of BBCAL and HCAL --> Ch3
L1A trigger --> Ch4
  • Trigger Timing to TDC 1190 (changed for GEn experiment)
BBtrig[0] 1190 chan 122 HCAL
BBtrig[1] 1190 chan 123 Coincidence (previously BBCAL low)
BBtrig[2] 1190 chan 124 BBCAL HI (previously BBCAL low vetoed by BBCAL Hi)
BBtrig[3] 1190 chan 125 EDTM pulser signal
BBtrig[4] 1190 chan 126 RF time
BBtrig[5] 1190 chan 127 BBCAL HI Fast (main BBCAL trigger)


Calorimeter logs




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