GEM Meeting/20181116

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  • Chandan : SBU GEM update slides


  1. Chandan: Modified the MPDs and upgraded the firmware. The MPD library and Read-Out-List are modified to make debugging easy.
  2. Chandan: New CAEN high voltage module (N1470) is tested with GEM detector. Digital patch panel is tested with SBU GEMs.
  3. Chandan: To measure the efficiency of the GEM detectors large plastic scintillators are used in the cosmic stand.
  4. Joey: Presented cosmic data, but source (Cs-137) data is having large occupancy.
    • Seamus: Need to process the trigger signal with a pre-amplifier.
    • Chandan: Source data is not very useful, try to acquire more cosmic data.
  5. Chandan: We should start working on the ROL for counting DAQ.
    • Cameron: There will be help for JLab staff.
  6. Seamus: We should fit the six samples with a characteristic function to extract information from data.
  7. Siyu: We have to decide the length of HDMI cables for SBS GEMs. Who will buy them?
  8. Seamus: Probably PREX/CREX collaboration will buy this.


Seamus, Devi, Joey, Cameron, Ryan, Tao, Siyu, Chandan