General Meeting Summary 11/9/16

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DETECTOR UPDATES

  • Pixel detectors (Rachel)
  • cylinders have arrived at CERN - currently working on integration in CMS Point 5 area
  • challenging aspect: getting cylinders with modules installed to the clean room - special trucking procedure, cylinders have to be hand-carried
  • CO2 will be available on 14 Nov
  • Shipments of instrumentation from Nebraska to CUA are being prepared - discuss offline about details of the shipments for most efficient way to receive and store


  • NPS APD-based readout (Andres)
  • Setup for electronics testing ongoing - trying to get motherboard to identify pin labeling for, e.g. HV
  • In parallel will start constructing shielding for the entire setup - next time: drawings of the configuration
  • Check when need to return pre-amplifiers to Giessen U. (TH)


  • Crystal measurements (Richard, Salina, Marco)
  • Fixed Linux kernel crash on DAQ computer
  • Updated crystal light yield (LY) measurement procedure
  • Selected SICCAS J19 for initial LY measurement - temperature currently stabilizing
  • Next: measure Crytur crystal to investigate observed discrepancies in light yield over last nine months


  • Aerogel detector (Arthur)
  • SP-11 tray has 7 layers installed now - need to investigate what needs to be done to install the 8th layer. Currently have ~1cm space left and tiles thickness is 1.1-1.2 cm
  • Next steps:
  • finish aerogel tile installation and install wires (target date: before Thanksgiving break)
  • install SP-11 tray in Hall C SHMS detector stack (December)
  • SP-11 cosmic tests


  • NPS single crystal counter (Arthur)
  • Prototype ready. Currently used mu metal is thicker than what was used previously - need confirmation of thickness of mu metal required to shield out 5-10 Gauss fields.
  • Next: signals from prototype


UPDATE FROM DIPLEPTON WORKSHOP IN TRENTO (Vardan)

  • Workshop geared towards GPD and TMD studies, ~30 attendants (mostly theorists)
  • topics: J/Psi, pentaquark, TCS, DDVCS, DVCS
  • TCS session and global view (Vardan, Pawel)
  • theorists very interested in TCS - out of all dilepton processes seems the only one on solid ground
  • experimentalists more skeptical about balance between impact of physics case and required experimental effort
  • Marie expects to work on TCS kinematic generator in next few months
  • Next steps towards a proposal: best seems to separate TCS from other processes - perhaps write a separate White paper on this subject - we will discuss more about this next time


OTHER

  • Lab electrical safety training
  • Data acquisition system training
  • APS April meeting - registration and apply for support from JSA and GSA (Salina forwarded the information)


NEXT MEETING: THUR 16 NOVEMBER at 10:00 AM (EST)

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