PREX/CREX Dec 11, 2018 10:00am

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Logistic information

 BlueJeans calling instructions:
 Toll-Free Number (U.S.&  Canada):  888-240-2560
 International toll number:         408-740-7256
 Bluejeans CODE:                  555 144 462
 Bluejeans link: https://bluejeans.com/555144462
 Offline room:   CEBAF Center F324-325

Agenda

  1. DM: will probably update on test beam results
    • DM: thin quartz tests will be more difficult because we have 11 ft of air in front
    • DM: Wed we are going to 3 GeV (mistake in slide)
    • DM: the GEMs seem to work really well. We are limited with our current crate setup. We can only work with 2 GEMs.
    • DM: this beam provides up to 3 electrons at a time. For single electron events everything seems to look fine.
    • DM: ultimately we will want to compare our simulations with the data we are collecting.
    • DM: we find about 20% difference from the simulation, which is fairly good.
    • CC: we made an elog on the SB server (link ) if you want to look at data and updates from the test.
  2. Ciprian: Ion chamber positions slides
    • CG: work for this should be fairly straightforward. Interested parties have been identified and will be kept in the loop (Doug and Keith)
  3. Eric: Moller simulations slides
    • EK: fields are implemented and cross checked to produce reasonable results.
    • EK: using the TOSCA dipole magnet map seems to be very important.
    • EK: Sasha is redoing the TOSCA maps after discussions with Jay related to meshing
    • SP: for the G4/G3 comparison, there are points that have a large difference. What is the status on that? EK: waiting to get some output from G3 for comparisons.
  4. Bob: DAQ
    • BM: we have two working configurations: PREX (all crates), injector
    • BM: even with Banks the pan decoding should still work just fine and needs to be checked.
    • BM: 24: injector, 23: CH, 25, 26 are left/right HRS
    • CP: will take a run with the injector setup and will check that the decoding is ok.
  5. Caryn: Injector setup and feedback docdb283
    • CP: new EDM screens for the RTP voltage system is ready. Amali will do some work on this in Jan
    • CP: plan for spring is to run without feedback on Aq.
    • CG: we’ll figure out how to test pan-feedback before Jan 18th
    • System description
    • Installation and Test Plan and Schedule
  6. Schedule for next week: Ciprian Weekly Meeting Discussion Topics
    • Seamus: Tracking and optics
    • Seamus: GEMs
    • Dustin: Integrating detectors
    • Paul: analyzer
    • Adam: Compton

Present

Victoria O, Sanghwa P, Adam Z, Ciprian G, Dave G, Devi A, Dustin M, Eric K, Jinlong Z, Jay B, Paul K, Paul S, Caryn P, Bob M, Ryan R, Sakib R, Silviu D, Chandan G, KK, Siyu Jian, Guido U,

Excused

Seamus R, Kent P,