PREX/CREX Monday, Nov 28, 2016 3:00pm EDT

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Logistic information

 BlueJeans calling instructions:
 Toll-Free Number (U.S.&  Canada):  888-240-2560
 International toll number:         408-740-7256
 PARTICIPANT CODE:                  345647893#
 JLab meeting room: "CC L207"


  1. FOM: Kent
    • KP: Seamus, Tyler, Kent: waiting on progress from SB. Cannot reproduce what Nickie had, have to restart.
    • TK: any difference in the acceptance was the reason for the discrepancy. Pre-radiation is the cause for the acceptance difference. What Tyler was doing seems correct.
    • KP: we should compare to what is in the proposal.
  2. Cavity BPMs: Caryn
    • CP: weird slow oscillation, not sure CG: will track Musson
  3. Pedestal runs: Tao
    • TY: haplog3344
    • KP: for the BPMs we need to just select the first few events after a trip (when we are at full current) because the rest are with the same gain (auto gaining kicks in after some number of windows). TY: will do
    • KK: slide 7: unity gain tube and this may be an inductive oscillation. Can we get the amplitude for beam trips at different rates. YT: will do.
    • KP: what A1 and A2 and the time constants fro the different SAMs relative to beam on signal? TY: will look into it.
    • KP: we need to look at BCM resolution after BPM pedestals.
  4. PREX target meeting: KP
    • KP: things are moving forward with acquisitions
    • JP: discussion about Ca? KP: not yet. JP: heard about target expert at Argonne, will try to contact him. KP: work at Manitoba is to figure out a bound on what is contained in a layer of oxidation.


Juliette M, Tao Y, Ciprian G, Sanghwa P, KK, Kent P, Guido, Caryn P, Tyler K, Dustin M,