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    User name Wouter Deconinck

    Log entry time 08:00:30 on December14,2008

    Entry number 253347

    keyword=Owl shift summary

    Shift crew:

    S.L.: Wouter Deconinck
    T.O.: Wouter Deconinck
    3rd: Salvatore Frullani


    Spectrometer:

    LHRS momentum = 2.35 GeV/c
    LHRS angle = 16 deg
    BigBite sieve = OUT
    Target collimator = IN
    lambda/2 plate = IN
    Field direction = vert
    Target = 3He pol


    --00:00 Shift starts, run 4469 in progress
    RICH HV ch 16 trips at 2200 V: Youcai is trying to find
    the maximum HV at which it performs stably ( >~ 1800 V)


    RUN START STOP COULOMB
    4469 23:50 00:52 0.04111
    4470 00:54 00:55 0.001003
    4471 00:57 02:00 0.041
    4472 02:05 03:16 0.04009
    4473 03:17 04:22 0.04033
    4474 04:25 05:35 0.04013
    4475 05:35 05:35 junk
    4476 05:41 06:51 not in end of run record
    4477 06:52 ...

    --08:00 Shift ends, run 4478 in progress
    RICH HV ch 16 at 2000 V and stable since 06:15