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    User name A. Deur

    Log entry time 00:21:45 on August20,2001

    Entry number 71418

    keyword=Shift summary

    Continue data taking beam 1/2 wave plate in/target 1/2 wave plate out
    2936/21936 189K/177K. Grand total=4.548 M
    2937/21937 190K/176K. Grand total=4.914 M
    2938/21938 166K/167K. Grand total=5.247 M Note: Beam down for about 5 mim. Coda failed to end the run 2938.
    2939/21939 178K/166K. Grand total=5.591 M
    2940/21940 212K/199K. Grand total=6.002 M
    7:10: Stop the beam to perform NMR/EPR. NMR: 41.1% EPR:41.2%
    7:40. Done with target polarimetry. We ask MCC to center the beam on bpm 1H01 and turn the raster off for an eP energy mesurement. Target is in empty psoition and beam current is 5 uA.
    7:44 Start eP energy measurement.
    8:01 Beam down (south linac problem).
    8:24 Beam is back. Resume eP energy measurement.
    9:20 eP measurement finished. Start doing NMR/EPR.
    9:43 NMR/EPR polarimetry done. Beam was restored and tuned properly but there is a coda problem so we asked for the beam to be shut down.
    23:00 Bob Michaels came and fixed the problem. We are back to data taking
    2951/21951 191K/178K. Grand total= 6.371M

    One pending problem during the shift is that we could not get the start run/end run windows for right arm. So we have to rely on the left arm information.
    11:43 MCC called: Beam down because of a RF problem with the cavity.