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    User name R. Michaels

    Log entry time 05:10:12 on January11,2003

    Entry number 91389

    keyword=RWP scan

    RWP scan driven by Hall C
    =====================

    HAPPEX......Spectrom......Insertable.....RWP Setting............BCM1 Asy
    Run num.......Run num......waveplate....setpoint.....angle.......(rough online)
    .......................L... / ...R

    1203..............none.................IN................6325.......126.5.........410 +/- 55
    1204...........20258 / 1258.......IN................6325.......126.5.........587 +/- 42

    Beam lost for awhile. (~15 min).
    1205..............none.......No beam. This is a pedestal run. Cables bcm1,2 unplugged
    1206..............none.......No beam. check again with bcm1,2 plugged in.

    1207............20259 / 1259.......IN................6075........................1330 +/- 25
    1208............20260 / 1260.......IN................6575........................-457 +/- 35

    G0 isn't happy. No null. They try RWP = 5325 but we didn't do a run (they were
    too quick). Now try RWP = 7000.

    1209............20261 / 1261.......IN................7000........................-1500 +/- ??
    ...................................................................................................very wide width

    1210............20262 / 1262.......IN.................6750.......135.......... -970 +/- 27

    Now we take out the insertable waveplate

    1211............20263 / 1263......OUT.............6325....................... -122 +/- 19
    1212............20264 / 1264......OUT.............6575....................... 930 +/- 29
    1213............20265 / 1265......OUT.............6441....................... 378 +/- 17