• Main INDEX
  • Monthly INDEX
  • PREV
  • NEXT

    User name Hong Xiang

    Log entry time 08:13:53 on January14,2001

    Entry number 54697

    keyword=Shift summary



    Start owl shift: Hong, Frank, Kevin

    Continue the

    00:03 Run 1327 LH2 radoiator in, 5.6 uA, 1.0M events
    00:22 Run 1328 LH2Radiator in, 5.6uA, 1.0M events
    00:55 Run 1329 LH2 Radiator out, 5.6uA, 1.0M events
    01:10 Xiaodong/Frank adjust HV for PRL1 anfd shower
    01:30 Run 1330, LH2 Radiator out, 5.6uA, 1.0M events

    Change to kinematics single kin#2

    03:02 Run 1331, LH2 Radiator out, 5.5 uA, 600k events
    03:29 Run 1332, LH2 Radiator out, 5.6 uA, ROC2 didn't report
    Kill the coda, restarted a new run:

    03:45 Run 1334, LH2 Radiator out, 5.5 uA, 1.0M events
    04:07 Run 1335, LH2 Radiator in, 5.6 uA, 1.0M events
    04:21 Run 1336, LH2 Radiator in, 5.5 uA, 1.0M events

    04:42 Run 1337, LD2 Radiator in, 6.0 uA, 1.0M events
    04:57 Run 1338, LD2 Radiator in, 6.0 uA, 1.0M events

    05:10 MCC called, RF cavity problem
    05:25 Run 1339, LD2 Radiator out, 6.2 uA, 1.0M events

    5:35 Problems reported by MCC, need 10-15 min to fix
    05:46 MCC starts to restore beam

    05:53 Run 1340, LD2 Radiator out,6.2uA,1.0M events
    06:07 Run 1341, LD2 radiator out, 6.1uA, 0.4M events

    MCC informed of the RF fault again. Beam comes back at 06:55

    06:55 Run 1342, LD2 Radiator out, 6.1uA, 0.4M events

    07:17 Run 1343, LD2 Radiator out, 5.9 uA, 1.0M events
    07:39 Run 1344, LD2 Radiator in, 6.1uA, 1.0 M events

    Summary: - 6hours of good beam; RF faults several times.
    - Finished Kin#1, Kin#2 and half of Kin#3(singles).

    Schift crew: Hong, Frank, Kevin