• Main INDEX
  • Monthly INDEX
  • PREV
  • NEXT

    User name ddutta

    Log entry time 07:59:35 on September14,2001

    Entry number 74518

    keyword=Shift Summary

    Comments
    ==============
    00:00-4:10 Taking data (270,IN)
    04:10 MCC calls to report tripped HV
    will take them 15 mins to get beam back.
    04:15 MCC says the tripped HV is arcing , they
    need to call in experts, which means
    no beam for at least an hour.
    05:20 MCC reports that the
    arcing power supply seems to have damaged the
    RF generator, they need another hour or two
    to repair.
    5:25 Target field rotated to zero degrees
    and longitudinal lasers turned on.
    Target position changed to BeO.
    6:40 Beam back, checking spot on BeO
    and raster.
    6:42 Move field back to 270
    and target position to He3
    6:50 -8:00 Taking data again (270,IN)

    Run Summary
    ===========
    time run # Good electrons L/R/Total
    23:37-00:33 3467/31467 144K/144K/8.49M
    00:36-01:31 3468/31468 160K/162K/8.81M
    01:34-02:30 3469/31469 154K/155K/9.11M
    02:32-03:30 3470/31470 140K/144K/9.39M
    03:31-04:12 3471/31471 87K/ 87K/9.57M
    06:53-07:48 3475/31475