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    User name M.Shabestari

    Log entry time 08:12:37 on April21,2008

    Entry number 233528

    keyword=Owl Shift Summary

    Owl shift summary April 21, 2008

    SL : Mitra Shabestari
    TO : Mitra Shabestari
    3rd : Khem Chirapatpimol


    Summary
    ========

    pi0 Production : Kinematics H Part(III)

    BigBite = 48 degrees, BigBite current = 388.1 A
    LHRS = 20.5 degrees, LHRS momentum = 0.9600 GeV/c
    RHRS = 105.0 degrees, RHRS momentum = 0.4596 GeV/c



    00:00 Shift started with production at 4.7 uA on Loop1 6cm LH2
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


    00:03 Run# 20711 started on the Right HRS

    00:08 Run# 3544 Production on LH2 ; events = 1 M

    00:32 Run# 3545 Production on LH2 ; events = 886 K (Stopped the run; HV tripped)

    00:56 HV on S1, S2, S3, S5, S6, S14 tripped after beam tripped.

    01:06 Run# 3546 Production on LH2 ; events = 1 M

    01:29 Run# 3547 Production on LH2 ; events = 1 M

    01:55 Run# 3548 Production on LH2 ; events = 1 M

    01:55 Run# 20712 started on the Right HRS

    02:18 Run# 3549 Production on LH2 ; events = 1 M

    02:44 Run# 3550 Production on LH2 ; events = 1 M

    03:11 Run# 3551 Production on LH2 ; events = 1 M

    03:36 Run# 3552 Production on LH2 ; events = 1 M

    04:01 Run# 3553 Production on LH2 ; events = 1 M

    04:03 Run# 20713 started on the Right HRS

    04:28 Run# 3554 Production on LH2 ; events = 1 M

    04:51 Run# 3555 Production on LH2 ; events = 1 M

    05:15 Run# 3556 Production on LH2 ; events = 1 M

    05:39 Run# 3557 Production on LH2 ; events = 1 M

    06:06 Run# 20714 started on the Right HRS

    06:07 Run# 3558 Production on LH2 ; events = 1 M

    06:30 Run# 3559 Production on LH2 ; events = 1 M

    06:53 Run# 3560 Production on LH2 ; events = 1 M

    07:18 Run# 3561 Production on LH2 ; events = 1 M

    07:40 Run# 3562 Production on LH2 ; events = 1 M

    08:01 Run# 20715 started on the Right HRS

    08:03 Run# 3563 Production on LH2 ; events = 1 M



    Very smooth and productive shift.

    For the current kinematics ( H ) at the end of the owl shift: Total Charge = 0.257 C