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    User name B. Hahn

    Log entry time 08:09:53 on April24,2008

    Entry number 234039

    keyword=Owl Shift Summary

    Owl Shift Summary
    SL: Brian Hahn
    TO: Bob Michaels

    00:00 Came in with beam down for target change to LH2 without Coll
    Changing LHRS momentum to 1.134 GeV/c
    00:06 Target moved and requesting Beam

    Moving to Kinematics J (part II)
    Big Bite at 43.5 degrees, Current 388.1A
    LHRS: 16.5 degrees, Momentum 1.134 GeV/c
    RHRS: 105.0 degrees Momentum 0.4596 GeV/c

    00:11 Run 20743 LH2 5uA Right Arm
    00:11 Run 3673 Elastic Hydrogen 5uA No raster Checking Rates 500K events
    00:17 Run 3674 Elastic LH2 500K events

    00:23 Changing to Kinematics J (part III)
    Changing LHRS momentum to 986 MeV/c
    Changed to LHRS to Probe B

    00:30 Run 3675 LH2 Production 1M
    00:42 Run 3676 LH2 Production 1M
    00:54 Run 3677 LH2 Production 1M
    00:55 Run 20744 LH2 Right Arm
    01:04 Run 3678 LH2 Production 1M
    01:16 Run 3679 LH2 Production 1M
    01:29 Run 3680 LH2 Production 1M
    01:40 Run 3681 LH2 Production 1M
    01:53 Run 3682 LH2 Production 1M
    02:04 Run 3683 LH2 Procuction 317K

    02:06 Getting about 10 T4 events per run. Decreasing ps4 by a factor of 10

    02:06 Run 3684 LH2 Production 1M
    02:18 Run 3685 LH2 Production 1M
    02:31 Run 3686 LH2 Production 1M
    02:43 Run 3687 LH2 Production 1M
    02:55 Run 3688 LH2 Production 1M
    03:05 Run 3689 LH2 Production 1M
    03:20 Run 3690 LH2 Production 1M
    03:32 Run 3691 LH2 Production 1M
    03:44 Run 3692 LH2 Production 1M
    03:57 Run 3693 LH2 Production 1M
    04:07 Run 3694 LH2 Production 1M
    04:19 Run 3695 LH2 Production 1M
    04:30 Run 3696 LH2 Production 1M
    04:41 Run 3697 LH2 Production 1M
    04:54 Run 3698 LH2 Production 1M
    05:06 Run 3699 LH2 Production 1M

    05:22 Changing ps6=1 and lowering beam current to 4.4 uA

    05:23 Run 3700 LH2 Production 1M
    05:34 Run 3701 LH2 Production 1M
    05:42 Run 3702 LH2 Production 1M
    05:58 Run 3703 LH2 Production 1M
    06:10 Run 3704 LH2 Production 1M
    06:21 Run 3705 LH2 Production 1M
    06:33 Run 3706 LH2 Production 1M
    06:44 Run 3707 LH2 Production 1M
    06:54 Run 3708 LH2 Production 1M
    07:11 Run 3709 LH2 Production 1M
    07:23 Run 3710 LH2 Production 1M
    07:34 Run 3711 LH2 Production 1M
    07:46 Run 3712 LH2 Production 1M
    07:56 Run 3713 LH2 Production 1M

    Run 3713 was practically finished when control handed over. Very very few problems. Good shift.


    Run Summary:
    Big Bite:
    Run 3672 Carbon
    00:11 Run 3673 Elastic Hydrogen 5uA No raster Checking Rates 500K events
    00:17 Run 3674 Elastic LH2 500K events
    00:30 Run 3675 LH2 Production 1M
    00:42 Run 3676 LH2 Production 1M
    00:54 Run 3677 LH2 Production 1M
    01:04 Run 3678 LH2 Production 1M
    01:16 Run 3679 LH2 Production 1M
    01:29 Run 3680 LH2 Production 1M
    01:40 Run 3681 LH2 Production 1M
    01:53 Run 3682 LH2 Production 1M
    02:04 Run 3683 LH2 Procuction 317K
    02:06 Run 3684 LH2 Production 1M
    02:18 Run 3685 LH2 Production 1M
    02:31 Run 3686 LH2 Production 1M
    02:43 Run 3687 LH2 Production 1M
    02:55 Run 3688 LH2 Production 1M
    03:05 Run 3689 LH2 Production 1M
    03:20 Run 3690 LH2 Production 1M
    03:32 Run 3691 LH2 Production 1M
    03:44 Run 3692 LH2 Production 1M
    03:57 Run 3693 LH2 Production 1M
    04:07 Run 3694 LH2 Production 1M
    04:19 Run 3695 LH2 Production 1M
    04:30 Run 3696 LH2 Production 1M
    04:41 Run 3697 LH2 Production 1M
    04:54 Run 3698 LH2 Production 1M
    05:06 Run 3699 LH2 Production 1M
    05:23 Run 3700 LH2 Production 1M
    05:34 Run 3701 LH2 Production 1M
    05:42 Run 3702 LH2 Production 1M
    05:58 Run 3703 LH2 Production 1M
    06:10 Run 3704 LH2 Production 1M
    06:21 Run 3705 LH2 Production 1M
    06:33 Run 3706 LH2 Production 1M
    06:44 Run 3707 LH2 Production 1M
    06:54 Run 3708 LH2 Production 1M
    07:11 Run 3709 LH2 Production 1M
    07:23 Run 3710 LH2 Production 1M
    07:34 Run 3711 LH2 Production 1M
    07:46 Run 3712 LH2 Production 1M
    07:56 Run 3713 LH2 Production 1M


    Right Arm:
    00:11 Run 20743 LH2 5uA
    00:55 Run 20744 LH2