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    User name V. Sulkosky

    Log entry time 08:02:09 on June 6,2008

    Entry number 241246

    keyword=Owl Shift Summary

    June 6, 2008
    SL: V. Sulkosky
    TO: B. Moffit
    3rd: X. Qian

    Owl Shift Summary
    ===============================================================================
    00:00 Begin shift at Kinematic 1, (dp = -2%) LHRS P0 = 0.6286 GeV/c, 57.5 degs.
    00:20 BB HV tripped. Reset by cycling power off and on.
    01:18 Move target to Al Dummy.
    01:41 Move to LH2 6 cm target.
    01:48 All BB preshower and shower HVs on.
    02:10 Turn off all BB shower HVs and turn on selected blocks. Begin K1 D0%.
    05:17 Loop 3 fan began to fluctuate was at 60 Hz now mean is 25 Hz +/- 10 Hz.
    07:25 Move target to Al dummy.
    07:49 Move target to Loop 3 LH2 6 cm.

    Run Summary
    ================================================================================

    
Start    Run       Events          Comments
    
================================================================================
    
23:41    1924       3.7M          Production run LH2 (dp = -2%) BB HV trip at end
    
00:22    1925       5.0M          Production run LH2 (dp = -2%)
    
01:02    1926       2.0M          Production run LH2 (dp = -2%)
    
01:23    1927       196k          Al Dummy (dp = -2%)
    

    
01:50    1928       2.4M          Test for shower blocks all HVs on.
    
02:11    1929       5.0M          Production run LH2 (dp = 0%)
    
02:55    1930       5.0M          Production run LH2 (dp = 0%)
    
03:34    1931       5.0M          Production run LH2 (dp = 0%)
    
04:13    1932       5.0M          Production run LH2 (dp = 0%)
    
04:50    1933       5.0M          Production run LH2 (dp = 0%)
    
05:28    1934       5.0M          Production run LH2 (dp = 0%) fan freq. fluctuating
    
06:10    1935       5.0M          Production run LH2 (dp = 0%) fan freq. fluctuating
    
06:48    1936       5.0M          Production run LH2 (dp = 0%) fan freq. fluctuating
    
07:30    1937       192k          Al Dummy (dp = 0%)
    
07:55    1938       ????          Continue into next shift fan freq. fluctuating