Owl Shift Summary

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User name Yoomin

Log entry time 08:00:53 on February 08, 2009

Entry number 259753

keyword=Owl Shift Summary

Owl Shift Summary (FEB 08, 2009) Workers : Yoomin Oh, Al Tobias 00:00 Starting with N2 ref. cell pressure curve runs. 01:00 N2 ref. cell pressure curve runs over, going to He3 ref. cell 02:30 All ref. cell pressure curve runs over. Moving to polarized He3, waiting it stablized, then will do raster test. 03:50 Starting production runs @ 14uA, 3x2 raster, P0L=0.6GeV 07:40 L-HRS momentum changes to 1.6 GeV

Production Run List
BB   LHRS  Time        #Event BB(LHRS)  Comment
1109 20115 03:46-04:21 2M(0.9M)
1110 20116 04:22-05:02 2M(0.9M)
1111 20117 05:03-05:40 2M(0.9M)
1112 20118 05:41-06:16 2M(0.9M)
1113 20119 06:16-06:57 2M(0.9M)
1114 20120 06:58-07:40 2M(0.9M)
1115 ----- 07:40-                       L-HRS Momentum change to 1.6 GeV
- T1 / T2 / T3 / T4 / T6 = 30k / 1.4k / 470 / 30 / 3.3k
- PS1/ 2  / 3  / 4  / 6  = 1550/ 1    /   1 /  1 / 165
- DT BB:24%, L:9%
Beam trips during production : 30 minutes estimated.