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User name Chao
Log entry time 08:03:44 on May 02, 2012
Entry number 381324
keyword=Owl shift summary
Shift workers:
Chao Gu(SL), Mikhail Yurov(TO), Jie Liu(3rd)
00:00 Shift starts with production for Gep. We already have 950M events
on this setting.
02:10 IHWP is flipped to OUT by Hall C.
03:30 Beam is down for 15 minutes due to some RF problem.
05:40 IHWP is flipped to IN by Hall C.
06:20 Bleed through test: 0.4%
07:00 Beam is off for beam study. We collected 221.4M during this shift
and 1170M in total for this energy setting of Gep.
07:00 Ramp down septa magnet. Mikhail start to ramp down the target
magnet. Meanwhile the Hall is in power permit.
08:00 Hall is in restricted access. Shift ends.
Run# Events Total
5422/24198 13.7M 13.7M
5423/24199 13.5M 27.2M
5424/24200 14.0M 41.2M
5425/24201 13.7M 54.9M
5426/24202 13.4M 68.3M
5427/24203 5.0M 73.3M
5428/24204 14.0M 87.3M
5429/24205 13.7M 101.0M
5430/24206 14.0M 115.0M
5431/24207 5.4M 120.4M
5432/24208 13.9M 134.3M
5433/24209 13.8M 148.1M
5434/24210 9.8M 157.9M
5435/24211 13.6M 171.5M
5436/24212 (junk)
5437/24213 13.1M 184.6M
5438/24214 13.5M 198.1M
5439/24215 13.5M 211.6M
5440/24216 9.8M 221.4M