summary evening shift 7-18

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-we took data all evening with good cerenkov adc's to get statistics for
ep analysis
-we tried adjusting the voltages on all cerenkov boxes by +5% and +10%,
but saw no better peaks, although the adc average did increase by ~200
channels each time.

run summary:
733 ,734 1 sccm H2, default cerenkov voltages
                    trigger: start+left tof + right tof
735 junk
736 1 sccm, increased cerenkov voltages by 5% (see
commis/hv/cerenkov_gains)
737 1 sccm, cerenkovs 10% above default (up to a maximum
2600V)
738 2 sccm, cerenkovs 10% above default
739 3 sccm, cerenkovs 10% above default
740 4 sccm, cerenkovs 10% above default
741 5 sccm, cerenkovs 10% above default

--yuan, chris

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