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User name M Jones

Log entry time 22:09:06 on March 07, 2009

Entry number 178461

This entry is a followup to: 178460

keyword=Distribution of number of planes hit per event is unchanged for DC2

Distribution of number of planes hit per event is unchanged for DC2
as shown in the attached plot comparing run 72925 to 72931.
DC1 shows a definite improvement.

It would be nice to improve the gas flow into DC2 but one needs to be
careful about upping the flow. There is a relief bubbler, before
the gas enters the chambers. You don't want to set the flow rate too high
and have gas go out of the relief bubbler.