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    User name Higinbotham

    Log entry time 11:27:48 on April 6,2008

    Entry number 230350

    This entry is a followup to: 230347

    keyword=T4 Trigger Comment

    With the outer S1 paddles off, the (two-out-of-three and not T3) T4 rate increased and the prescale wasn't adjusted. The T4 trigger is now giving a lot of events that are from the outer area, so during a beam study we will likely want to change it's logic or change the T7 trigger to be four paddles instead of two though that means making sure the T7 is timed correctly as it would become the coinc. trigger.

    For the present T4, only about 1 in 8 events is what we want for HRS trigger eff.