• Main INDEX
  • Monthly INDEX
  • PREV
  • NEXT

    User name brads

    Log entry time 04:52:05 on May 18, 2008

    Entry number 238585

    This entry is a followup to: 238571


    keyword=FPP multiplicity reduction due to recentering beam?

    As part of the start-up after the controlled access we recentered the beam on the holey carbon Entry 238550. I would bet that is what improved the FPP backgrounds.

    Well, we also lowered the BB thresholds and boosted the PMT gains so we could see a decent peak in the calorimeter. That might have improved the signal to noise ratio in the HRS for coinc. events.