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User name M Friend
Log entry time 21:22:33 on April 2,2010
Entry number 315787
keyword=Compton background rates
The Compton background rate with the 1cm collimator is 7.3kHz (FADC DAQ at 35uA) and 125Hz/uA (counting DAQ) and with the 2cm collimator is 10.2kHz (again FADC DAQ, 35uA) and 245Hz/uA (counting DAQ).
FIGURE 1