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User name A. Camsonne
Log entry time 10:18:35 on October 9,2009
Entry number 293977
keyword=Background seen electron detector tooaround 300 Hz/uA at 2 cm from the beam so 30 Khz singles in the detector far from the beam. So this cross checks that this is not a problem with the photon detector.
FIGURE 1
FIGURE 2
