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User name Moffit
Log entry time 21:53:55 on June24,2004
Entry number 126715
keyword=Detector Pedestals, Intime Helicity
Here's the helicity correlated detector pedestal results from runs 2384 and 2385. The error in the mean with the number of pairs acquired is about 0.15ppm.
Most (1,2,4) are nearly consistent with 0ppm... Detector 3 is a bit larger. We can probably expect up to a factor of 100 suppression in these numbers when we run with delayed helicity. So... it's still okay (compared to our expected statistical error in our measured asymmetry for this summer).
We probably want to see if we can track down the pickup in detector 3 during the July 4th downtime.
FIGURE 1
FIGURE 2