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User name D. Parno
Log entry time 17:23:01 on February25,2009
Entry number 263300
keyword=LHRS good electron rate for 4K kinematicI replayed a full LHRS run (#20373) for the 4K kinematic (beam at four pass; momentum setting = 1.6 GeV/c; this is how we're running at present). A rough plot of the good electrons is shown in the bottom pane of the figure.
We have approximately 1009 good electrons for a 91.7-minute run. This gives a good electron rate of approximately 0.183 Hz. Our expected rate was 0.0868 Hz. Our measured rate is therefore about 2.1 times greater than our expected rate.
FIGURE 1
