User name nanda
Log entry time 14:15:26 on March 9,2006
Entry number 165988
keyword=Compton TuneBeam tune through the Compton Polarimeter has been established. However background photon and electron rates are about 300 Hz/uA, somewhat higher than I was expecting. At 2.6 GeV, these rates should be less than 100 Hz/uA.
MCC will try to bring down background rates further with dogleg correctons.
With cavity at around 500 Watts, signal/background is about 2. With a very short run, the beam polarization is 88.9 +/- 4.7% (in agreement with Moeller)
FIGURE 1
FIGURE 2
