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User name hyde
Log entry time 10:42:37 on November 1,2010
Entry number 337964
keyword=Cerenkov Run 8161LeftHRS run 8161
select T3 corrected Cerenkov ADC sum
all pion and electron events.
Red Histogram, Select events in true coincidence peak of Cerenkov TDC
D.CerInT3 (only 9946 events)
There is still a pedestal and 1pe peak with good Cerenkov timing
Is this proof of good Cerenkov efficiency?
T->Draw("L.cer.a_c",cCleanTrk*"fEvtHdr.fEvtType==3&&L.cer.a_c<3000","")
(Long64_t)147673
T->Draw("L.cer.a_c",cCleanTrk*"fEvtHdr.fEvtType==3&&L.cer.a_c<3000&&abs(D.CerInT3-2300)<500","same")
(Long64_t)9946
FIGURE 1
