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User name Hisham
Log entry time 10:50:40 on November 8,2010
Entry number 339114
This entry is a followup to: 339105
keyword=s2 efficiency
Run 8213 has T3 and T4
cut definitions:
TCut cGoodVDC ="L.tr.n==1&&abs(L.tr.x)<0.8&&abs(L.tr.y)<0.1&&abs(L.tr.ph)<0.05";
TCut cGoodAngles = "abs(L.tr.tg_th)<0.1&&abs(L.tr.tg_ph)<0.05";
TCut cTarget = "abs(rpl.z)<0.07";
TCut cAccept = "abs(L.tr.tg_dp)<0.05";
TCut cCleanTrk = cGoodVDC&&cGoodAngles&&cTarget&&cAccept;
TCut cCerTime = "abs(D.CerInT3-2300)<300.";
L.tr.x and .y distributions for all events
(black)T->Draw("L.tr.x",cCleanTrk&&cCerTime*"L.s1.nthit==1&&L.s2.nthit==1&&D.evtypebits==8","") 12657
(red)T->Draw("L.tr.x",cCleanTrk&&cCerTime*"L.s1.nthit>0&&D.evtypebits==16","same") 0
s2 appears to be >99% efficient