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Bill Atwood, SCIPP/UCSC, Oct, 2005 GLAST 1 Background Files Available Processed 500M v7r2 Bkg. events run at SLAC Processed 2M v7r2 All Gammas Processed.

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Presentation on theme: "Bill Atwood, SCIPP/UCSC, Oct, 2005 GLAST 1 Background Files Available Processed 500M v7r2 Bkg. events run at SLAC Processed 2M v7r2 All Gammas Processed."— Presentation transcript:

1 Bill Atwood, SCIPP/UCSC, Oct, 2005 GLAST 1 Background Files Available Processed 500M v7r2 Bkg. events run at SLAC Processed 2M v7r2 All Gammas Processed events through IM scripts Cuts: 1) FilterStatusHi == 0 2) TkrNumTracks > 0 3) CalEnergyRaw > 5 4) CalCsIRLn > 4 5) BestEnergyProb >.1 6) (AcdActiveDist 2) 7) PSFProb >.1 8) Bkg. Rej. PreFilters Presently the files on UW's glast-ts: D:\users\atwood\DC2DataSets - Bkgv7r2_500M_Pub_Full.txt - 65556 events AGv7r2_2M_Pub_Full.txt - 121509 events

2 Bill Atwood, SCIPP/UCSC, Oct, 2005 GLAST 2 A eff vs Bkg Rate A eff x  vs Bkg Rate GoodGammaProb

3 Bill Atwood, SCIPP/UCSC, Oct, 2005 GLAST 3 BestEnergyProb GoodEnergy.Prob >.10 GoodEnergy.Prob >.45 GoodEnergy.Prob >.60

4 Bill Atwood, SCIPP/UCSC, Oct, 2005 GLAST 4 PSFProb (BestZDir < -.9)

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% eff = (Wout / W in) *100 eff = (80 J / 100 J) * 100 = 80% W in = 75 N * 5 m = 375 J W out = 100 N * 3 m = 300 J eff = (300 J / 375 J) *100 = 80% W in.
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