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ProductionMinBias : third pass
In this reproduction, the main changes are :
- keep all signs combinations (-+,+-,++,--)
- 2 or more silicon hits
- momentum based based on the sum of daughters momentum (Pkaon + Ppion > 1.5)
update : 8/04
The files produced so far are :
/star/institutions/ksu/bouchet/RE_PRODUCTION/analysis/ test_day98.root test_day99.root test_day104.root test_day105_1.root test_day105.root test_day109.root
The cuts used to make the D0Tree are listed here
The D0Tree has the following structure : here
I filtered the files listed above to make the pico (= lighter) files by applying some others cuts :
if((thetaGJ[ii]>-.6 && thetaGJ[ii]<.6) && (probability[ii]>.1) && (RapD0[ii]>-.5 && RapD0[ii]<.5) && (slength[ii]>0) && ((TMath::Abs(ndEdxPion[ii])<2) && (TMath::Abs(ndEdxKaon[ii])<2)))
so basically, the cuts are :
- on the cosTheta of the kaon with respect to the D0 flight line , in the D0 frame
- probability > 0.1 (the probability is the one from the secondary vertex fit ; from simulation, we've that there is a peak for low probabilities due to wrong fit)
- decay length > 0 (negative decay length are not physical/real decays)
- |number of sigma of dEdx |<2 for both daughters tracks
NOTE :
there is still the original files w/0 these cuts. I've applied these cuts to reduce the size of the files (already huge) w/o biasing (I guess) the signal.
I can redo some samples if one needs
warning :
the files are moved to :
/star/data05/scratch/bouchet/REPRODUCTION/
CURRENT JOBS STATUS : here
EXCEL SHEET : here
MAGNETIC FIELD RUN 7 :
- FULL FIELD : from day 96 to day 142
- REVERSED FULL FILED : from day 143 to day 177
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