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pam-fi |
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/* |
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* TofBetaRigHCut.cpp |
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* |
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* Created on: 13-mar-2009 |
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* Author: Sergio Ricciarini, Nicola Mori |
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*/ |
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/*! @file TofBetaRigHCut.cpp The TofBetaRigHCut class implementation file */ |
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#include "TofBetaRigHCut.h" |
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int TofBetaRigHCut::Check(PamLevel2 *event) { |
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TrkTrack *trkTrack = event->GetTrack(0)->GetTrkTrack(); |
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Int_t seqno = trkTrack->GetSeqNo(); |
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Int_t ntrack_tof = 0; |
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for (Int_t i = 0; i < event->GetToFLevel2()->ntrk(); i++) { |
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if (event->GetToFLevel2()->GetToFTrkVar(i)->trkseqno == seqno) |
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ntrack_tof = i; |
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} |
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Float_t betaModTof = fabs(event->GetToFLevel2()->CalcBeta(ntrack_tof, 10., 10., 20.)); // beta[12] |
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// Float_t rigMod = _mass*fabs(beta)*pow((1-pow(beta,2)),-0.5)/abs(_charge); |
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Int_t _charge=1; |
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Float_t _mass_p=0.93827203; // GeV (pdg.web.cern.ch) |
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Float_t _mass_d=1.99846; // GeV (www.nndc.bnl.gov) |
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Float_t betaModTrk_p = (trkTrack->GetRigidity() * abs(_charge)) / pow(pow(trkTrack->GetRigidity() * _charge, 2) + pow( |
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_mass_p, 2), 0.5); |
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Float_t betaModTrk_d = (trkTrack->GetRigidity() * abs(_charge)) / pow(pow(trkTrack->GetRigidity() * _charge, 2) + pow( |
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_mass_d, 2), 0.5); |
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if ( (fabs(betaModTof - betaModTrk_p) > _threshold * betaModTof) && (fabs(betaModTof - betaModTrk_d) > _threshold * betaModTof) ) { |
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return 0; |
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} |
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return CUTOK; |
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} |
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