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// $Id: TauIDMod.cc,v 1.7 2009/04/09 11:24:58 loizides Exp $
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#include "MitPhysics/Mods/interface/TauIDMod.h"
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#include "MitPhysics/Init/interface/ModNames.h"
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#include "MitAna/DataTree/interface/CaloTauCol.h"
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using namespace mithep;
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ClassImp(mithep::TauIDMod)
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//------------------------------------------------------------------------------
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TauIDMod::TauIDMod(const char *name, const char *title) :
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BaseMod(name,title),
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fCaloTausName(Names::gkCaloTauBrn),
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fGoodTausName(ModNames::gkGoodTausName),
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fPtMin(10.0),
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fJetPtMin(20.0),
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fLeadTrackPtMin(6.0),
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fNSignalTracksMax(3),
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fNIsoTracksMax(0),
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fSignalTracksMassMax(2.0),
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fIsoTrackPtSumMax(5.0),
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fEnergyFractionEmMax(0.95),
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fHCalEtOverPtMin(0.1),
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fCaloTaus(0)
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{
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// Constructor.
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}
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//------------------------------------------------------------------------------
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void TauIDMod::Process()
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{
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// Process entries of the tree.
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LoadBranch(fCaloTausName);
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CaloTauOArr *GoodTaus = new CaloTauOArr;
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GoodTaus->SetName(fGoodTausName);
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for (UInt_t i=0; i<fCaloTaus->GetEntries(); ++i) {
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const CaloTau *tau = fCaloTaus->At(i);
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if (tau->Pt() <= fPtMin)
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continue;
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if (tau->SourceCaloJet()->Pt() <= fJetPtMin)
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continue;
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if (tau->NSignalTracks() == 0 || tau->NSignalTracks() > fNSignalTracksMax)
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continue;
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if (!tau->LeadTrack() || tau->LeadTrack()->Pt() < fLeadTrackPtMin)
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continue;
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if (tau->NIsoTracks() > fNIsoTracksMax)
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continue;
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if (tau->SignalTracksMass() > fSignalTracksMassMax)
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continue;
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if (tau->IsoTrackPtSum() > fIsoTrackPtSumMax)
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continue;
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if (tau->SourceCaloJet()->EnergyFractionEm() > fEnergyFractionEmMax)
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continue;
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if (tau->LeadTrack3x3HCalEt()/tau->LeadTrack()->Pt() < fHCalEtOverPtMin)
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continue;
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// always apply these requirements
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if (TMath::Abs(tau->Charge()) != 1)
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continue;
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if (TMath::Abs(TMath::Abs(tau->Eta())-1.53) < 0.02)
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continue;
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// add good tau to output collection
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GoodTaus->Add(tau);
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}
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// sort according to pt
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GoodTaus->Sort();
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// add to event for other modules to use
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AddObjThisEvt(GoodTaus);
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}
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//------------------------------------------------------------------------------
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void TauIDMod::SlaveBegin()
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{
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// Run startup code on the computer (slave) doing the actual analysis. Here,
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// we just request the Tau collection branch.
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ReqBranch(fCaloTausName, fCaloTaus);
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}
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