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// $Id: ElectronIDMod.cc,v 1.48 2009/11/08 13:52:29 sixie Exp $
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#include "MitPhysics/Mods/interface/ElectronIDMod.h"
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#include "MitAna/DataTree/interface/StableData.h"
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#include "MitAna/DataTree/interface/ElectronCol.h"
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#include "MitAna/DataTree/interface/VertexCol.h"
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#include "MitAna/DataTree/interface/DecayParticleCol.h"
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#include "MitPhysics/Init/interface/ModNames.h"
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using namespace mithep;
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ClassImp(mithep::ElectronIDMod)
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//--------------------------------------------------------------------------------------------------
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ElectronIDMod::ElectronIDMod(const char *name, const char *title) :
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BaseMod(name,title),
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fElectronBranchName(Names::gkElectronBrn),
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fConversionBranchName(Names::gkMvfConversionBrn),
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fGoodElectronsName(ModNames::gkGoodElectronsName),
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fVertexName(string("PrimaryVertexesBeamSpot").c_str()),
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fElectronIDType("CustomTight"),
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fElectronIsoType("TrackJuraSliding"),
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fElectronPtMin(10),
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fIDLikelihoodCut(0.9),
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fTrackIsolationCut(5.0),
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fCaloIsolationCut(5.0),
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fEcalJuraIsoCut(5.0),
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fHcalIsolationCut(5.0),
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fCombIsolationCut(5.0),
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fApplyConvFilter(kTRUE),
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fWrongHitsRequirement(kTRUE),
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fApplyD0Cut(kTRUE),
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fChargeFilter(kTRUE),
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fD0Cut(0.025),
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fReverseIsoCut(kFALSE),
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fReverseD0Cut(kFALSE),
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fElIdType(kIdUndef),
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fElIsoType(kIsoUndef),
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fElectrons(0),
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fConversions(0),
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fVertices(0)
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{
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// Constructor.
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}
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//--------------------------------------------------------------------------------------------------
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Bool_t ElectronIDMod::PassCustomID(const Electron *ele) const
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{
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// Based on RecoEgamma/ElectronIdentification/src/CutBasedElectronID.cc.
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Double_t eOverP = ele->ESuperClusterOverP();
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Double_t fBrem = ele->FBrem();
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if ((eOverP < fCuts[5][0]) && (fBrem < fCuts[5][1]))
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return kFALSE;
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if (eOverP < fCuts[5][2]*(1-fBrem))
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return kFALSE;
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Int_t cat = 2;
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if ((ele->IsEB() && fBrem<0.06) || (ele->IsEE() && fBrem<0.1))
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cat=1;
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else if (eOverP < 1.2 && eOverP > 0.8)
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cat=0;
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Double_t eSeedOverPin = ele->ESeedClusterOverPIn();
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Double_t hOverE = ele->HadronicOverEm();
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Double_t sigmaee = ele->CoviEtaiEta();
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Double_t deltaPhiIn = TMath::Abs(ele->DeltaPhiSuperClusterTrackAtVtx());
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Double_t deltaEtaIn = TMath::Abs(ele->DeltaEtaSuperClusterTrackAtVtx());
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Int_t eb = 1;
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if (ele->IsEB())
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eb = 0;
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if (hOverE>fCuts[0][cat+4*eb])
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return kFALSE;
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if (sigmaee>fCuts[1][cat+4*eb])
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return kFALSE;
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if (deltaPhiIn>fCuts[2][cat+4*eb])
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return kFALSE;
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if(deltaEtaIn>fCuts[3][cat+4*eb])
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return kFALSE;
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if(eSeedOverPin<fCuts[4][cat+4*eb])
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return kFALSE;
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return kTRUE;
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}
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//--------------------------------------------------------------------------------------------------
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Bool_t ElectronIDMod::PassIDCut(const Electron *ele, EElIdType idType) const
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{
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Bool_t idcut = kFALSE;
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switch (idType) {
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case kTight:
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idcut = ele->PassTightID();
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break;
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case kLoose:
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idcut = ele->PassLooseID();
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break;
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case kLikelihood:
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idcut = (ele->IDLikelihood() > fIDLikelihoodCut);
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break;
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case kNoId:
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idcut = kTRUE;
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break;
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case kCustomIdLoose:
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idcut = ElectronIDMod::PassCustomID(ele);
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break;
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case kCustomIdTight:
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idcut = ElectronIDMod::PassCustomID(ele);
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break;
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case kZeeId:
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if (ele->IsEB()) {
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idcut = (ele->CoviEtaiEta() < 0.01 && ele->DeltaEtaSuperClusterTrackAtVtx() < 0.0071);
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} else {
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idcut = (ele->CoviEtaiEta() < 0.028 && ele->DeltaEtaSuperClusterTrackAtVtx() < 0.0066);
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}
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break;
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default:
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break;
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}
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return idcut;
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}
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//--------------------------------------------------------------------------------------------------
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Bool_t ElectronIDMod::PassIsolationCut(const Electron *ele, EElIsoType isoType) const
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{
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Bool_t isocut = kFALSE;
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switch (isoType) {
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case kTrackCalo:
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isocut = (ele->TrackIsolationDr03() < fTrackIsolationCut) &&
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(ele->CaloIsolation() < fCaloIsolationCut);
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break;
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case kTrackJura:
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isocut = (ele->TrackIsolationDr03() < fTrackIsolationCut) &&
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(ele->EcalRecHitIsoDr04() < fEcalJuraIsoCut) &&
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(ele->HcalIsolation() < fHcalIsolationCut);
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break;
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case kTrackJuraCombined:
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isocut = (ele->TrackIsolationDr03() + ele->EcalRecHitIsoDr04()
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- 1.5 < fCombIsolationCut);
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break;
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case kTrackJuraSliding:
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{
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Double_t totalIso = ele->TrackIsolationDr03() + ele->EcalRecHitIsoDr04() - 1.5;
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if (totalIso < (ele->Pt()-10.0)*4.5/20.0 ||
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totalIso <= 0)
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isocut = kTRUE;
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if (fReverseIsoCut == kTRUE &&
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isocut == kFALSE && totalIso < 10)
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isocut = kTRUE;
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else if(fReverseIsoCut == kTRUE)
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isocut = kFALSE;
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}
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break;
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case kNoIso:
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isocut = kTRUE;
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break;
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case kZeeIso:
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if (ele->IsEB()) {
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isocut = (ele->TrackIsolationDr04() < 7.2 && ele->EcalRecHitIsoDr04() < 5.7 && ele->HcalTowerSumEtDr04() < 8.1);
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} else {
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isocut = (ele->TrackIsolationDr04() < 5.1 && ele->EcalRecHitIsoDr04() < 5.0 && ele->HcalTowerSumEtDr04() < 3.4);
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}
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break;
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case kCustomIso:
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default:
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break;
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}
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return isocut;
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}
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//--------------------------------------------------------------------------------------------------
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Bool_t ElectronIDMod::PassConversionFilter(const Electron *ele, const DecayParticleCol *conversions) const
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{
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Bool_t isGoodConversion = kFALSE;
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for (UInt_t ifc=0; ifc<conversions->GetEntries(); ifc++) {
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Bool_t ConversionMatchFound = kFALSE;
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for (UInt_t d=0; d<conversions->At(ifc)->NDaughters(); d++) {
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const Track *trk = dynamic_cast<const ChargedParticle*>
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(conversions->At(ifc)->Daughter(d))->Trk();
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if (ele->GsfTrk() == trk) {
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ConversionMatchFound = kTRUE;
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break;
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}
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}
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// if match between the e-track and one of the conversion legs
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if (ConversionMatchFound == kTRUE){
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isGoodConversion = (conversions->At(ifc)->Prob() > 1e-6) &&
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(conversions->At(ifc)->Lxy() > 0) &&
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(conversions->At(ifc)->Lz() > 0) &&
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(conversions->At(ifc)->Position().Rho() > 2.0);
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if (isGoodConversion == kTRUE) {
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for (UInt_t d=0; d<conversions->At(ifc)->NDaughters(); d++) {
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const Track *trk = dynamic_cast<const ChargedParticle*>
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(conversions->At(ifc)->Daughter(d))->Trk();
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if (trk) {
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// These requirements are not used for the GSF track
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if (!(trk->NHits() >= 3 && trk->Prob() > 1e-6) && trk!=ele->GsfTrk())
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isGoodConversion = kFALSE;
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const StableData *sd = dynamic_cast<const StableData*>
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(conversions->At(ifc)->DaughterDat(d));
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if (fWrongHitsRequirement && sd->NWrongHits() != 0)
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isGoodConversion = kFALSE;
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} else {
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isGoodConversion = kFALSE;
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}
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}
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}
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}
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if (isGoodConversion == kTRUE) break;
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} // loop over all conversions
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return !isGoodConversion;
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}
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//--------------------------------------------------------------------------------------------------
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Bool_t ElectronIDMod::PassD0Cut(const Electron *ele, const VertexCol *vertices) const
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{
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Bool_t d0cut = kFALSE;
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// d0 cut
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Double_t d0_real = 99999;
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for(UInt_t i0 = 0; i0 < vertices->GetEntries(); i0++) {
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Double_t pD0 = ele->GsfTrk()->D0Corrected(*vertices->At(i0));
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if(TMath::Abs(pD0) < TMath::Abs(d0_real)) d0_real = TMath::Abs(pD0);
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}
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if(d0_real < fD0Cut) d0cut = kTRUE;
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if (fReverseD0Cut == kTRUE &&
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d0cut == kFALSE && d0_real < 0.05)
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d0cut = kTRUE;
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else if(fReverseD0Cut == kTRUE)
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d0cut = kFALSE;
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return d0cut;
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}
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//--------------------------------------------------------------------------------------------------
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Bool_t ElectronIDMod::PassChargeFilter(const Electron *ele) const
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{
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Bool_t passChargeFilter = kTRUE;
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if(ele->TrackerTrk() &&
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ele->TrackerTrk()->Charge() != ele->Charge()) passChargeFilter = kFALSE;
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return passChargeFilter;
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}
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//--------------------------------------------------------------------------------------------------
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void ElectronIDMod::Process()
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{
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// Process entries of the tree.
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LoadEventObject(fElectronBranchName, fElectrons);
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ElectronOArr *GoodElectrons = new ElectronOArr;
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GoodElectrons->SetName(fGoodElectronsName);
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for (UInt_t i=0; i<fElectrons->GetEntries(); ++i) {
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const Electron *e = fElectrons->At(i);
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if (e->Pt() <= fElectronPtMin)
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continue;
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//apply id cut
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Bool_t idcut = PassIDCut(e, fElIdType);
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if (!idcut)
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continue;
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//apply Isolation Cut
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Bool_t isocut = PassIsolationCut(e, fElIsoType);
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if (!isocut)
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continue;
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// apply conversion filter
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Bool_t passConvVeto = kFALSE;
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if (fApplyConvFilter) {
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LoadEventObject(fConversionBranchName, fConversions);
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passConvVeto = PassConversionFilter(e, fConversions);
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} else {
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passConvVeto = kTRUE;
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}
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if (passConvVeto == kFALSE) continue;
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// apply d0 cut
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if (fApplyD0Cut) {
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LoadEventObject(fVertexName, fVertices);
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Bool_t passD0cut = PassD0Cut(e, fVertices);
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if (!passD0cut)
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continue;
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}
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//apply charge filter
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if(fChargeFilter == kTRUE) {
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Bool_t passChargeFilter = PassChargeFilter(e);
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if (!passChargeFilter) continue;
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}
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// add good electron
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GoodElectrons->Add(e);
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}
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// sort according to pt
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GoodElectrons->Sort();
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// add to event for other modules to use
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AddObjThisEvt(GoodElectrons);
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}
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//--------------------------------------------------------------------------------------------------
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void ElectronIDMod::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 electron collection branch.
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ReqEventObject(fElectronBranchName, fElectrons, kTRUE);
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if (fApplyConvFilter)
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ReqEventObject(fConversionBranchName, fConversions, kTRUE);
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if (fApplyD0Cut)
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ReqEventObject(fVertexName, fVertices, kTRUE);
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Setup();
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}
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//--------------------------------------------------------------------------------------------------
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void ElectronIDMod::Setup()
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{
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// Set all options properly before execution.
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if (fElectronIDType.CompareTo("Tight") == 0)
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fElIdType = kTight;
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else if (fElectronIDType.CompareTo("Loose") == 0)
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fElIdType = kLoose;
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else if (fElectronIDType.CompareTo("Likelihood") == 0)
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fElIdType = kLikelihood;
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else if (fElectronIDType.CompareTo("NoId") == 0)
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fElIdType = kNoId;
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else if (fElectronIDType.CompareTo("ZeeId") == 0)
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fElIdType = kZeeId;
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else if (fElectronIDType.CompareTo("CustomLoose") == 0) {
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fElIdType = kCustomIdLoose;
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} else if (fElectronIDType.CompareTo("CustomTight") == 0) {
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fElIdType = kCustomIdTight;
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}
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else {
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SendError(kAbortAnalysis, "SlaveBegin",
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"The specified electron identification %s is not defined.",
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fElectronIDType.Data());
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return;
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}
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SetCustomIDCuts(fElIdType);
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if (fElectronIsoType.CompareTo("TrackCalo") == 0 )
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fElIsoType = kTrackCalo;
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else if (fElectronIsoType.CompareTo("TrackJura") == 0)
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fElIsoType = kTrackJura;
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else if(fElectronIsoType.CompareTo("TrackJuraCombined") == 0)
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fElIsoType = kTrackJuraCombined;
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else if(fElectronIsoType.CompareTo("TrackJuraSliding") == 0)
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fElIsoType = kTrackJuraSliding;
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else if (fElectronIsoType.CompareTo("NoIso") == 0 )
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fElIsoType = kNoIso;
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else if (fElectronIsoType.CompareTo("ZeeIso") == 0 )
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fElIsoType = kZeeIso;
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| 388 |
else if (fElectronIsoType.CompareTo("Custom") == 0 ) {
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fElIsoType = kCustomIso;
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| 390 |
SendError(kWarning, "SlaveBegin",
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"Custom electron isolation is not yet implemented.");
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| 392 |
} else {
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| 393 |
SendError(kAbortAnalysis, "SlaveBegin",
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"The specified electron isolation %s is not defined.",
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fElectronIsoType.Data());
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return;
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}
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| 398 |
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}
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//--------------------------------------------------------------------------------------------------
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void ElectronIDMod::SetCustomIDCuts(EElIdType idt)
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{
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| 404 |
// Set cut values based on RecoEgamma/ElectronIdentification/python/electronIdCutBasedExt_cfi.py.
|
| 405 |
// The following changes are in sigmaetaeta for endcups and deltaetain.
|
| 406 |
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| 407 |
Double_t tightcuts[6][8]={
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{0.086, 0.1, 0.052, 0.0, 0.050, 0.059, 0.061, 0.0}, //hovere
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{0.011, 0.011, 0.011, 0.0, 0.033, 0.029, 0.030, 0.0}, //sigmaetaeta
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{0.038, 0.024, 0.045, 0.0, 0.034, 0.017, 0.026, 0.0}, //deltaphiin
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{0.0081, 0.0029, 0.0051, 0.0, 0.0070, 0.0062, 0.0088, 0.0}, //deltaetain
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{0.0, 0.9, 0.0, 0.0, 0.0, 0.78, 0.0, 0.0}, //eoverp
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| 413 |
{0.8,0.2,0.9,0,0,0,0,0}}; //extra cuts fbrem and E_Over_P
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| 414 |
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| 415 |
Double_t loosecuts[6][8]={
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| 416 |
{0.076, 0.033, 0.07, 0.0, 0.083,0.148, 0.033, 0.0}, //hovere
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| 417 |
{0.0101, 0.0095, 0.0097, 0.0, 0.03, 0.03, 0.03, 0.0}, //sigmaetaeta
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{0.053, 0.0189, 0.059, 0.099, 0.0278,0.0157, 0.042, 0.080}, //deltaphiin
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{0.0078, 0.00259, 0.0062, 0.0, 0.0078,0.0061, 0.0061, 0.0}, //deltaetain
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{0.3, 0.92, 0.211, 0.0, 0.42, 0.88, 0.68, 0.0}, //eoverp
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| 421 |
{0.8,0.2,0,0,0,0,0,0}}; //extra cuts fbrem and E_Over_P
|
| 422 |
|
| 423 |
|
| 424 |
switch (idt) {
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| 425 |
case kCustomIdTight:
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| 426 |
memcpy(fCuts,tightcuts,sizeof(fCuts));
|
| 427 |
break;
|
| 428 |
case kCustomIdLoose:
|
| 429 |
memcpy(fCuts,loosecuts,sizeof(fCuts));
|
| 430 |
break;
|
| 431 |
default:
|
| 432 |
memset(fCuts,0,sizeof(fCuts));
|
| 433 |
break;
|
| 434 |
}
|
| 435 |
}
|
