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bendavid |
1.11 |
// $Id: IsolationTools.cc,v 1.10 2011/04/06 18:03:48 fabstoec Exp $
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loizides |
1.1 |
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#include "MitPhysics/Utils/interface/IsolationTools.h"
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| 4 |
bendavid |
1.11 |
#include "MitPhysics/Utils/interface/PhotonTools.h"
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| 5 |
loizides |
1.1 |
#include "MitCommon/MathTools/interface/MathUtils.h"
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loizides |
1.4 |
ClassImp(mithep::IsolationTools)
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loizides |
1.1 |
using namespace mithep;
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//--------------------------------------------------------------------------------------------------
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Double_t IsolationTools::TrackIsolation(const Track *p, Double_t extRadius, Double_t intRadius,
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Double_t ptLow, Double_t maxVtxZDist,
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phedex |
1.2 |
const Collection<Track> *tracks)
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loizides |
1.1 |
{
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//Computes the Track Isolation: Summed Transverse Momentum of all tracks inside an
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//annulus around the electron seed track.
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Double_t ptSum =0.;
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for (UInt_t i=0; i<tracks->GetEntries();i++) {
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Double_t tmpPt = tracks->At(i)->Pt();
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Double_t deltaZ = fabs(p->Z0() - tracks->At(i)->Z0());
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//ignore the track if it is below the pt threshold
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if (tmpPt < ptLow)
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continue;
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//ingore the track if it is too far away in Z
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if (deltaZ > maxVtxZDist)
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continue;
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phedex |
1.2 |
Double_t dr = MathUtils::DeltaR(p->Phi(),p->Eta(),tracks->At(i)->Phi(), tracks->At(i)->Eta());
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loizides |
1.1 |
//add the track pt if it is inside the annulus
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if ( dr < extRadius &&
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dr >= intRadius ) {
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ptSum += tmpPt;
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}
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}
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return ptSum;
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}
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//--------------------------------------------------------------------------------------------------
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Double_t IsolationTools::EcalIsolation(const SuperCluster *sc, Double_t coneSize, Double_t etLow,
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phedex |
1.2 |
const Collection<BasicCluster> *basicClusters)
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loizides |
1.1 |
{
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//Computes the Ecal Isolation: Summed Transverse Energy of all Basic Clusters inside a
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//cone around the electron, excluding those that are inside the electron super cluster.
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Double_t ecalIsol=0.;
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const BasicCluster *basicCluster= 0;
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for (UInt_t i=0; i<basicClusters->GetEntries();i++) {
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basicCluster = basicClusters->At(i);
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Double_t basicClusterEnergy = basicCluster->Energy();
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Double_t basicClusterEta = basicCluster->Eta();
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Double_t basicClusterEt = basicClusterEnergy*sin(2*atan(exp(basicClusterEta)));
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bendavid |
1.3 |
if (basicClusterEt > etLow) {
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loizides |
1.1 |
bool inSuperCluster = false;
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// loop over the basic clusters of the supercluster
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// to make sure that the basic cluster is not inside
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// the super cluster. We exclude those.
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for (UInt_t j=0; j<sc->ClusterSize(); j++) {
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const BasicCluster *tempBasicClusterInSuperCluster = sc->Cluster(j);
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if (tempBasicClusterInSuperCluster == basicCluster) {
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inSuperCluster = true;
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}
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}
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if (!inSuperCluster) {
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phedex |
1.2 |
Double_t dr = MathUtils::DeltaR(sc->Phi(), sc->Eta(),
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basicCluster->Phi(),basicCluster->Eta());
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loizides |
1.1 |
if(dr < coneSize) {
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ecalIsol += basicClusterEt;
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}
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}
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}
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}
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return ecalIsol;
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}
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//--------------------------------------------------------------------------------------------------
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Double_t IsolationTools::CaloTowerHadIsolation(const ThreeVector *p, Double_t extRadius,
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Double_t intRadius, Double_t etLow,
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phedex |
1.2 |
const Collection<CaloTower> *caloTowers)
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loizides |
1.1 |
{
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//Computes the CaloTower Had Et Isolation: Summed Hadronic Transverse Energy of all Calo Towers
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//inside an annulus around the electron super cluster position.
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Double_t sumEt = 0;
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for (UInt_t i=0; i<caloTowers->GetEntries();i++) {
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Double_t caloTowerEt = caloTowers->At(i)->HadEt();
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Double_t dr = MathUtils::DeltaR(caloTowers->At(i)->Phi(), caloTowers->At(i)->Eta(),
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p->Phi(), p->Eta());
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if (dr < extRadius && dr > intRadius && caloTowerEt > etLow) {
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sumEt += caloTowerEt;
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}
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}
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return sumEt;
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}
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//--------------------------------------------------------------------------------------------------
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Double_t IsolationTools::CaloTowerEmIsolation(const ThreeVector *p, Double_t extRadius,
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Double_t intRadius, Double_t etLow,
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phedex |
1.2 |
const Collection<CaloTower> *caloTowers)
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loizides |
1.1 |
{
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//Computes the CaloTower Em Et Isolation: Summed Hadronic Transverse Energy of all Calo Towers
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//inside an annulus around the electron super cluster position.
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| 109 |
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Double_t sumEt = 0;
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for (UInt_t i=0; i<caloTowers->GetEntries();i++) {
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| 111 |
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Double_t caloTowerEt = caloTowers->At(i)->EmEt();
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Double_t dr = MathUtils::DeltaR(caloTowers->At(i)->Phi(), caloTowers->At(i)->Eta(),
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p->Phi(), p->Eta());
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| 114 |
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if (dr < extRadius && dr > intRadius && caloTowerEt > etLow) {
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sumEt += caloTowerEt;
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| 116 |
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}
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| 117 |
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}
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| 118 |
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return sumEt;
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| 119 |
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}
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ceballos |
1.5 |
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| 121 |
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//--------------------------------------------------------------------------------------------------
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| 122 |
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Double_t IsolationTools::PFMuonIsolation(const Muon *p, const Collection<PFCandidate> *PFCands,
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| 123 |
ceballos |
1.8 |
const Vertex *vertex, Double_t delta_z, Double_t ptMin,
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| 124 |
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Double_t extRadius, Double_t intRadius, int isoType,
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| 125 |
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Double_t beta, const MuonCol *goodMuons,
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| 126 |
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const ElectronCol *goodElectrons)
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| 127 |
ceballos |
1.5 |
{
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| 128 |
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//Computes the PF Isolation: Summed Transverse Momentum of all PF candidates inside an
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| 129 |
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//annulus around the particle seed track.
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| 130 |
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| 131 |
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Double_t zLepton = 0.0;
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ceballos |
1.8 |
if(p->BestTrk()) zLepton = p->BestTrk()->DzCorrected(*vertex);
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| 133 |
ceballos |
1.5 |
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| 134 |
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Double_t ptSum =0.;
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| 135 |
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for (UInt_t i=0; i<PFCands->GetEntries();i++) {
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| 136 |
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const PFCandidate *pf = PFCands->At(i);
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| 137 |
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| 138 |
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Bool_t isGoodType = kFALSE;
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| 139 |
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// all particles
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| 140 |
ceballos |
1.6 |
if (isoType == 0) isGoodType = kTRUE;
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| 141 |
ceballos |
1.5 |
// charged particles only
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| 142 |
ceballos |
1.6 |
else if(isoType == 1 && pf->BestTrk()) isGoodType = kTRUE;
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| 143 |
ceballos |
1.5 |
// charged particles and gammas only
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| 144 |
ceballos |
1.6 |
else if(isoType == 2 &&
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| 145 |
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(pf->BestTrk() || pf->PFType() == PFCandidate::eGamma)) isGoodType = kTRUE;
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| 146 |
ceballos |
1.8 |
// all particles, rejecting good leptons
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| 147 |
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else if(isoType == 3) isGoodType = kTRUE;
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| 148 |
ceballos |
1.5 |
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| 149 |
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if(isGoodType == kFALSE) continue;
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| 150 |
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| 151 |
ceballos |
1.6 |
if(pf->Pt() <= ptMin) continue;
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| 152 |
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| 153 |
ceballos |
1.5 |
if(pf->TrackerTrk() && p->TrackerTrk() &&
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| 154 |
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pf->TrackerTrk() == p->TrackerTrk()) continue;
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| 155 |
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| 156 |
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Double_t deltaZ = 0.0;
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| 157 |
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if(pf->BestTrk()) {
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| 158 |
ceballos |
1.8 |
deltaZ = TMath::Abs(pf->BestTrk()->DzCorrected(*vertex) - zLepton);
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| 159 |
ceballos |
1.5 |
}
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| 160 |
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| 161 |
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// ignore the pf candidate if it is too far away in Z
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| 162 |
ceballos |
1.6 |
if (deltaZ >= delta_z)
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| 163 |
ceballos |
1.5 |
continue;
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| 164 |
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| 165 |
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Double_t dr = MathUtils::DeltaR(p->Mom(), pf->Mom());
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| 166 |
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// add the pf pt if it is inside the extRadius and outside the intRadius
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| 167 |
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if ( dr < extRadius &&
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| 168 |
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dr >= intRadius ) {
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| 169 |
ceballos |
1.8 |
Bool_t isLepton = kFALSE;
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| 170 |
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if(goodMuons && isoType == 3){
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| 171 |
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for (UInt_t nl=0; nl<goodMuons->GetEntries();nl++) {
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| 172 |
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const Muon *m = goodMuons->At(nl);
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| 173 |
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if(pf->TrackerTrk() && m->TrackerTrk() &&
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| 174 |
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pf->TrackerTrk() == m->TrackerTrk()) {
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| 175 |
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isLepton = kTRUE;
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| 176 |
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break;
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| 177 |
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}
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| 178 |
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}
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| 179 |
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}
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| 180 |
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if(goodElectrons && isLepton == kFALSE && isoType == 3){
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| 181 |
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for (UInt_t nl=0; nl<goodElectrons->GetEntries();nl++) {
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| 182 |
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const Electron *e = goodElectrons->At(nl);
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| 183 |
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if(pf->TrackerTrk() && e->TrackerTrk() &&
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| 184 |
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pf->TrackerTrk() == e->TrackerTrk()) {
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| 185 |
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isLepton = kTRUE;
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| 186 |
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break;
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| 187 |
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}
|
| 188 |
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if(pf->GsfTrk() && e->GsfTrk() &&
|
| 189 |
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pf->GsfTrk() == e->GsfTrk()) {
|
| 190 |
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isLepton = kTRUE;
|
| 191 |
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break;
|
| 192 |
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}
|
| 193 |
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}
|
| 194 |
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}
|
| 195 |
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if(isLepton == kFALSE){
|
| 196 |
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if(pf->BestTrk()) ptSum += pf->Pt();
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| 197 |
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else ptSum += pf->Pt()*beta;
|
| 198 |
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}
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| 199 |
ceballos |
1.5 |
}
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| 200 |
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}
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| 201 |
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return ptSum;
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| 202 |
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}
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| 203 |
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//--------------------------------------------------------------------------------------------------
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| 204 |
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Double_t IsolationTools::PFElectronIsolation(const Electron *p, const PFCandidateCol *PFCands,
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| 205 |
ceballos |
1.8 |
const Vertex *vertex, Double_t delta_z, Double_t ptMin,
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| 206 |
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Double_t extRadius, Double_t intRadius, int isoType,
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| 207 |
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Double_t beta, const MuonCol *goodMuons,
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| 208 |
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const ElectronCol *goodElectrons)
|
| 209 |
ceballos |
1.5 |
{
|
| 210 |
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//Computes the PF Isolation: Summed Transverse Momentum of all PF candidates inside an
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| 211 |
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//annulus around the particle seed track.
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| 212 |
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|
| 213 |
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Double_t zLepton = 0.0;
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| 214 |
ceballos |
1.8 |
if(p->BestTrk()) zLepton = p->BestTrk()->DzCorrected(*vertex);
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| 215 |
ceballos |
1.5 |
|
| 216 |
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Double_t ptSum =0.;
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| 217 |
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for (UInt_t i=0; i<PFCands->GetEntries();i++) {
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| 218 |
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const PFCandidate *pf = PFCands->At(i);
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| 219 |
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| 220 |
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Bool_t isGoodType = kFALSE;
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| 221 |
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// all particles
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| 222 |
ceballos |
1.6 |
if (isoType == 0) isGoodType = kTRUE;
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| 223 |
ceballos |
1.5 |
// charged particles only
|
| 224 |
ceballos |
1.6 |
else if(isoType == 1 && pf->BestTrk()) isGoodType = kTRUE;
|
| 225 |
ceballos |
1.5 |
// charged particles and gammas only
|
| 226 |
ceballos |
1.6 |
else if(isoType == 2 &&
|
| 227 |
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(pf->BestTrk() || pf->PFType() == PFCandidate::eGamma)) isGoodType = kTRUE;
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| 228 |
ceballos |
1.8 |
// all particles, rejecting good leptons
|
| 229 |
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else if(isoType == 3) isGoodType = kTRUE;
|
| 230 |
ceballos |
1.5 |
|
| 231 |
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if(isGoodType == kFALSE) continue;
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| 232 |
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| 233 |
ceballos |
1.6 |
if(pf->Pt() <= ptMin) continue;
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| 234 |
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| 235 |
ceballos |
1.5 |
if(pf->TrackerTrk() && p->TrackerTrk() &&
|
| 236 |
|
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pf->TrackerTrk() == p->TrackerTrk()) continue;
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| 237 |
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|
| 238 |
|
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if(pf->GsfTrk() && p->GsfTrk() &&
|
| 239 |
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pf->GsfTrk() == p->GsfTrk()) continue;
|
| 240 |
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|
| 241 |
|
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Double_t deltaZ = 0.0;
|
| 242 |
|
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if(pf->BestTrk()) {
|
| 243 |
ceballos |
1.8 |
deltaZ = TMath::Abs(pf->BestTrk()->DzCorrected(*vertex) - zLepton);
|
| 244 |
ceballos |
1.5 |
}
|
| 245 |
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|
| 246 |
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// ignore the pf candidate if it is too far away in Z
|
| 247 |
ceballos |
1.6 |
if (deltaZ >= delta_z)
|
| 248 |
ceballos |
1.5 |
continue;
|
| 249 |
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|
| 250 |
|
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Double_t dr = MathUtils::DeltaR(p->Mom(), pf->Mom());
|
| 251 |
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// add the pf pt if it is inside the extRadius and outside the intRadius
|
| 252 |
|
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if ( dr < extRadius &&
|
| 253 |
|
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dr >= intRadius ) {
|
| 254 |
ceballos |
1.8 |
Bool_t isLepton = kFALSE;
|
| 255 |
|
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if(goodMuons && isoType == 3){
|
| 256 |
|
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for (UInt_t nl=0; nl<goodMuons->GetEntries();nl++) {
|
| 257 |
|
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const Muon *m = goodMuons->At(nl);
|
| 258 |
|
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if(pf->TrackerTrk() && m->TrackerTrk() &&
|
| 259 |
|
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pf->TrackerTrk() == m->TrackerTrk()) {
|
| 260 |
|
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isLepton = kTRUE;
|
| 261 |
|
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break;
|
| 262 |
|
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}
|
| 263 |
|
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}
|
| 264 |
|
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}
|
| 265 |
|
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if(goodElectrons && isLepton == kFALSE && isoType == 3){
|
| 266 |
|
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for (UInt_t nl=0; nl<goodElectrons->GetEntries();nl++) {
|
| 267 |
|
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const Electron *e = goodElectrons->At(nl);
|
| 268 |
|
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if(pf->TrackerTrk() && e->TrackerTrk() &&
|
| 269 |
|
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pf->TrackerTrk() == e->TrackerTrk()) {
|
| 270 |
|
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isLepton = kTRUE;
|
| 271 |
|
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break;
|
| 272 |
|
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}
|
| 273 |
|
|
if(pf->GsfTrk() && e->GsfTrk() &&
|
| 274 |
|
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pf->GsfTrk() == e->GsfTrk()) {
|
| 275 |
|
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isLepton = kTRUE;
|
| 276 |
|
|
break;
|
| 277 |
|
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}
|
| 278 |
|
|
}
|
| 279 |
|
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}
|
| 280 |
|
|
if(isLepton == kFALSE){
|
| 281 |
|
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if(pf->BestTrk()) ptSum += pf->Pt();
|
| 282 |
|
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else ptSum += pf->Pt()*beta;
|
| 283 |
|
|
}
|
| 284 |
ceballos |
1.5 |
}
|
| 285 |
|
|
}
|
| 286 |
|
|
return ptSum;
|
| 287 |
|
|
}
|
| 288 |
ceballos |
1.7 |
//--------------------------------------------------------------------------------------------------
|
| 289 |
ceballos |
1.8 |
Double_t IsolationTools::BetaM(const TrackCol *tracks, const Muon *p, const Vertex *vertex,
|
| 290 |
ceballos |
1.7 |
Double_t ptMin, Double_t delta_z, Double_t extRadius,
|
| 291 |
|
|
Double_t intRadius){
|
| 292 |
|
|
|
| 293 |
ceballos |
1.9 |
if(!tracks) return 1.0;
|
| 294 |
ceballos |
1.7 |
if(tracks->GetEntries() <= 0) return 1.0;
|
| 295 |
|
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|
| 296 |
|
|
double Pt_jets_X = 0. ;
|
| 297 |
|
|
double Pt_jets_Y = 0. ;
|
| 298 |
|
|
double Pt_jets_X_tot = 0. ;
|
| 299 |
|
|
double Pt_jets_Y_tot = 0. ;
|
| 300 |
|
|
|
| 301 |
|
|
for(int i=0;i<int(tracks->GetEntries());i++){
|
| 302 |
|
|
const Track *pTrack = tracks->At(i);
|
| 303 |
|
|
|
| 304 |
|
|
if(pTrack && p->TrackerTrk() &&
|
| 305 |
|
|
pTrack == p->TrackerTrk()) continue;
|
| 306 |
|
|
|
| 307 |
|
|
if(pTrack->Pt() <= ptMin) continue;
|
| 308 |
|
|
|
| 309 |
|
|
Double_t dr = MathUtils::DeltaR(pTrack->Mom(),p->Mom());
|
| 310 |
|
|
if ( dr < extRadius && dr >= intRadius ) {
|
| 311 |
|
|
Pt_jets_X_tot += pTrack->Px();
|
| 312 |
|
|
Pt_jets_Y_tot += pTrack->Py();
|
| 313 |
ceballos |
1.8 |
double pDz = TMath::Abs(pTrack->DzCorrected(*vertex));
|
| 314 |
ceballos |
1.7 |
if(pDz < delta_z){
|
| 315 |
|
|
Pt_jets_X += pTrack->Px();
|
| 316 |
|
|
Pt_jets_Y += pTrack->Py();
|
| 317 |
|
|
}
|
| 318 |
|
|
}
|
| 319 |
|
|
}
|
| 320 |
|
|
|
| 321 |
|
|
if(sqrt(Pt_jets_X_tot*Pt_jets_X_tot + Pt_jets_Y_tot*Pt_jets_Y_tot) > 0)
|
| 322 |
|
|
return sqrt(Pt_jets_X*Pt_jets_X + Pt_jets_Y*Pt_jets_Y) / sqrt(Pt_jets_X_tot*Pt_jets_X_tot + Pt_jets_Y_tot*Pt_jets_Y_tot);
|
| 323 |
|
|
|
| 324 |
|
|
return 1.0;
|
| 325 |
|
|
}
|
| 326 |
|
|
|
| 327 |
|
|
//--------------------------------------------------------------------------------------------------
|
| 328 |
ceballos |
1.8 |
Double_t IsolationTools::BetaE(const TrackCol *tracks, const Electron *p, const Vertex *vertex,
|
| 329 |
ceballos |
1.7 |
Double_t ptMin, Double_t delta_z, Double_t extRadius,
|
| 330 |
|
|
Double_t intRadius){
|
| 331 |
|
|
|
| 332 |
|
|
if(!tracks) return 1.0;
|
| 333 |
|
|
if(tracks->GetEntries() <= 0) return 1.0;
|
| 334 |
|
|
|
| 335 |
|
|
double Pt_jets_X = 0. ;
|
| 336 |
|
|
double Pt_jets_Y = 0. ;
|
| 337 |
|
|
double Pt_jets_X_tot = 0. ;
|
| 338 |
|
|
double Pt_jets_Y_tot = 0. ;
|
| 339 |
|
|
|
| 340 |
|
|
for(int i=0;i<int(tracks->GetEntries());i++){
|
| 341 |
|
|
const Track *pTrack = tracks->At(i);
|
| 342 |
|
|
|
| 343 |
|
|
if(pTrack && p->TrackerTrk() &&
|
| 344 |
|
|
pTrack == p->TrackerTrk()) continue;
|
| 345 |
|
|
|
| 346 |
|
|
if(pTrack && p->GsfTrk() &&
|
| 347 |
|
|
pTrack == p->GsfTrk()) continue;
|
| 348 |
|
|
|
| 349 |
|
|
if(pTrack->Pt() <= ptMin) continue;
|
| 350 |
|
|
|
| 351 |
|
|
Double_t dr = MathUtils::DeltaR(pTrack->Mom(),p->Mom());
|
| 352 |
|
|
if ( dr < extRadius && dr >= intRadius ) {
|
| 353 |
|
|
Pt_jets_X_tot += pTrack->Px();
|
| 354 |
|
|
Pt_jets_Y_tot += pTrack->Py();
|
| 355 |
ceballos |
1.8 |
double pDz = TMath::Abs(pTrack->DzCorrected(*vertex));
|
| 356 |
ceballos |
1.7 |
if(pDz < delta_z){
|
| 357 |
|
|
Pt_jets_X += pTrack->Px();
|
| 358 |
|
|
Pt_jets_Y += pTrack->Py();
|
| 359 |
|
|
}
|
| 360 |
|
|
}
|
| 361 |
|
|
}
|
| 362 |
|
|
|
| 363 |
|
|
if(sqrt(Pt_jets_X_tot*Pt_jets_X_tot + Pt_jets_Y_tot*Pt_jets_Y_tot) > 0)
|
| 364 |
|
|
return sqrt(Pt_jets_X*Pt_jets_X + Pt_jets_Y*Pt_jets_Y) / sqrt(Pt_jets_X_tot*Pt_jets_X_tot + Pt_jets_Y_tot*Pt_jets_Y_tot);
|
| 365 |
|
|
|
| 366 |
|
|
return 1.0;
|
| 367 |
|
|
}
|
| 368 |
fabstoec |
1.10 |
|
| 369 |
|
|
|
| 370 |
|
|
// method added by F.Stoeckli: computes the track isolation with NO constrint on the OV-track compatibility
|
| 371 |
|
|
Double_t IsolationTools::TrackIsolationNoPV(const mithep::Particle* p, const BaseVertex* bsp,
|
| 372 |
|
|
Double_t extRadius,
|
| 373 |
|
|
Double_t intRadius,
|
| 374 |
|
|
Double_t ptLow,
|
| 375 |
|
|
Double_t etaStrip,
|
| 376 |
|
|
Double_t maxD0,
|
| 377 |
|
|
mithep::TrackQuality::EQuality quality,
|
| 378 |
bendavid |
1.11 |
const mithep::Collection<mithep::Track> *tracks,
|
| 379 |
|
|
UInt_t maxNExpectedHitsInner,
|
| 380 |
|
|
const mithep::DecayParticleCol *conversions) {
|
| 381 |
fabstoec |
1.10 |
|
| 382 |
|
|
// loop over all tracks
|
| 383 |
|
|
Double_t tPt = 0.;
|
| 384 |
|
|
for(UInt_t i=0; i<tracks->GetEntries(); ++i) {
|
| 385 |
|
|
const Track* t = tracks->At(i);
|
| 386 |
|
|
if ( t->Pt() < ptLow ) continue;
|
| 387 |
|
|
if ( ! t->Quality().Quality(quality) ) continue;
|
| 388 |
|
|
// only check for beamspot if available, otherwise ignore cut
|
| 389 |
|
|
if ( bsp && fabs(t->D0Corrected( *bsp) ) > maxD0) continue;
|
| 390 |
bendavid |
1.11 |
if (t->NExpectedHitsInner()>maxNExpectedHitsInner) continue;
|
| 391 |
|
|
if (conversions && PhotonTools::MatchedConversion(t,conversions,bsp)) continue;
|
| 392 |
fabstoec |
1.10 |
Double_t dR = MathUtils::DeltaR(t->Mom(),p->Mom());
|
| 393 |
|
|
Double_t dEta = fabs(t->Eta()-p->Eta());
|
| 394 |
|
|
if(dR < extRadius && dR > intRadius && dEta > etaStrip) tPt += t->Pt();
|
| 395 |
|
|
}
|
| 396 |
|
|
return tPt;
|
| 397 |
|
|
}
|
| 398 |
|
|
|
