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mzanetti |
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// $Id: MetTools.cc,v 1.14 2011/01/21 11:25:29 ceballos Exp $
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#include "MitPhysics/Utils/interface/MetTools.h"
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#include <TFile.h>
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ClassImp(mithep::MetTools)
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using namespace mithep;
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//--------------------------------------------------------------------------------------------------
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MetTools::MetTools(const MuonCol *fMuons, const PFCandidateCol *fPFCandidates, const Vertex *fVertex,
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float deltaZCut, float ptCut, float etaCut) {
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float trackNumeratorX =0, trackNumeratorY =0;
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float neutralNumeratorX=0, neutralNumeratorY=0;
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// muons Pt
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for (UInt_t m = 0; m < fMuons->GetEntries(); ++m) {
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trackNumeratorX -= fMuons->At(m)->Px();
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trackNumeratorY -= fMuons->At(m)->Py();
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}
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// PF candidates pT
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for (UInt_t i=0; i<fPFCandidates->GetEntries(); ++i) {
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// charged
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if (fPFCandidates->At(i)->TrackerTrk()){
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bool isMuonTrack = false;
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for (UInt_t m = 0; m < fMuons->GetEntries(); ++m) {
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if (fMuons->At(m)->TrackerTrk() == fPFCandidates->At(i)->TrackerTrk()) {
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isMuonTrack = true;
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break;
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}
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}
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if (isMuonTrack) continue;
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if (fabs(fPFCandidates->At(i)->TrackerTrk()->DzCorrected(*fVertex)) < deltaZCut) {
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trackNumeratorX -= fPFCandidates->At(i)->Px();
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trackNumeratorY -= fPFCandidates->At(i)->Py();
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}
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}
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// neutral
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if (fPFCandidates->At(i)->PFType()== PFCandidate::eNeutralHadron || fPFCandidates->At(i)->PFType()== PFCandidate::eGamma) {
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if (fPFCandidates->At(i)->Pt() > ptCut and fabs(fPFCandidates->At(i)->Eta()) < etaCut ) {
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neutralNumeratorX -= fPFCandidates->At(i)->Px();
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neutralNumeratorY -= fPFCandidates->At(i)->Py();
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}
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}
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}
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mithep::Met fCorrectedMet(trackNumeratorX+neutralNumeratorX, trackNumeratorY+neutralNumeratorY);
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}
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MetTools::MetTools(const ElectronCol *fElectrons, const PFCandidateCol *fPFCandidates, const Vertex *fVertex,
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float deltaZCut, float ptCut, float etaCut) {
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float trackNumeratorX =0, trackNumeratorY =0;
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float neutralNumeratorX=0, neutralNumeratorY=0;
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// electrons Pt
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for (UInt_t m = 0; m < fElectrons->GetEntries(); ++m) {
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trackNumeratorX -= fElectrons->At(m)->Px();
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trackNumeratorY -= fElectrons->At(m)->Py();
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}
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// PF candidates pT
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for (UInt_t i=0; i<fPFCandidates->GetEntries(); ++i) {
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// charged
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if (fPFCandidates->At(i)->TrackerTrk()){
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bool isElectronTrack = false;
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for (UInt_t m = 0; m < fElectrons->GetEntries(); ++m) {
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if (fElectrons->At(m)->TrackerTrk() == fPFCandidates->At(i)->TrackerTrk() or
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fElectrons->At(m)->GsfTrk() == fPFCandidates->At(i)->GsfTrk() ) {
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isElectronTrack = true;
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break;
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}
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}
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if (isElectronTrack) continue;
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if (fabs(fPFCandidates->At(i)->TrackerTrk()->DzCorrected(*fVertex)) < deltaZCut) {
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trackNumeratorX -= fPFCandidates->At(i)->Px();
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trackNumeratorY -= fPFCandidates->At(i)->Py();
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}
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}
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// neutral
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if (fPFCandidates->At(i)->PFType()== PFCandidate::eNeutralHadron || fPFCandidates->At(i)->PFType()== PFCandidate::eGamma) {
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if (fPFCandidates->At(i)->Pt() > ptCut and fabs(fPFCandidates->At(i)->Eta()) < etaCut ) {
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neutralNumeratorX -= fPFCandidates->At(i)->Px();
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neutralNumeratorY -= fPFCandidates->At(i)->Py();
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}
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}
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}
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mithep::Met fCorrectedMet(trackNumeratorX+neutralNumeratorX, trackNumeratorY+neutralNumeratorY);
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}
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Met MetTools::GetMimumMet(const Met *UncorrectedMet) {
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return (fCorrectedMet.Pt() < UncorrectedMet->Pt()) ? fCorrectedMet : *UncorrectedMet;
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}
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