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ceballos |
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// $Id: PFTauCleaningMod.cc,v 1.4 2009/06/15 15:00:21 loizides Exp $
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#include "MitPhysics/Mods/interface/PFTauCleaningMod.h"
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#include "MitCommon/MathTools/interface/MathUtils.h"
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#include "MitAna/DataTree/interface/ElectronCol.h"
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#include "MitAna/DataTree/interface/MuonCol.h"
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#include "MitAna/DataTree/interface/PFTauCol.h"
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#include "MitPhysics/Init/interface/ModNames.h"
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using namespace mithep;
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ClassImp(mithep::PFTauCleaningMod)
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//--------------------------------------------------------------------------------------------------
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PFTauCleaningMod::PFTauCleaningMod(const char *name, const char *title) :
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BaseMod(name,title),
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fCleanElectronsName(ModNames::gkCleanElectronsName),
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fCleanMuonsName(ModNames::gkCleanMuonsName),
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fGoodPFTausName(ModNames::gkGoodPFTausName),
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fCleanPFTausName(ModNames::gkCleanPFTausName),
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fMinDeltaRToElectron(0.3),
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fMinDeltaRToMuon(0.3)
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{
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// Constructor.
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}
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//--------------------------------------------------------------------------------------------------
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void PFTauCleaningMod::Process()
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{
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// Process entries of the tree.
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// get input collections
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const PFTauCol *GoodPFTaus = GetObjThisEvt<PFTauCol>(fGoodPFTausName);
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const ElectronCol *CleanElectrons = GetObjThisEvt<ElectronCol>(fCleanElectronsName);
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const MuonCol *CleanMuons = GetObjThisEvt<MuonCol>(fCleanMuonsName);
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// create output collection
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PFTauOArr *CleanPFTaus = new PFTauOArr;
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CleanPFTaus->SetName(fCleanPFTausName);
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// remove any Tau that overlaps in eta, phi with an isolated electron.
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UInt_t n = GoodPFTaus->GetEntries();
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for (UInt_t i=0; i<n; ++i) {
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const PFTau *tau = GoodPFTaus->At(i);
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Bool_t isElectronOverlap = false;
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// check for overlap with an electron
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if (CleanElectrons) {
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UInt_t n1 = CleanElectrons->GetEntries();
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for (UInt_t j=0; j<n1; j++) {
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Double_t deltaR = MathUtils::DeltaR(CleanElectrons->At(j)->Mom(),
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tau->Mom());
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if (deltaR < fMinDeltaRToElectron) {
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isElectronOverlap = kTRUE;
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break;
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}
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}
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}
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if (isElectronOverlap)
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continue;
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Bool_t isMuonOverlap = false;
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// check for overlap with an Muon
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if (CleanMuons) {
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UInt_t n2 = CleanMuons->GetEntries();
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for (UInt_t j=0; j<n2; j++) {
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Double_t deltaR = MathUtils::DeltaR(CleanMuons->At(j)->Mom(),
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tau->Mom());
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if (deltaR < fMinDeltaRToMuon) {
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isMuonOverlap = kTRUE;
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break;
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}
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}
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}
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if (isMuonOverlap)
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continue;
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CleanPFTaus->Add(tau);
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}
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// sort according to pt
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CleanPFTaus->Sort();
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// add to event for other modules to use
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AddObjThisEvt(CleanPFTaus);
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}
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