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#include "MitProd/TreeFiller/interface/FillerDCASig.h"
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#include "DataFormats/Common/interface/RefToPtr.h"
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#include "MitEdm/DataFormats/interface/RefToBaseToPtr.h"
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#include "MitAna/DataTree/interface/DCASigCol.h"
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#include "MitAna/DataTree/interface/Names.h"
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#include "MitProd/ObjectService/interface/ObjectService.h"
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#include "DataFormats/GsfTrackReco/interface/GsfTrack.h"
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#include "TrackingTools/Records/interface/TransientTrackRecord.h"
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#include "TrackingTools/Records/interface/TransientRecHitRecord.h"
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#include "TrackingTools/TransientTrack/interface/TransientTrack.h"
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#include "TrackingTools/PatternTools/interface/Trajectory.h"
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#include "TrackingTools/PatternTools/interface/TrajectoryMeasurement.h"
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#include "TrackingTools/PatternTools/interface/ClosestApproachInRPhi.h"
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#include "TrackingTools/PatternTools/interface/TwoTrackMinimumDistance.h"
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#include "RecoVertex/KinematicFitPrimitives/interface/KinematicParticleFactoryFromTransientTrack.h"
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using namespace std;
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using namespace edm;
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using namespace mithep;
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//--------------------------------------------------------------------------------------------------
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FillerDCASig::FillerDCASig(const ParameterSet &cfg, const char *name, bool active) :
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BaseFiller(cfg,name,active),
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edmElectronName_(Conf().getUntrackedParameter<string>("edmElectronName","gsfElectrons")),
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edmMuonName_(Conf().getUntrackedParameter<string>("edmMuonName","muons")),
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edmTauName_(Conf().getUntrackedParameter<string>("edmTauName","hpsPFTauProducer")),
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mitName_(Conf().getUntrackedParameter<string>("mitName","DCASig")),
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electronMapName_(Conf().getUntrackedParameter<string>("electronMapName","")),
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muonMapName_(Conf().getUntrackedParameter<string>("muonMapName","")),
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tauMapName_(Conf().getUntrackedParameter<string>("tauMapName","")),
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electronPtMin_(Conf().getUntrackedParameter<double>("electronPtMin",5.)),
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muonPtMin_(Conf().getUntrackedParameter<double>("muonPtMin",5.)),
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tauPtMin_(Conf().getUntrackedParameter<double>("tauPtMin",10.)),
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checkDCARef_(Conf().getUntrackedParameter<bool>("checkDCARef","False")),
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DCASigs_(new mithep::DCASigArr),
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transientTrackBuilder_(0)
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{
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}
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//--------------------------------------------------------------------------------------------------
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FillerDCASig::~FillerDCASig()
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{
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// Destructor.
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delete DCASigs_;
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}
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//--------------------------------------------------------------------------------------------------
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void FillerDCASig::BookDataBlock(TreeWriter &tws)
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{
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// Add DCA to the tree
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tws.AddBranch(mitName_,&DCASigs_);
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OS()->add<mithep::DCASigArr>(DCASigs_,mitName_);
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//Load Lepton Maps
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if (!muonMapName_.empty()) {
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muonMap_ = OS()->get<MuonMap>(muonMapName_);
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if (muonMap_)
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AddBranchDep(mitName_,muonMap_->GetBrName());
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}
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if (!electronMapName_.empty()) {
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electronMap_ = OS()->get<ElectronMap>(electronMapName_);
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if (electronMap_)
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AddBranchDep(mitName_,electronMap_->GetBrName());
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}
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if (!tauMapName_.empty()) {
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tauMap_ = OS()->get<PFTauMap>(tauMapName_);
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if (tauMap_)
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AddBranchDep(mitName_,tauMap_->GetBrName());
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}
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}
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//--------------------------------------------------------------------------------------------------
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void FillerDCASig::FillDataBlock(const edm::Event &event,
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const edm::EventSetup &setup)
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{
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// Fill conversions data structure and maps.
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DCASigs_->Delete();
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//Transient Track Buildder
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edm::ESHandle<TransientTrackBuilder> builder;
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setup.get<TransientTrackRecord>().get("TransientTrackBuilder",builder);
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transientTrackBuilder_ = builder.product();
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//handle for the electron collection
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Handle<reco::GsfElectronCollection> hElectronProduct;
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GetProduct(edmElectronName_, hElectronProduct, event);
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const reco::GsfElectronCollection inElectrons = *(hElectronProduct.product());
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//handle for the muon collection
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Handle<reco::MuonCollection> hMuonProduct;
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GetProduct(edmMuonName_, hMuonProduct, event);
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const reco::MuonCollection inMuons = *(hMuonProduct.product());
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// handle for the tau collection
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Handle<reco::PFTauCollection> hTauProduct;
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GetProduct(edmTauName_, hTauProduct, event);
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const reco::PFTauCollection inTaus = *(hTauProduct.product());
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//Declare some variables
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Double_t lDCA3D = 0; //3D x-y DCA
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Double_t lDCA3DE = 0; //3D x-y DCA Err
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Double_t lDCA2D = 0; //2D x-y DCA
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Double_t lDCA2DE = 0; //2D x-y DCA Err
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Double_t lDCARPhi3D = 0; //3D r-phi DCA
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Double_t lDCARPhi3DE = 0; //3D r-phi DCA Err
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Double_t lDCARPhi2D = 0; //2D r-phi DCA
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Double_t lDCARPhi2DE = 0; //2D r-phi DCA Err
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//Loop through the electrons
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for (reco::GsfElectronCollection::const_iterator iElectron = inElectrons.begin();
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iElectron != inElectrons.end(); ++iElectron) {
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if(iElectron->pt() < electronPtMin_) continue;
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//Loop through the muons
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for (reco::MuonCollection::const_iterator iMuon = inMuons.begin(); iMuon != inMuons.end(); ++iMuon) {
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if(iMuon->pt() < muonPtMin_) continue;
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//Declare the Object
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const reco::Track * trackElec = (const reco::Track*)(iElectron->gsfTrack().get()); // electron Track
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const reco::Track * trackMuon = (const reco::Track*)(iMuon->innerTrack() .get()); // muon inner track
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if(trackMuon == NULL || trackElec == NULL || trackElec == trackMuon) continue;
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mithep::DCASig *outDCASig = DCASigs_->AddNew();
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calculateDCA(lDCA3D ,lDCA3DE ,lDCA2D ,lDCA2DE,
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lDCARPhi3D,lDCARPhi3DE,lDCARPhi2D,lDCARPhi2DE,
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trackElec,trackMuon,DCASig::eEMu);
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outDCASig->SetDCA2D (lDCA2D); outDCASig->SetDCA2DErr (lDCA2DE);
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outDCASig->SetDCA3D (lDCA3D); outDCASig->SetDCA3DErr (lDCA3DE);
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outDCASig->SetDCA2DRPhi(lDCARPhi2D); outDCASig->SetDCA2DRPhiErr(lDCARPhi2DE);
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outDCASig->SetDCA3DRPhi(lDCARPhi3D); outDCASig->SetDCA3DRPhiErr(lDCARPhi3DE);
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outDCASig->SetType(DCASig::eEMu);
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//Now the references
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edm::Ptr<reco::GsfElectron> pElectronPtr(hElectronProduct, iElectron - inElectrons.begin());
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try{outDCASig->SetElectron(electronMap_->GetMit(pElectronPtr));}
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catch(...) {
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if(checkDCARef_) throw edm::Exception(edm::errors::Configuration, "FillerDCASig:FillDataBlock()\n")
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<< "Error! Electron unmapped collection " << edmElectronName_ << endl;
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}
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edm::Ptr<reco::Muon> pMuonPtr(hMuonProduct, iMuon - inMuons.begin());
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try{outDCASig->SetMuon (muonMap_->GetMit(pMuonPtr));}
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catch(...) {
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if(checkDCARef_) throw edm::Exception(edm::errors::Configuration, "FillerDCASig:FillDataBlock()\n")
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<< "Error! Muon unmapped collection " << edmMuonName_ << endl;
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}
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}
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//E+Tau objects
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for (reco::PFTauCollection::const_iterator iTau = inTaus.begin();
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iTau != inTaus.end(); ++iTau) {
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if(iTau->pt() < tauPtMin_) continue;
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//Declare the Object
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const reco::Track * trackElec = (const reco::Track*)(iElectron->gsfTrack() .get()); // electron Track
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if(iTau ->leadPFChargedHadrCand().isNull()) { continue;}
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const reco::Track * trackTau = (const reco::Track*)(iTau ->leadPFChargedHadrCand()->trackRef().get()); // Tau lead track
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if(trackTau == NULL || trackElec == NULL || trackTau == trackElec) continue;
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mithep::DCASig *outDCASig = DCASigs_->AddNew();
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calculateDCA(lDCA3D ,lDCA3DE ,lDCA2D ,lDCA2DE,
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lDCARPhi3D,lDCARPhi3DE,lDCARPhi2D,lDCARPhi2DE,
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trackElec,trackTau,DCASig::eETau);
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outDCASig->SetDCA2D (lDCA2D); outDCASig->SetDCA2DErr (lDCA2DE);
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outDCASig->SetDCA3D (lDCA3D); outDCASig->SetDCA3DErr (lDCA3DE);
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outDCASig->SetDCA2DRPhi(lDCARPhi2D); outDCASig->SetDCA2DRPhiErr(lDCARPhi2DE);
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outDCASig->SetDCA3DRPhi(lDCARPhi3D); outDCASig->SetDCA3DRPhiErr(lDCARPhi3DE);
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outDCASig->SetType(DCASig::eETau);
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//Now the references
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edm::Ptr<reco::GsfElectron> pElectronPtr(hElectronProduct, iElectron - inElectrons.begin());
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try{outDCASig->SetElectron(electronMap_->GetMit(pElectronPtr));}
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catch(...) {
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if(checkDCARef_) throw edm::Exception(edm::errors::Configuration, "FillerDCASig:FillDataBlock()\n")
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<< "Error! Electron unmapped collection " << edmElectronName_ << endl;
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}
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edm::Ptr<reco::PFTau> pTauPtr (hTauProduct, iTau - inTaus.begin());
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//std::cout << " ===> Tau Ref : " << &pTauPtr << " -- " << ((tauMap_->GetMit(pTauPtr))) << endl;
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try{outDCASig->SetTau (tauMap_ ->GetMit(pTauPtr));}
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catch(...) {
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if(checkDCARef_) throw edm::Exception(edm::errors::Configuration, "FillerDCASig:FillDataBlock()\n")
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<< "Error! Tau unmapped collection " << edmTauName_ << endl;
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}
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}
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//E + E Objects
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for (reco::GsfElectronCollection::const_iterator iElectron1 = iElectron+1;
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iElectron1 != inElectrons.end(); ++iElectron1) {
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if(iElectron1->pt() < electronPtMin_) continue;
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//Declare the Object
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const reco::Track * trackElec0 = (const reco::Track*)(iElectron ->gsfTrack().get()); // electron Track
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const reco::Track * trackElec1 = (const reco::Track*)(iElectron1->gsfTrack().get()); // electron Track
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if(trackElec1 == NULL || trackElec0 == NULL || trackElec0 == trackElec1) continue;
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mithep::DCASig *outDCASig = DCASigs_->AddNew();
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calculateDCA(lDCA3D ,lDCA3DE ,lDCA2D ,lDCA2DE,
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lDCARPhi3D,lDCARPhi3DE,lDCARPhi2D,lDCARPhi2DE,
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trackElec0,trackElec1,DCASig::eEE);
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outDCASig->SetDCA2D (lDCA2D); outDCASig->SetDCA2DErr (lDCA2DE);
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outDCASig->SetDCA3D (lDCA3D); outDCASig->SetDCA3DErr (lDCA3DE);
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outDCASig->SetDCA2DRPhi(lDCARPhi2D); outDCASig->SetDCA2DRPhiErr(lDCARPhi2DE);
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outDCASig->SetDCA3DRPhi(lDCARPhi3D); outDCASig->SetDCA3DRPhiErr(lDCARPhi3DE);
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outDCASig->SetType(DCASig::eEE);
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//Now the references
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edm::Ptr<reco::GsfElectron> pElectronPtr (hElectronProduct, iElectron - inElectrons.begin());
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try{outDCASig->SetElectron(electronMap_->GetMit(pElectronPtr));}
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catch(...) {
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if(checkDCARef_) throw edm::Exception(edm::errors::Configuration, "FillerDCASig:FillDataBlock()\n")
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<< "Error! Electron unmapped collection " << edmElectronName_ << endl;
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}
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edm::Ptr<reco::GsfElectron> pElectron1Ptr(hElectronProduct, iElectron1 - inElectrons.begin());
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try{outDCASig->SetElectron(electronMap_->GetMit(pElectron1Ptr),true);}
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catch(...) {
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if(checkDCARef_) throw edm::Exception(edm::errors::Configuration, "FillerDCASig:FillDataBlock()\n")
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<< "Error! Electron unmapped collection " << edmElectronName_ << endl;
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}
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}
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}
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//Now the Mu Tau combination
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for (reco::MuonCollection::const_iterator iMuon = inMuons.begin(); iMuon != inMuons.end(); ++iMuon) {
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if(iMuon->pt() < muonPtMin_) continue;
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for (reco::PFTauCollection::const_iterator iTau = inTaus.begin();
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iTau != inTaus.end(); ++iTau) {
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if(iTau->pt() < tauPtMin_) continue;
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const reco::Track * trackMuon = (const reco::Track*)(iMuon->innerTrack() .get()); // muon inner track
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if(iTau ->leadPFChargedHadrCand().isNull()) { continue;}
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const reco::Track * trackTau = (const reco::Track*)(iTau ->leadPFChargedHadrCand()->trackRef().get()); // Tau lead track
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if(trackTau == NULL || trackMuon == NULL || trackTau == trackMuon) continue;
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calculateDCA(lDCA3D ,lDCA3DE ,lDCA2D ,lDCA2DE,
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lDCARPhi3D,lDCARPhi3DE,lDCARPhi2D,lDCARPhi2DE,
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trackMuon,trackTau,DCASig::eMuTau);
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mithep::DCASig *outDCASig = DCASigs_->AddNew();
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outDCASig->SetDCA2D (lDCA2D); outDCASig->SetDCA2DErr (lDCA2DE);
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outDCASig->SetDCA3D (lDCA3D); outDCASig->SetDCA3DErr (lDCA3DE);
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outDCASig->SetDCA2DRPhi(lDCARPhi2D); outDCASig->SetDCA2DRPhiErr(lDCARPhi2DE);
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outDCASig->SetDCA3DRPhi(lDCARPhi3D); outDCASig->SetDCA3DRPhiErr(lDCARPhi3DE);
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outDCASig->SetType(DCASig::eMuTau);
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//Now the references
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edm::Ptr<reco::Muon> pMuonPtr(hMuonProduct, iMuon - inMuons.begin());
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try{outDCASig->SetMuon (muonMap_->GetMit(pMuonPtr));}
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catch(...) {
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| 245 |
if(checkDCARef_) throw edm::Exception(edm::errors::Configuration, "FillerDCASig:FillDataBlock()\n")
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<< "Error! Muon unmapped collection " << edmMuonName_ << endl;
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}
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edm::Ptr<reco::PFTau> pTauPtr (hTauProduct, iTau - inTaus.begin());
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try{outDCASig->SetTau (tauMap_ ->GetMit(pTauPtr));}
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| 250 |
catch(...) {
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| 251 |
if(checkDCARef_) throw edm::Exception(edm::errors::Configuration, "FillerDCASig:FillDataBlock()\n")
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| 252 |
<< "Error! Tau unmapped collection " << edmTauName_ << endl;
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| 253 |
}
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}
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| 255 |
//Mu + MU
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| 256 |
for (reco::MuonCollection::const_iterator iMuon1 = iMuon+1;
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| 257 |
iMuon1 != inMuons.end(); ++iMuon1) {
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| 258 |
if(iMuon1->pt() < muonPtMin_) continue;
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| 259 |
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| 260 |
const reco::Track * trackMuon0 = (const reco::Track*)(iMuon ->innerTrack() .get()); // muon inner track
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| 261 |
const reco::Track * trackMuon1 = (const reco::Track*)(iMuon1->innerTrack() .get()); // muon inner track
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| 262 |
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| 263 |
if(trackMuon1 == NULL || trackMuon0 == NULL || trackMuon0 == trackMuon1) continue;
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| 264 |
calculateDCA(lDCA3D ,lDCA3DE ,lDCA2D ,lDCA2DE,
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| 265 |
lDCARPhi3D,lDCARPhi3DE,lDCARPhi2D,lDCARPhi2DE,
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| 266 |
trackMuon0,trackMuon1,DCASig::eMuMu);
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| 267 |
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| 268 |
mithep::DCASig *outDCASig = DCASigs_->AddNew();
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| 269 |
outDCASig->SetDCA2D (lDCA2D); outDCASig->SetDCA2DErr (lDCA2DE);
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| 270 |
outDCASig->SetDCA3D (lDCA3D); outDCASig->SetDCA3DErr (lDCA3DE);
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| 271 |
outDCASig->SetDCA2DRPhi(lDCARPhi2D); outDCASig->SetDCA2DRPhiErr(lDCARPhi2DE);
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| 272 |
outDCASig->SetDCA3DRPhi(lDCARPhi3D); outDCASig->SetDCA3DRPhiErr(lDCARPhi3DE);
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| 273 |
outDCASig->SetType(DCASig::eMuMu);
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| 274 |
//Now the references
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| 275 |
edm::Ptr<reco::Muon> pMuon0Ptr(hMuonProduct, iMuon - inMuons.begin());
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| 276 |
try{outDCASig->SetMuon (muonMap_->GetMit(pMuon0Ptr));}
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| 277 |
catch(...) {
|
| 278 |
if(checkDCARef_) throw edm::Exception(edm::errors::Configuration, "FillerDCASig:FillDataBlock()\n")
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| 279 |
<< "Error! Muon unmapped collection " << edmMuonName_ << endl;
|
| 280 |
}
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| 281 |
edm::Ptr<reco::Muon> pMuon1Ptr(hMuonProduct, iMuon1 - inMuons.begin());
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| 282 |
try{outDCASig->SetMuon (muonMap_->GetMit(pMuon1Ptr),true);}
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| 283 |
catch(...) {
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| 284 |
if(checkDCARef_) throw edm::Exception(edm::errors::Configuration, "FillerDCASig:FillDataBlock()\n")
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| 285 |
<< "Error! Muon unmapped collection " << edmMuonName_ << endl;
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| 286 |
}
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| 287 |
}
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| 288 |
}
|
| 289 |
for (reco::PFTauCollection::const_iterator iTau0 = inTaus.begin();
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| 290 |
iTau0 != inTaus.end(); ++iTau0) {
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| 291 |
if(iTau0->pt() < tauPtMin_) continue;
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| 292 |
for (reco::PFTauCollection::const_iterator iTau1 = iTau0+1;
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| 293 |
iTau1 != inTaus.end(); ++iTau1) {
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| 294 |
if(iTau0 == iTau1) continue;
|
| 295 |
if(iTau1->pt() < tauPtMin_) continue;
|
| 296 |
|
| 297 |
if(iTau0 ->leadPFChargedHadrCand().isNull()) { continue;}
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| 298 |
if(iTau1 ->leadPFChargedHadrCand().isNull()) { continue;}
|
| 299 |
const reco::Track * trackTau0 = (const reco::Track*)(iTau0 ->leadPFChargedHadrCand()->trackRef().get()); // Tau lead track
|
| 300 |
const reco::Track * trackTau1 = (const reco::Track*)(iTau1 ->leadPFChargedHadrCand()->trackRef().get()); // Tau lead track
|
| 301 |
|
| 302 |
if(trackTau1 == NULL || trackTau0 == NULL || trackTau0 == trackTau1) continue;
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| 303 |
calculateDCA(lDCA3D ,lDCA3DE ,lDCA2D ,lDCA2DE,
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| 304 |
lDCARPhi3D,lDCARPhi3DE,lDCARPhi2D,lDCARPhi2DE,
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| 305 |
trackTau0,trackTau1,DCASig::eTauTau);
|
| 306 |
|
| 307 |
mithep::DCASig *outDCASig = DCASigs_->AddNew();
|
| 308 |
|
| 309 |
outDCASig->SetDCA2D (lDCA2D); outDCASig->SetDCA2DErr (lDCA2DE);
|
| 310 |
outDCASig->SetDCA3D (lDCA3D); outDCASig->SetDCA3DErr (lDCA3DE);
|
| 311 |
outDCASig->SetDCA2DRPhi(lDCARPhi2D); outDCASig->SetDCA2DRPhiErr(lDCARPhi2DE);
|
| 312 |
outDCASig->SetDCA3DRPhi(lDCARPhi3D); outDCASig->SetDCA3DRPhiErr(lDCARPhi3DE);
|
| 313 |
outDCASig->SetType(DCASig::eTauTau);
|
| 314 |
//Now the references
|
| 315 |
edm::Ptr<reco::PFTau> pTau0Ptr (hTauProduct, iTau0 - inTaus.begin());
|
| 316 |
try{outDCASig->SetTau (tauMap_ ->GetMit(pTau0Ptr));}
|
| 317 |
catch(...) {
|
| 318 |
if(checkDCARef_) throw edm::Exception(edm::errors::Configuration, "FillerDCASig:FillDataBlock()\n")
|
| 319 |
<< "Error! Tau unmapped collection " << edmTauName_ << endl;
|
| 320 |
}
|
| 321 |
edm::Ptr<reco::PFTau> pTau1Ptr (hTauProduct, iTau1 - inTaus.begin());
|
| 322 |
try{outDCASig->SetTau (tauMap_ ->GetMit(pTau1Ptr),true);}
|
| 323 |
catch(...) {
|
| 324 |
if(checkDCARef_) throw edm::Exception(edm::errors::Configuration, "FillerDCASig:FillDataBlock()\n")
|
| 325 |
<< "Error! Tau unmapped collection " << edmTauName_ << endl;
|
| 326 |
}
|
| 327 |
}
|
| 328 |
}
|
| 329 |
DCASigs_->Trim();
|
| 330 |
}
|
| 331 |
//--------------------------------------------------------------------------------------------------
|
| 332 |
//Get DCA Significane
|
| 333 |
void FillerDCASig::calculateDCA(Double_t &iDCA3D ,Double_t &iDCA3DE ,Double_t &iDCA2D ,Double_t &iDCA2DE,
|
| 334 |
Double_t &iDCARPhi3D,Double_t &iDCARPhi3DE,Double_t &iDCARPhi2D,Double_t &iDCARPhi2DE,
|
| 335 |
const reco::Track *iTrack1,const reco::Track *iTrack2,mithep::DCASig::EDCAType iType) {
|
| 336 |
iDCA3D = -1.0;
|
| 337 |
iDCA3DE = -1.0;
|
| 338 |
iDCA2D = -1.0;
|
| 339 |
iDCA2DE = -1.0;
|
| 340 |
iDCARPhi3D = -1.0;
|
| 341 |
iDCARPhi3DE = -1.0;
|
| 342 |
iDCARPhi2D = -1.0;
|
| 343 |
iDCARPhi2DE = -1.0;
|
| 344 |
|
| 345 |
if (iTrack1==NULL) return;
|
| 346 |
if (iTrack2==NULL) return;
|
| 347 |
|
| 348 |
ParticleMass pion_mass = 0.139657;
|
| 349 |
float pion_sigma = pion_mass*1.e-6;
|
| 350 |
|
| 351 |
ParticleMass muon_mass = 0.105658;
|
| 352 |
float muon_sigma = muon_mass*1.e-6;
|
| 353 |
|
| 354 |
ParticleMass elec_mass = 0.000511;
|
| 355 |
float elec_sigma = elec_mass*1.e-6;
|
| 356 |
|
| 357 |
float mass1 = elec_mass;
|
| 358 |
float mass2 = muon_mass;
|
| 359 |
|
| 360 |
float mass_sigma1 = elec_sigma;
|
| 361 |
float mass_sigma2 = muon_sigma;
|
| 362 |
|
| 363 |
if(iType == DCASig::eETau ) mass1 = pion_sigma;
|
| 364 |
if(iType == DCASig::eEE ) mass2 = elec_sigma;
|
| 365 |
|
| 366 |
if(iType == DCASig::eMuTau ) {mass1 = muon_sigma; mass2 = pion_sigma;}
|
| 367 |
if(iType == DCASig::eMuMu ) {mass1 = muon_sigma; mass2 = muon_sigma;}
|
| 368 |
|
| 369 |
if(iType == DCASig::eTauTau ) {mass1 = pion_sigma; mass2 = pion_sigma;}
|
| 370 |
|
| 371 |
if(iType == DCASig::eETau ) mass_sigma2 = pion_sigma;
|
| 372 |
if(iType == DCASig::eEE ) mass_sigma2 = elec_sigma;
|
| 373 |
|
| 374 |
if(iType == DCASig::eMuTau ) {mass_sigma1 = muon_sigma; mass_sigma2 = pion_sigma;}
|
| 375 |
if(iType == DCASig::eMuMu ) {mass_sigma1 = muon_sigma; mass_sigma2 = muon_sigma;}
|
| 376 |
|
| 377 |
if(iType == DCASig::eTauTau ) {mass_sigma1 = pion_sigma; mass_sigma2 = pion_sigma;}
|
| 378 |
|
| 379 |
reco::TransientTrack transientTrack1;
|
| 380 |
reco::TransientTrack transientTrack2;
|
| 381 |
|
| 382 |
transientTrack1 = transientTrackBuilder_->build(*iTrack1);
|
| 383 |
transientTrack2 = transientTrackBuilder_->build(*iTrack2);
|
| 384 |
reco::TransientTrack * trk1Ptr = & transientTrack1;
|
| 385 |
reco::TransientTrack * trk2Ptr = & transientTrack2;
|
| 386 |
|
| 387 |
FreeTrajectoryState track1State = trk1Ptr->impactPointTSCP().theState();
|
| 388 |
FreeTrajectoryState track2State = trk2Ptr->impactPointTSCP().theState();
|
| 389 |
|
| 390 |
if (trk1Ptr->impactPointTSCP().isValid() && trk2Ptr->impactPointTSCP().isValid()) {
|
| 391 |
|
| 392 |
ClosestApproachInRPhi cApp;
|
| 393 |
TwoTrackMinimumDistance minDist;
|
| 394 |
|
| 395 |
typedef ROOT::Math::SVector<double, 3> SVector3;
|
| 396 |
typedef ROOT::Math::SMatrix<double, 3, 3, ROOT::Math::MatRepSym<double, 3> > SMatrixSym3D;
|
| 397 |
cApp.calculate(track1State,track2State);
|
| 398 |
minDist.calculate(track1State,track2State);
|
| 399 |
if (minDist.status()) {
|
| 400 |
|
| 401 |
minDist.distance();
|
| 402 |
std::pair<GlobalPoint,GlobalPoint> pcaLeptons = minDist.points();
|
| 403 |
GlobalPoint track1PCA = pcaLeptons.first;
|
| 404 |
GlobalPoint track2PCA = pcaLeptons.second;
|
| 405 |
|
| 406 |
//Creating a KinematicParticleFactory
|
| 407 |
KinematicParticleFactoryFromTransientTrack pFactory;
|
| 408 |
|
| 409 |
//initial chi2 and ndf before kinematic fits.
|
| 410 |
float chi = 0.;
|
| 411 |
float ndf = 0.;
|
| 412 |
RefCountedKinematicParticle track1Part = pFactory.particle(transientTrack1,mass1,chi,ndf,mass_sigma1);
|
| 413 |
RefCountedKinematicParticle track2Part = pFactory.particle(transientTrack2,mass2,chi,ndf,mass_sigma2);
|
| 414 |
|
| 415 |
SVector3 distanceVector(track1PCA.x()-track2PCA.x(),
|
| 416 |
track1PCA.y()-track2PCA.y(),
|
| 417 |
track1PCA.z()-track2PCA.z());
|
| 418 |
|
| 419 |
iDCA3D = ROOT::Math::Mag(distanceVector);
|
| 420 |
|
| 421 |
std::vector<float> vvv(6);
|
| 422 |
|
| 423 |
vvv[0] = track1Part->stateAtPoint(track1PCA).kinematicParametersError().matrix()(0,0);
|
| 424 |
vvv[1] = track1Part->stateAtPoint(track1PCA).kinematicParametersError().matrix()(0,1);
|
| 425 |
vvv[2] = track1Part->stateAtPoint(track1PCA).kinematicParametersError().matrix()(1,1);
|
| 426 |
vvv[3] = track1Part->stateAtPoint(track1PCA).kinematicParametersError().matrix()(0,2);
|
| 427 |
vvv[4] = track1Part->stateAtPoint(track1PCA).kinematicParametersError().matrix()(1,2);
|
| 428 |
vvv[5] = track1Part->stateAtPoint(track1PCA).kinematicParametersError().matrix()(2,2);
|
| 429 |
|
| 430 |
SMatrixSym3D track1PCACov(vvv.begin(),vvv.end());
|
| 431 |
|
| 432 |
vvv[0] = track2Part->stateAtPoint(track2PCA).kinematicParametersError().matrix()(0,0);
|
| 433 |
vvv[1] = track2Part->stateAtPoint(track2PCA).kinematicParametersError().matrix()(0,1);
|
| 434 |
vvv[2] = track2Part->stateAtPoint(track2PCA).kinematicParametersError().matrix()(1,1);
|
| 435 |
vvv[3] = track2Part->stateAtPoint(track2PCA).kinematicParametersError().matrix()(0,2);
|
| 436 |
vvv[4] = track2Part->stateAtPoint(track2PCA).kinematicParametersError().matrix()(1,2);
|
| 437 |
vvv[5] = track2Part->stateAtPoint(track2PCA).kinematicParametersError().matrix()(2,2);
|
| 438 |
|
| 439 |
SMatrixSym3D track2PCACov(vvv.begin(),vvv.end());
|
| 440 |
|
| 441 |
SMatrixSym3D totCov = track1PCACov + track2PCACov;
|
| 442 |
|
| 443 |
if(iDCA3D != 0) iDCA3DE = sqrt(ROOT::Math::Similarity(totCov, distanceVector))/iDCA3D;
|
| 444 |
if(iDCA3D == 0) iDCA3DE = 0.;
|
| 445 |
|
| 446 |
distanceVector(2) = 0.0;
|
| 447 |
iDCA2D = ROOT::Math::Mag(distanceVector);
|
| 448 |
if(iDCA2D != 0) iDCA2DE = sqrt(ROOT::Math::Similarity(totCov, distanceVector))/iDCA2D;
|
| 449 |
if(iDCA2D == 0) iDCA2DE = 0.;
|
| 450 |
}
|
| 451 |
if (cApp.status()) {
|
| 452 |
|
| 453 |
cApp.distance();
|
| 454 |
std::pair<GlobalPoint,GlobalPoint> pcaLeptons = cApp.points();
|
| 455 |
GlobalPoint track1PCA = pcaLeptons.first;
|
| 456 |
GlobalPoint track2PCA = pcaLeptons.second;
|
| 457 |
|
| 458 |
//Creating a KinematicParticleFactory
|
| 459 |
KinematicParticleFactoryFromTransientTrack pFactory;
|
| 460 |
|
| 461 |
//initial chi2 and ndf before kinematic fits.
|
| 462 |
float chi = 0.;
|
| 463 |
float ndf = 0.;
|
| 464 |
RefCountedKinematicParticle track1Part = pFactory.particle(transientTrack1,mass1,chi,ndf,mass_sigma1);
|
| 465 |
RefCountedKinematicParticle track2Part = pFactory.particle(transientTrack2,mass2,chi,ndf,mass_sigma2);
|
| 466 |
|
| 467 |
SVector3 distanceVector(track1PCA.x()-track2PCA.x(),
|
| 468 |
track1PCA.y()-track2PCA.y(),
|
| 469 |
track1PCA.z()-track2PCA.z());
|
| 470 |
iDCARPhi3D = ROOT::Math::Mag(distanceVector);
|
| 471 |
|
| 472 |
std::vector<float> vvv(6);
|
| 473 |
|
| 474 |
vvv[0] = track1Part->stateAtPoint(track1PCA).kinematicParametersError().matrix()(0,0);
|
| 475 |
vvv[1] = track1Part->stateAtPoint(track1PCA).kinematicParametersError().matrix()(0,1);
|
| 476 |
vvv[2] = track1Part->stateAtPoint(track1PCA).kinematicParametersError().matrix()(1,1);
|
| 477 |
vvv[3] = track1Part->stateAtPoint(track1PCA).kinematicParametersError().matrix()(0,2);
|
| 478 |
vvv[4] = track1Part->stateAtPoint(track1PCA).kinematicParametersError().matrix()(1,2);
|
| 479 |
vvv[5] = track1Part->stateAtPoint(track1PCA).kinematicParametersError().matrix()(2,2);
|
| 480 |
|
| 481 |
SMatrixSym3D track1PCACov(vvv.begin(),vvv.end());
|
| 482 |
|
| 483 |
vvv[0] = track2Part->stateAtPoint(track2PCA).kinematicParametersError().matrix()(0,0);
|
| 484 |
vvv[1] = track2Part->stateAtPoint(track2PCA).kinematicParametersError().matrix()(0,1);
|
| 485 |
vvv[2] = track2Part->stateAtPoint(track2PCA).kinematicParametersError().matrix()(1,1);
|
| 486 |
vvv[3] = track2Part->stateAtPoint(track2PCA).kinematicParametersError().matrix()(0,2);
|
| 487 |
vvv[4] = track2Part->stateAtPoint(track2PCA).kinematicParametersError().matrix()(1,2);
|
| 488 |
vvv[5] = track2Part->stateAtPoint(track2PCA).kinematicParametersError().matrix()(2,2);
|
| 489 |
|
| 490 |
SMatrixSym3D track2PCACov(vvv.begin(),vvv.end());
|
| 491 |
|
| 492 |
SMatrixSym3D totCov = track1PCACov + track2PCACov;
|
| 493 |
|
| 494 |
if(iDCARPhi3D != 0) iDCARPhi3DE = sqrt(ROOT::Math::Similarity(totCov, distanceVector))/iDCARPhi3D;
|
| 495 |
if(iDCARPhi3D == 0) iDCARPhi3DE = 0.;
|
| 496 |
|
| 497 |
distanceVector(2) = 0.0;
|
| 498 |
iDCARPhi2D = ROOT::Math::Mag(distanceVector);
|
| 499 |
if(iDCARPhi2D != 0) iDCARPhi2DE = sqrt(ROOT::Math::Similarity(totCov, distanceVector))/iDCARPhi2D;
|
| 500 |
if(iDCARPhi2D == 0) iDCARPhi2DE = 0.;
|
| 501 |
}
|
| 502 |
}
|
| 503 |
}
|
| 504 |
|
