File indexing completed on 2024-04-06 12:09:12
0001
0002
0003
0004 #include "DataFormats/BeamSpot/interface/BeamSpot.h"
0005 #include "DataFormats/Common/interface/Handle.h"
0006 #include "DataFormats/EgammaCandidates/interface/Electron.h"
0007 #include "DataFormats/EgammaCandidates/interface/GsfElectron.h"
0008 #include "DataFormats/EgammaCandidates/interface/GsfElectronFwd.h"
0009 #include "DataFormats/EgammaReco/interface/BasicCluster.h"
0010 #include "DataFormats/GsfTrackReco/interface/GsfTrack.h"
0011 #include "DataFormats/TrackReco/interface/HitPattern.h"
0012 #include "DataFormats/TrackReco/interface/TrackFwd.h"
0013 #include "FWCore/Framework/interface/Event.h"
0014 #include "FWCore/Framework/interface/Frameworkfwd.h"
0015 #include "FWCore/Framework/interface/stream/EDFilter.h"
0016 #include "FWCore/MessageLogger/interface/MessageLogger.h"
0017 #include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
0018 #include "FWCore/ParameterSet/interface/ParameterSet.h"
0019 #include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
0020
0021
0022 #include "TLorentzVector.h"
0023
0024 class ZtoEEEventSelector : public edm::stream::EDFilter<> {
0025 public:
0026 explicit ZtoEEEventSelector(const edm::ParameterSet&);
0027 bool filter(edm::Event&, edm::EventSetup const&) override;
0028 static void fillDescriptions(edm::ConfigurationDescriptions& descriptions);
0029
0030 private:
0031
0032 const edm::InputTag electronTag_;
0033 const edm::InputTag bsTag_;
0034 const edm::EDGetTokenT<reco::GsfElectronCollection> electronToken_;
0035 const edm::EDGetTokenT<reco::BeamSpot> bsToken_;
0036
0037 const double maxEta_;
0038 const double minPt_;
0039 const double maxDeltaPhiInEB_;
0040 const double maxDeltaEtaInEB_;
0041 const double maxHOEEB_;
0042 const double maxSigmaiEiEEB_;
0043 const double maxDeltaPhiInEE_;
0044 const double maxDeltaEtaInEE_;
0045 const double maxHOEEE_;
0046 const double maxSigmaiEiEEE_;
0047 const double maxNormChi2_;
0048 const double maxD0_;
0049 const double maxDz_;
0050 const int minPixelHits_;
0051 const int minStripHits_;
0052 const double maxIso_;
0053 const double minPtHighest_;
0054 const double minInvMass_;
0055 const double maxInvMass_;
0056 };
0057
0058 using namespace std;
0059 using namespace edm;
0060
0061 void ZtoEEEventSelector::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
0062 edm::ParameterSetDescription desc;
0063 desc.addUntracked<edm::InputTag>("electronInputTag", edm::InputTag("gedGsfElectrons"));
0064 desc.addUntracked<edm::InputTag>("offlineBeamSpot", edm::InputTag("offlineBeamSpot"));
0065 desc.addUntracked<double>("maxEta", 2.4);
0066 desc.addUntracked<double>("minPt", 5);
0067 desc.addUntracked<double>("maxDeltaPhiInEB", .15);
0068 desc.addUntracked<double>("maxDeltaEtaInEB", .007);
0069 desc.addUntracked<double>("maxHOEEB", .12);
0070 desc.addUntracked<double>("maxSigmaiEiEEB", .01);
0071 desc.addUntracked<double>("maxDeltaPhiInEE", .1);
0072 desc.addUntracked<double>("maxDeltaEtaInEE", .009);
0073 desc.addUntracked<double>("maxHOEEB_", .10);
0074 desc.addUntracked<double>("maxSigmaiEiEEE", .03);
0075 desc.addUntracked<double>("maxNormChi2", 1000);
0076 desc.addUntracked<double>("maxD0", 0.02);
0077 desc.addUntracked<double>("maxDz", 20.);
0078 desc.addUntracked<uint32_t>("minPixelHits", 1);
0079 desc.addUntracked<uint32_t>("minStripHits", 8);
0080 desc.addUntracked<double>("maxIso", 0.3);
0081 desc.addUntracked<double>("minPtHighest", 24);
0082 desc.addUntracked<double>("minInvMass", 75);
0083 desc.addUntracked<double>("maxInvMass", 105);
0084 descriptions.addWithDefaultLabel(desc);
0085 }
0086
0087 ZtoEEEventSelector::ZtoEEEventSelector(const edm::ParameterSet& ps)
0088 : electronTag_(ps.getUntrackedParameter<edm::InputTag>("electronInputTag", edm::InputTag("gedGsfElectrons"))),
0089 bsTag_(ps.getUntrackedParameter<edm::InputTag>("offlineBeamSpot", edm::InputTag("offlineBeamSpot"))),
0090 electronToken_(consumes<reco::GsfElectronCollection>(electronTag_)),
0091 bsToken_(consumes<reco::BeamSpot>(bsTag_)),
0092 maxEta_(ps.getUntrackedParameter<double>("maxEta", 2.4)),
0093 minPt_(ps.getUntrackedParameter<double>("minPt", 5)),
0094 maxDeltaPhiInEB_(ps.getUntrackedParameter<double>("maxDeltaPhiInEB", .15)),
0095 maxDeltaEtaInEB_(ps.getUntrackedParameter<double>("maxDeltaEtaInEB", .007)),
0096 maxHOEEB_(ps.getUntrackedParameter<double>("maxHOEEB", .12)),
0097 maxSigmaiEiEEB_(ps.getUntrackedParameter<double>("maxSigmaiEiEEB", .01)),
0098 maxDeltaPhiInEE_(ps.getUntrackedParameter<double>("maxDeltaPhiInEE", .1)),
0099 maxDeltaEtaInEE_(ps.getUntrackedParameter<double>("maxDeltaEtaInEE", .009)),
0100 maxHOEEE_(ps.getUntrackedParameter<double>("maxHOEEB_", .10)),
0101 maxSigmaiEiEEE_(ps.getUntrackedParameter<double>("maxSigmaiEiEEE", .03)),
0102 maxNormChi2_(ps.getUntrackedParameter<double>("maxNormChi2", 1000)),
0103 maxD0_(ps.getUntrackedParameter<double>("maxD0", 0.02)),
0104 maxDz_(ps.getUntrackedParameter<double>("maxDz", 20.)),
0105 minPixelHits_(ps.getUntrackedParameter<uint32_t>("minPixelHits", 1)),
0106 minStripHits_(ps.getUntrackedParameter<uint32_t>("minStripHits", 8)),
0107 maxIso_(ps.getUntrackedParameter<double>("maxIso", 0.3)),
0108 minPtHighest_(ps.getUntrackedParameter<double>("minPtHighest", 24)),
0109 minInvMass_(ps.getUntrackedParameter<double>("minInvMass", 75)),
0110 maxInvMass_(ps.getUntrackedParameter<double>("maxInvMass", 105)) {}
0111
0112 bool ZtoEEEventSelector::filter(edm::Event& iEvent, edm::EventSetup const& iSetup) {
0113
0114 edm::Handle<reco::GsfElectronCollection> electronColl;
0115 iEvent.getByToken(electronToken_, electronColl);
0116
0117 edm::Handle<reco::BeamSpot> beamSpot;
0118 iEvent.getByToken(bsToken_, beamSpot);
0119
0120 std::vector<TLorentzVector> list;
0121 std::vector<int> chrgeList;
0122
0123 if (electronColl.isValid()) {
0124 for (auto const& ele : *electronColl) {
0125 if (!ele.ecalDriven())
0126 continue;
0127 if (ele.pt() < minPt_)
0128 continue;
0129
0130 if (!(ele.isEB() || ele.isEE()))
0131 continue;
0132
0133 double hOverE = ele.hadronicOverEm();
0134 double sigmaee = ele.sigmaIetaIeta();
0135 double deltaPhiIn = ele.deltaPhiSuperClusterTrackAtVtx();
0136 double deltaEtaIn = ele.deltaEtaSuperClusterTrackAtVtx();
0137
0138
0139 if (ele.isEB()) {
0140 if (fabs(deltaPhiIn) >= maxDeltaPhiInEB_ && fabs(deltaEtaIn) >= maxDeltaEtaInEB_ && hOverE >= maxHOEEB_ &&
0141 sigmaee >= maxSigmaiEiEEB_)
0142 continue;
0143 } else if (ele.isEE()) {
0144 if (fabs(deltaPhiIn) >= maxDeltaPhiInEE_ && fabs(deltaEtaIn) >= maxDeltaEtaInEE_ && hOverE >= maxHOEEE_ &&
0145 sigmaee >= maxSigmaiEiEEE_)
0146 continue;
0147 }
0148
0149 reco::GsfTrackRef trk = ele.gsfTrack();
0150 if (!trk.isNonnull())
0151 continue;
0152 double chi2 = trk->chi2();
0153 double ndof = trk->ndof();
0154 double chbyndof = (ndof > 0) ? chi2 / ndof : 0;
0155 if (chbyndof >= maxNormChi2_)
0156 continue;
0157
0158 double trkd0 = trk->d0();
0159 if (beamSpot.isValid()) {
0160 trkd0 = -(trk->dxy(beamSpot->position()));
0161 } else {
0162 edm::LogError("ZtoEEEventSelector") << "Error >> Failed to get BeamSpot for label: " << bsTag_;
0163 }
0164 if (std::fabs(trkd0) >= maxD0_)
0165 continue;
0166
0167 const reco::HitPattern& hitp = trk->hitPattern();
0168 int nPixelHits = hitp.numberOfValidPixelHits();
0169 if (nPixelHits < minPixelHits_)
0170 continue;
0171
0172 int nStripHits = hitp.numberOfValidStripHits();
0173 if (nStripHits < minStripHits_)
0174 continue;
0175
0176
0177 reco::GsfElectron::PflowIsolationVariables pfIso = ele.pfIsolationVariables();
0178 float absiso =
0179 pfIso.sumChargedHadronPt + std::max(0.0, pfIso.sumNeutralHadronEt + pfIso.sumPhotonEt - 0.5 * pfIso.sumPUPt);
0180 float eiso = absiso / (ele.pt());
0181 if (eiso > maxIso_)
0182 continue;
0183
0184 TLorentzVector lv;
0185 lv.SetPtEtaPhiE(ele.pt(), ele.eta(), ele.phi(), ele.energy());
0186 list.push_back(lv);
0187 chrgeList.push_back(ele.charge());
0188 }
0189 } else {
0190 edm::LogError("ZtoEEEventSelector") << "Error >> Failed to get ElectronCollection for label: " << electronTag_;
0191 }
0192 if (list.size() < 2)
0193 return false;
0194 if (chrgeList[0] + chrgeList[1] != 0)
0195 return false;
0196
0197 if (list[0].Pt() < minPtHighest_)
0198 return false;
0199 TLorentzVector zv = list[0] + list[1];
0200 if (zv.M() < minInvMass_ || zv.M() > maxInvMass_)
0201 return false;
0202
0203 return true;
0204 }
0205
0206 #include "FWCore/Framework/interface/MakerMacros.h"
0207 DEFINE_FWK_MODULE(ZtoEEEventSelector);