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// system includes
#include <memory>
// user includes
#include "DataFormats/BeamSpot/interface/BeamSpot.h"
#include "DataFormats/Common/interface/Handle.h"
#include "DataFormats/EgammaCandidates/interface/Electron.h"
#include "DataFormats/EgammaCandidates/interface/GsfElectron.h"
#include "DataFormats/GsfTrackReco/interface/GsfTrack.h"
#include "DataFormats/TrackReco/interface/HitPattern.h"
#include "DataFormats/TrackReco/interface/TrackExtra.h"
#include "DataFormats/TrackReco/interface/TrackFwd.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/global/EDProducer.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
#include "FWCore/Utilities/interface/InputTag.h"
#include "FWCore/Utilities/interface/StreamID.h"
#include "RecoTracker/TrackProducer/interface/TrackProducerBase.h"
// ROOT includes
#include "TLorentzVector.h"
class ZtoEEElectronTrackProducer : public edm::global::EDProducer<> {
public:
explicit ZtoEEElectronTrackProducer(const edm::ParameterSet&);
~ZtoEEElectronTrackProducer() override = default;
static void fillDescriptions(edm::ConfigurationDescriptions& descriptions);
void produce(edm::StreamID streamID, edm::Event& iEvent, edm::EventSetup const& iSetup) const override;
private:
// ----------member data ---------------------------
const edm::InputTag electronTag_;
const edm::InputTag bsTag_;
const edm::EDGetTokenT<reco::GsfElectronCollection> electronToken_;
const edm::EDGetTokenT<reco::BeamSpot> bsToken_;
const double maxEta_;
const double minPt_;
const double maxDeltaPhiInEB_;
const double maxDeltaEtaInEB_;
const double maxHOEEB_;
const double maxSigmaiEiEEB_;
const double maxDeltaPhiInEE_;
const double maxDeltaEtaInEE_;
const double maxHOEEE_;
const double maxSigmaiEiEEE_;
const double maxNormChi2_;
const double maxD0_;
const double maxDz_;
const int minPixelHits_;
const int minStripHits_;
const double maxIso_;
const double minPtHighest_;
const double minInvMass_;
const double maxInvMass_;
};
using namespace std;
using namespace edm;
void ZtoEEElectronTrackProducer::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
edm::ParameterSetDescription desc;
desc.addUntracked<edm::InputTag>("electronInputTag", edm::InputTag("gedGsfElectrons"));
desc.addUntracked<edm::InputTag>("offlineBeamSpot", edm::InputTag("offlineBeamSpot"));
desc.addUntracked<double>("maxEta", 2.4);
desc.addUntracked<double>("minPt", 5);
desc.addUntracked<double>("maxDeltaPhiInEB", 0.15);
desc.addUntracked<double>("maxDeltaEtaInEB", 0.007);
desc.addUntracked<double>("maxHOEEB", 0.12);
desc.addUntracked<double>("maxSigmaiEiEEB", 0.01);
desc.addUntracked<double>("maxDeltaPhiInEE", 0.1);
desc.addUntracked<double>("maxDeltaEtaInEE", 0.009);
desc.addUntracked<double>("maxHOEEB_", .10);
desc.addUntracked<double>("maxSigmaiEiEEE", 0.03);
desc.addUntracked<double>("maxNormChi2", 10);
desc.addUntracked<double>("maxD0", 0.02);
desc.addUntracked<double>("maxDz", 20.);
desc.addUntracked<unsigned int>("minPixelHits", 1);
desc.addUntracked<unsigned int>("minStripHits", 8);
desc.addUntracked<double>("maxIso", 0.3);
desc.addUntracked<double>("minPtHighest", 24);
desc.addUntracked<double>("minInvMass", 75);
desc.addUntracked<double>("maxInvMass", 105);
descriptions.addWithDefaultLabel(desc);
}
ZtoEEElectronTrackProducer::ZtoEEElectronTrackProducer(const edm::ParameterSet& ps)
: electronTag_(ps.getUntrackedParameter<edm::InputTag>("electronInputTag", edm::InputTag("gedGsfElectrons"))),
bsTag_(ps.getUntrackedParameter<edm::InputTag>("offlineBeamSpot", edm::InputTag("offlineBeamSpot"))),
electronToken_(consumes<reco::GsfElectronCollection>(electronTag_)),
bsToken_(consumes<reco::BeamSpot>(bsTag_)),
maxEta_(ps.getUntrackedParameter<double>("maxEta", 2.4)),
minPt_(ps.getUntrackedParameter<double>("minPt", 5)),
maxDeltaPhiInEB_(ps.getUntrackedParameter<double>("maxDeltaPhiInEB", 0.15)),
maxDeltaEtaInEB_(ps.getUntrackedParameter<double>("maxDeltaEtaInEB", 0.007)),
maxHOEEB_(ps.getUntrackedParameter<double>("maxHOEEB", 0.12)),
maxSigmaiEiEEB_(ps.getUntrackedParameter<double>("maxSigmaiEiEEB", 0.01)),
maxDeltaPhiInEE_(ps.getUntrackedParameter<double>("maxDeltaPhiInEE", 0.1)),
maxDeltaEtaInEE_(ps.getUntrackedParameter<double>("maxDeltaEtaInEE", 0.009)),
maxHOEEE_(ps.getUntrackedParameter<double>("maxHOEEB_", .10)),
maxSigmaiEiEEE_(ps.getUntrackedParameter<double>("maxSigmaiEiEEE", 0.03)),
maxNormChi2_(ps.getUntrackedParameter<double>("maxNormChi2", 10)),
maxD0_(ps.getUntrackedParameter<double>("maxD0", 0.02)),
maxDz_(ps.getUntrackedParameter<double>("maxDz", 20.)),
minPixelHits_(ps.getUntrackedParameter<uint32_t>("minPixelHits", 1)),
minStripHits_(ps.getUntrackedParameter<uint32_t>("minStripHits", 8)),
maxIso_(ps.getUntrackedParameter<double>("maxIso", 0.3)),
minPtHighest_(ps.getUntrackedParameter<double>("minPtHighest", 24)),
minInvMass_(ps.getUntrackedParameter<double>("minInvMass", 75)),
maxInvMass_(ps.getUntrackedParameter<double>("maxInvMass", 105)) {
produces<reco::TrackCollection>("");
}
void ZtoEEElectronTrackProducer::produce(edm::StreamID streamID,
edm::Event& iEvent,
edm::EventSetup const& iSetup) const {
std::unique_ptr<reco::TrackCollection> outputTColl(new reco::TrackCollection());
// Read Electron Collection
edm::Handle<reco::GsfElectronCollection> electronColl;
iEvent.getByToken(electronToken_, electronColl);
edm::Handle<reco::BeamSpot> beamSpot;
iEvent.getByToken(bsToken_, beamSpot);
if (electronColl.isValid()) {
for (auto const& ele : *electronColl) {
if (!ele.ecalDriven())
continue;
if (ele.pt() < minPt_)
continue;
// set a max Eta cut
if (!(ele.isEB() || ele.isEE()))
continue;
double hOverE = ele.hadronicOverEm();
double sigmaee = ele.sigmaIetaIeta();
double deltaPhiIn = ele.deltaPhiSuperClusterTrackAtVtx();
double deltaEtaIn = ele.deltaEtaSuperClusterTrackAtVtx();
// separate cut for barrel and endcap
if (ele.isEB()) {
if (fabs(deltaPhiIn) >= maxDeltaPhiInEB_ && fabs(deltaEtaIn) >= maxDeltaEtaInEB_ && hOverE >= maxHOEEB_ &&
sigmaee >= maxSigmaiEiEEB_)
continue;
} else if (ele.isEE()) {
if (fabs(deltaPhiIn) >= maxDeltaPhiInEE_ && fabs(deltaEtaIn) >= maxDeltaEtaInEE_ && hOverE >= maxHOEEE_ &&
sigmaee >= maxSigmaiEiEEE_)
continue;
}
reco::GsfTrackRef trk = ele.gsfTrack();
reco::TrackRef tk = ele.closestCtfTrackRef();
if (!trk.isNonnull())
continue; // only electrons with tracks
if (!tk.isNonnull())
continue;
double chi2 = trk->chi2();
double ndof = trk->ndof();
double chbyndof = (ndof > 0) ? chi2 / ndof : 0;
if (chbyndof >= maxNormChi2_)
continue;
double trkd0 = trk->d0();
if (beamSpot.isValid()) {
trkd0 = -(trk->dxy(beamSpot->position()));
} else {
edm::LogError("ZtoEEElectronTrackProducer") << "Error >> Failed to get BeamSpot for label: " << bsTag_;
}
if (std::abs(trkd0) >= maxD0_)
continue;
const reco::HitPattern& hitp = trk->hitPattern();
int nPixelHits = hitp.numberOfValidPixelHits();
if (nPixelHits < minPixelHits_)
continue;
int nStripHits = hitp.numberOfValidStripHits();
if (nStripHits < minStripHits_)
continue;
// DB corrected PF Isolation
reco::GsfElectron::PflowIsolationVariables pfIso = ele.pfIsolationVariables();
const float eiso =
pfIso.sumChargedHadronPt + std::max(0.0, pfIso.sumNeutralHadronEt + pfIso.sumPhotonEt - 0.5 * pfIso.sumPUPt);
if (eiso > maxIso_ * ele.pt())
continue;
outputTColl->push_back(*tk);
}
} else {
edm::LogError("ZtoEEElectronTrackProducer")
<< "Error >> Failed to get ElectronCollection for label: " << electronTag_;
}
iEvent.put(std::move(outputTColl));
}
// Define this as a plug-in
#include "FWCore/Framework/interface/MakerMacros.h"
DEFINE_FWK_MODULE(ZtoEEElectronTrackProducer);
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