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// system includes
#include <memory>
// user includes
#include "DataFormats/BeamSpot/interface/BeamSpot.h"
#include "DataFormats/Common/interface/Handle.h"
#include "DataFormats/MuonReco/interface/Muon.h"
#include "DataFormats/MuonReco/interface/MuonFwd.h"
#include "DataFormats/MuonReco/interface/MuonSelectors.h"
#include "DataFormats/TrackReco/interface/HitPattern.h"
#include "DataFormats/TrackReco/interface/TrackExtra.h"
#include "DataFormats/TrackReco/interface/TrackExtraFwd.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 ZtoMMMuonTrackProducer : public edm::global::EDProducer<> {
public:
explicit ZtoMMMuonTrackProducer(const edm::ParameterSet&);
~ZtoMMMuonTrackProducer() 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 muonTag_;
const edm::InputTag bsTag_;
const edm::EDGetTokenT<reco::MuonCollection> muonToken_;
const edm::EDGetTokenT<reco::BeamSpot> bsToken_;
const double maxEta_;
const double minPt_;
const double maxNormChi2_;
const double maxD0_;
const double maxDz_;
const int minPixelHits_;
const int minStripHits_;
const int minChambers_;
const int minMatches_;
const int minMatchedStations_;
const double maxIso_;
const double minPtHighest_;
const double minInvMass_;
const double maxInvMass_;
};
using namespace std;
using namespace edm;
void ZtoMMMuonTrackProducer::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
edm::ParameterSetDescription desc;
desc.addUntracked<edm::InputTag>("muonInputTag", edm::InputTag("muons"));
desc.addUntracked<edm::InputTag>("offlineBeamSpot", edm::InputTag("offlineBeamSpot"));
desc.addUntracked<double>("maxEta", 2.4);
desc.addUntracked<double>("minPt", 5);
desc.addUntracked<double>("maxNormChi2", 1000);
desc.addUntracked<double>("maxD0", 0.02);
desc.addUntracked<double>("maxDz", 20.);
desc.addUntracked<uint32_t>("minPixelHits", 1);
desc.addUntracked<uint32_t>("minStripHits", 8);
desc.addUntracked<uint32_t>("minChambers", 2);
desc.addUntracked<uint32_t>("minMatches", 2);
desc.addUntracked<double>("minMatchedStations", 2);
desc.addUntracked<double>("maxIso", 0.3);
desc.addUntracked<double>("minPtHighest", 24);
desc.addUntracked<double>("minInvMass", 75);
desc.addUntracked<double>("maxInvMass", 105);
descriptions.addWithDefaultLabel(desc);
}
ZtoMMMuonTrackProducer::ZtoMMMuonTrackProducer(const edm::ParameterSet& ps)
: muonTag_(ps.getUntrackedParameter<edm::InputTag>("muonInputTag", edm::InputTag("muons"))),
bsTag_(ps.getUntrackedParameter<edm::InputTag>("offlineBeamSpot", edm::InputTag("offlineBeamSpot"))),
muonToken_(consumes<reco::MuonCollection>(muonTag_)),
bsToken_(consumes<reco::BeamSpot>(bsTag_)),
maxEta_(ps.getUntrackedParameter<double>("maxEta", 2.4)),
minPt_(ps.getUntrackedParameter<double>("minPt", 5)),
maxNormChi2_(ps.getUntrackedParameter<double>("maxNormChi2", 1000)),
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)),
minChambers_(ps.getUntrackedParameter<uint32_t>("minChambers", 2)),
minMatches_(ps.getUntrackedParameter<uint32_t>("minMatches", 2)),
minMatchedStations_(ps.getUntrackedParameter<double>("minMatchedStations", 2)),
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 ZtoMMMuonTrackProducer::produce(edm::StreamID streamID, edm::Event& iEvent, edm::EventSetup const& iSetup) const {
std::unique_ptr<reco::TrackCollection> outputTColl(new reco::TrackCollection());
// Read Muon Collection
edm::Handle<reco::MuonCollection> muonColl;
iEvent.getByToken(muonToken_, muonColl);
// and the beamspot
edm::Handle<reco::BeamSpot> beamSpot;
iEvent.getByToken(bsToken_, beamSpot);
std::vector<TLorentzVector> list;
if (muonColl.isValid()) {
for (auto const& mu : *muonColl) {
if (!mu.isGlobalMuon())
continue;
if (!mu.isPFMuon())
continue;
if (std::abs(mu.eta()) >= maxEta_)
continue;
if (mu.pt() < minPt_)
continue;
reco::TrackRef gtk = mu.globalTrack();
double chi2 = gtk->chi2();
double ndof = gtk->ndof();
double chbyndof = (ndof > 0) ? chi2 / ndof : 0;
if (chbyndof >= maxNormChi2_)
continue;
reco::TrackRef tk = mu.innerTrack();
if (beamSpot.isValid()) {
double trkd0 = -(tk->dxy(beamSpot->position()));
if (std::abs(trkd0) >= maxD0_)
continue;
double trkdz = tk->dz(beamSpot->position());
if (std::abs(trkdz) >= maxDz_)
continue;
} else {
edm::LogError("ZtoMMMuonTrackProducer") << "Error >> Failed to get BeamSpot for label: " << bsTag_;
}
const reco::HitPattern& hitp = gtk->hitPattern();
if (hitp.numberOfValidPixelHits() < minPixelHits_)
continue;
if (hitp.numberOfValidStripHits() < minStripHits_)
continue;
// Hits/section in the muon chamber
if (mu.numberOfChambers() < minChambers_)
continue;
if (mu.numberOfMatches() < minMatches_)
continue;
if (mu.numberOfMatchedStations() < minMatchedStations_)
continue;
if (!muon::isGoodMuon(mu, muon::GlobalMuonPromptTight))
continue;
//if (!muon::isMediumMuon(mu)) continue;
// PF Isolation
const reco::MuonPFIsolation& pfIso04 = mu.pfIsolationR04();
double absiso = pfIso04.sumChargedHadronPt +
std::max(0.0, pfIso04.sumNeutralHadronEt + pfIso04.sumPhotonEt - 0.5 * pfIso04.sumPUPt);
if (absiso / mu.pt() > maxIso_)
continue;
TLorentzVector lv;
lv.SetPtEtaPhiE(mu.pt(), mu.eta(), mu.phi(), mu.energy());
list.push_back(lv);
outputTColl->push_back(*tk);
}
} else {
edm::LogError("ZtoMMMuonTrackProducer") << "Error >> Failed to get MuonCollection for label: " << muonTag_;
}
iEvent.put(std::move(outputTColl));
}
// Define this as a plug-in
#include "FWCore/Framework/interface/MakerMacros.h"
DEFINE_FWK_MODULE(ZtoMMMuonTrackProducer);
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