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// -*- C++ -*-
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//
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// Package: WZAnalyzer
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// Class: WZAnalyzer
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//
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/**\class WZAnalyzer WZAnalyzer.cc senka/WZAnalyzer/src/WZAnalyzer.cc
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Description: <one line class summary>
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Implementation:
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<Notes on implementation>
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*/
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//
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// Original Author: Vuko Brigljevic
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// Created: Fri Nov 9 11:07:27 CET 2007
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// $Id$
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//
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//
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// system include files
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#include <memory>
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// user include files
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#include "FWCore/Framework/interface/Frameworkfwd.h"
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#include "FWCore/Framework/interface/EDAnalyzer.h"
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#include "FWCore/Framework/interface/Event.h"
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#include "FWCore/Framework/interface/MakerMacros.h"
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#include "FWCore/ParameterSet/interface/ParameterSet.h"
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#include "senka/WZAnalyzer/interface/WZAnalyzer.h"
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#include "DataFormats/Candidate/interface/OverlapChecker.h"
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#include "senka/WZAnalyzer/interface/ElectronProperties.h"
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//--- muon AOD:
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#include "DataFormats/JetReco/interface/CaloJetCollection.h"
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#include "DataFormats/EgammaCandidates/interface/Electron.h"
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#include "DataFormats/EgammaCandidates/interface/ElectronFwd.h"
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#include "DataFormats/MuonReco/interface/MuonFwd.h"
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#include "DataFormats/MuonReco/interface/Muon.h"
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#include "DataFormats/EgammaReco/interface/BasicCluster.h"
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#include "DataFormats/EgammaReco/interface/BasicClusterFwd.h"
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#include "DataFormats/EgammaCandidates/interface/PixelMatchGsfElectron.h"
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#include "TFile.h"
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#include "TH1F.h"
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#include "TH2F.h"
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#include "TTree.h"
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#include <map>
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//
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// constants, enums and typedefs
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//
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//
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// static data member definitions
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//
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//
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// constructors and destructor
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//
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WZAnalyzer::WZAnalyzer(const edm::ParameterSet& iConfig)
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{
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//now do what ever initialization is needed
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theLooseMuonCollection = iConfig.getParameter<edm::InputTag>("LooseMuons");
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theGoodMuonCollection = iConfig.getParameter<edm::InputTag>("GoodMuons");
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theLooseElectronCollection = iConfig.getParameter<edm::InputTag>("LooseElectrons");
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theGoodElectronCollection = iConfig.getParameter<edm::InputTag>("GoodElectrons");
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theTightLeptonCollection = iConfig.getParameter<edm::InputTag>("TightLeptons");
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// theMediumElectronCollection = iConfig.getParameter<edm::InputTag>("LooseElectrons");
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// theTightElectronCollection = iConfig.getParameter<edm::InputTag>("TightElectrons");
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// Z's
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theZeeCollection = iConfig.getParameter<edm::InputTag>("ZtoEE");
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theZmumuCollection = iConfig.getParameter<edm::InputTag>("ZtoMuMu");
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}
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WZAnalyzer::~WZAnalyzer()
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{
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// do anything here that needs to be done at desctruction time
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// (e.g. close files, deallocate resources etc.)
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}
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//
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// member functions
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//
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// ------------ method called to for each event ------------
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void
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WZAnalyzer::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup)
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{
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using namespace edm;
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using namespace reco;
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using namespace std;
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#ifdef THIS_IS_AN_EVENT_EXAMPLE
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Handle<ExampleData> pIn;
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iEvent.getByLabel("example",pIn);
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#endif
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#ifdef THIS_IS_AN_EVENTSETUP_EXAMPLE
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ESHandle<SetupData> pSetup;
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iSetup.get<SetupRecord>().get(pSetup);
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#endif
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const Candidate * theZCandidate = 0;
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const Candidate * theWlepton = 0;
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// Z->mumu
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Handle<CandidateCollection> zmumuCands;
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iEvent.getByLabel( theZmumuCollection , zmumuCands);
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// Z->ee
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Handle<CandidateCollection> zeeCands;
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iEvent.getByLabel( theZeeCollection , zeeCands);
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// loose electrons
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Handle<CandidateCollection> looseElectronCands;
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iEvent.getByLabel( theLooseElectronCollection , looseElectronCands);
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// good electrons
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Handle<CandidateCollection> goodElectronCands;
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iEvent.getByLabel( theGoodElectronCollection , goodElectronCands);
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// loose muons
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Handle<CandidateCollection> looseMuonCands;
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iEvent.getByLabel( theLooseMuonCollection , looseMuonCands);
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// good muons
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Handle<CandidateCollection> goodMuonCands;
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iEvent.getByLabel( theGoodMuonCollection , goodMuonCands);
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// tight leptons
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Handle<CandidateCollection> tightLeptonCands;
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iEvent.getByLabel( theTightLeptonCollection , tightLeptonCands);
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// Reset a few things
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for (map<string,wzana::ElectronProperties* >::iterator iter = electronProperties.begin();
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iter!=electronProperties.end(); iter++)
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{
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iter->second->ResetValues();
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}
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// selected muons
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//
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int nzee = zeeCands->size();
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int nzmumu = zmumuCands->size();
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cout << "\t # loose mu : " << looseMuonCands->size()
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<< "\t # tight mu : " << goodMuonCands->size()
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<< "\t # loose e : " << looseElectronCands->size()
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<< "\t # tight e : " << goodElectronCands->size()
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<< "\t # tight l : " << tightLeptonCands->size()
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<< "\t # Z->mumu : " << zmumuCands->size()
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<< "\t # Z->ee : " << zeeCands->size()
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<< endl;
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Handle<CandidateCollection> zCands[2] = {zeeCands,zmumuCands};
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//
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// Find best Z
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//
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::OverlapChecker overlap;
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if (zeeCands->size() == 0 || zmumuCands->size() == 0) {
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// Veto if both Z->ee and Z->mumu cands found
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float dzmass_min = 100.;
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for (int i=0; i<2; i++) {
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if (zCands[i]->size() > 0) {
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theZCandidate = &(*(zCands[i]))[0];
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}
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if (zCands[i]->size() > 1) {
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for(CandidateCollection::const_iterator z1 = zCands[i]->begin();
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z1 != zCands[i]->end(); ++ z1 ) {
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float dzmass = fabs( z1->mass() - 91.188);
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if (dzmass < dzmass_min) {
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theZCandidate = &(*z1);
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dzmass_min = dzmass;
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}
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//
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//Get back Electrons from Z and W
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for(CandidateCollection::const_iterator z2 = z1;
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z2 != zCands[i]->end(); ++ z2 ) {
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if (z1 != z2) {
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if (overlap(*z1,*z2)) {
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cout << "Overlap between two Z of flavour " << i << endl;
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}
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}
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}
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}
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}
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}
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}
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zFlavour = 0;
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wlFlavour = 0;
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int nwl_candidates=0;
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if (theZCandidate) {
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zMass = theZCandidate->mass();
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zFlavour = abs(theZCandidate->daughter(0)->pdgId());
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zPt = theZCandidate->pt();
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zEta = theZCandidate->eta();
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zPhi = theZCandidate->phi();
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float max_pt = 0.;
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// Now find lepton that will be associated to W
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// among leptons not used for the Z reconstruction
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for(CandidateCollection::const_iterator lepton = tightLeptonCands->begin();
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lepton != tightLeptonCands->end(); lepton++) {
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if ( overlap(*theZCandidate, *lepton) ) continue; // Ignore if lepton used for the Z
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nwl_candidates++;
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// If more than one candidate: choose leading pt
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if (lepton->pt() > max_pt) {
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theWlepton = &(*lepton);
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max_pt = lepton->pt();
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}
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int id = lepton->pdgId();
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cout << "Tight lepton: " << id << endl;
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if(lepton->hasMasterClone()) {
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cout << "SHOUT: TIGHT LEPTON IS SHALLOW COPY !!! (SHOULD NOT BE!) \n";
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}
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//
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}
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if (theWlepton) {
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wlFlavour = theWlepton->pdgId();
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wlCharge = theWlepton->charge();
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wlPt = theWlepton->pt();
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wlEta = theWlepton->eta();
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wlPhi = theWlepton->phi();
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const reco::Muon * muon = dynamic_cast<const reco::Muon *>(&(*theWlepton));
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if(muon != 0) { /* it's a valid muon */
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cout << "lepton is a muon \n" << endl;
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}
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const reco::PixelMatchGsfElectron * electron = dynamic_cast<const reco::PixelMatchGsfElectron *>(&(*theWlepton));
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if(electron != 0) { /* it's a valid electron */
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cout << "lepton is an electron \n" << endl;
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electronProperties["Wel"]->FillProperties(electron, iEvent, iSetup);
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elWTree->Fill();
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}
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}
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}
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wzTree->Fill();
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}
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// ------------ method called once each job just before starting event loop ------------
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void
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WZAnalyzer::beginJob(const edm::EventSetup&)
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{
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using namespace wzana;
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theFile = new TFile( "wz.root", "RECREATE" ) ;
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wzTree = new TTree("WZTree","WZ informations");
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elWTree = new TTree("WElTree","W electron informations");
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electronProperties["Wel"] = new ElectronProperties();
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electronProperties["ZEl1"] = new ElectronProperties();
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electronProperties["ZEl2"] = new ElectronProperties();
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electronProperties["Wel"]->CreateBranches(wzTree, "WEl_");
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electronProperties["Wel"]->CreateBranches(elWTree,"ElW_");
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initialiseTree();
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}
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// ------------ method called once each job just after ending the event loop ------------
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void
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WZAnalyzer::endJob() {
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theFile->Write();
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theFile->Close();
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}
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void WZAnalyzer::initialiseTree() {
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// Z properties
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wzTree->Branch("Zmass", &zMass, "Zmass/F");
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wzTree->Branch("ZId", &zFlavour, "Zid/I");
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wzTree->Branch("ZPt", &zPt, "ZPt/F");
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wzTree->Branch("ZEta", &zEta, "ZEta/F");
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wzTree->Branch("ZPhi", &zPhi, "ZPhi/F");
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// W Properties
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wzTree->Branch("WlId", &wlFlavour, "Wlid/I");
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wzTree->Branch("WlCharge", &wlCharge, "WlCharge/I");
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wzTree->Branch("WlPt", &wlPt, "WlPt/F");
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}
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//define this as a plug-in
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DEFINE_FWK_MODULE(WZAnalyzer);
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