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#include "VHbbAnalysis/HbbAnalyzer/interface/HbbCandidateFinderAlgo.h"
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#include "VHbbAnalysis/VHbbDataFormats/interface/VHbbCandidateTools.h"
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#include <iostream>
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#include<cstdlib>
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struct CompareJetPt {
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bool operator()( const VHbbEvent::SimpleJet& j1, const VHbbEvent::SimpleJet& j2 ) const {
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return j1.fourMomentum.Pt() > j2.fourMomentum.Pt();
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}
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};
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struct CompareBTag {
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bool operator()(const VHbbEvent::SimpleJet& j1, const VHbbEvent::SimpleJet& j2 ) const {
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return j1.csv > j2.csv;
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}
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};
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void HbbCandidateFinderAlgo::run (const VHbbEvent* event, std::vector<VHbbCandidate> & candidates){
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//
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// first find the jets
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//
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VHbbCandidateTools selector(verbose_);
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VHbbEvent::SimpleJet j1,j2;
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std::vector<VHbbEvent::SimpleJet> addJets;
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bool foundJets = findDiJets(event->simpleJets2,j1,j2,addJets) ;
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if (verbose_){
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std::cout <<" Found Dijets: "<<foundJets<< " Additional: "<<addJets.size()<< std::endl;
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}
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if (foundJets == false) return;
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//
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// search for leptons
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//
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std::vector<VHbbEvent::MuonInfo> mu;
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findMuons(event->muInfo,mu);
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std::vector<VHbbEvent::ElectronInfo> ele;
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findElectrons(event->eleInfo,ele);
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std::vector<VHbbEvent::METInfo> met;
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findMET(event->pfmet, met);
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if (verbose_){
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std::cout <<" Electrons: "<< ele.size()<<std::endl;
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std::cout <<" Muons : "<< mu.size()<<std::endl;
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std::cout <<" MET : "<< met.size()<<std::endl;
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}
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if (ele.size()<1 && mu.size() < 1 && met.size()<1) return;
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//
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// fill!
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//
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VHbbCandidate temp;
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temp.H.jets.push_back(j1);
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temp.H.jets.push_back(j2);
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temp.H.fourMomentum = (j1).fourMomentum+(j2).fourMomentum;
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TVector3 higgsBoost;
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higgsBoost = (temp.H.fourMomentum).BoostVector();
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temp.H.helicities.push_back(selector.getHelicity(j1,higgsBoost));
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temp.H.helicities.push_back(selector.getHelicity(j2,higgsBoost));
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temp.H.deltaTheta = selector.getDeltaTheta(j1,j2);
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temp.additionalJets = addJets;
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temp.V.mets = met;
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temp.V.muons = mu;
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temp.V.electrons = ele;
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//
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// now see which kind of andidate this can be
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//
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VHbbCandidate result;
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bool ok = false;
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//
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// first: hZmumu
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//
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if (verbose_){
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std::cout <<" START SELECTION "<<std::endl;
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}
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result = selector.getHZmumuCandidate(temp,ok);
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if ( ok == true ){
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result.setCandidateType(VHbbCandidate::Zmumu);
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candidates.push_back(result);
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}else{
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// HZee
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result = selector. getHZeeCandidate(temp,ok);
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if ( ok == true ){
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result.setCandidateType(VHbbCandidate::Zee);
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candidates.push_back(result);
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return;
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}else{
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//HWmunu
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result = selector. getHWmunCandidate(temp,ok);
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if ( ok == true ){
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result.setCandidateType(VHbbCandidate::Wmun);
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candidates.push_back(result);
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return;
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}else{
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// HWenu
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result = selector. getHWenCandidate(temp,ok);
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if ( ok == true ){
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result.setCandidateType(VHbbCandidate::Wen);
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candidates.push_back(result);
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return;
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}else{
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// HZnn
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result = selector. getHZnnCandidate(temp,ok);
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if ( ok == true ){
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result.setCandidateType(VHbbCandidate::Znn);
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candidates.push_back(result);
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return;
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}
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}
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}
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}
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}
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return;
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}
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void HbbCandidateFinderAlgo::findMET(const VHbbEvent::METInfo & met, std::vector<VHbbEvent::METInfo>& out){
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//
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// just preselection: met significance > 2
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if (met.metSig >2 ) out.push_back(met);
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if (verbose_){
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std::cout <<" CandidateFinder: Input MET = "<<met.metSig<<" Output MET = "<<out.size()<<std::endl;
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}
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}
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bool HbbCandidateFinderAlgo::findDiJets (const std::vector<VHbbEvent::SimpleJet>& jets, VHbbEvent::SimpleJet& j1, VHbbEvent::SimpleJet& j2,std::vector<VHbbEvent::SimpleJet>& addJets){
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std::vector<VHbbEvent::SimpleJet> tempJets;
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if (verbose_){
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std::cout <<" CandidateFinder: Input Jets = "<<jets.size()<<std::endl;
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}
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for (unsigned int i=0 ; i< jets.size(); ++i){
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if (jets[i].fourMomentum.Pt()> jetPtThreshold)
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tempJets.push_back(jets[i]);
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}
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CompareBTag bTagComparator;
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CompareJetPt ptComparator;
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if (verbose_){
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std::cout <<" CandidateFinder: Intermediate Jets = "<<tempJets.size()<<std::endl;
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}
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if (tempJets.size()<2) return false;
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std::sort(tempJets.begin(), tempJets.end(), bTagComparator);
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if (tempJets[0].fourMomentum.Pt()>(tempJets[1].fourMomentum.Pt())){
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j1 = tempJets[0];
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j2 = tempJets[1];
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}else{
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j2 = tempJets[0];
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j1 = tempJets[1];
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}
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//
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// additional jets
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//
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if (tempJets.size()>2){
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for (unsigned int i=2 ; i< tempJets.size(); ++i){
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addJets.push_back(tempJets[i]);
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}
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}
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if (verbose_){
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std::cout <<" CandidateFinder: Output Jets = "<<2<<" Additional = "<<addJets.size()<<std::endl;
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}
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std::sort(addJets.begin(), addJets.end(), ptComparator);
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return true;
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}
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void HbbCandidateFinderAlgo::findMuons(const std::vector<VHbbEvent::MuonInfo>& muons, std::vector<VHbbEvent::MuonInfo>& out){
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/* Use:
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For both W -> mu nu and Z -> mu mu, we adopt the standard VBTF muon selection described in VbtfWmunuBaselineSelection. The explicit cuts are reproduced here:
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We use RECO Muons that are both Global and Tracker
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chi2/ndof < 10 for the global muon fit
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The track associated to the muon must have
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>= 1 pixel hits
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>= 10 pixel + strip hits
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>= 1 valid hit in the muon chambers
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>= 2 muon stations
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|dxy| < 0.2
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|eta| < 2.4
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Relative combined isolation (R) is required to be < 0.15
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R = [Sum pT(trks) + Et(ECAL) + Et(HCAL)] / pT(mu) computed in a cone of radius 0.3 in eta-phi
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pT(mu) > 20 GeV
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*/
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for (std::vector<VHbbEvent::MuonInfo>::const_iterator it = muons.begin(); it!= muons.end(); ++it){
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if (
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(*it). globChi2<10 &&
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(*it).nPixelHits>= 1 &&
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(*it).globNHits >= 1 &&
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(*it).nHits >= 10 &&
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(*it).cat ==1 &&
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(*it).validMuStations >=2 &&
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(*it).ipDb<.2 &&
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((*it).hIso+(*it).eIso+(*it).tIso)/(*it).fourMomentum.Pt()<.15 &&
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(*it).fourMomentum.Eta()<2.4 &&
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(*it).fourMomentum.Pt()>15) {
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out.push_back(*it);
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}
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}
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if (verbose_){
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std::cout <<" CandidateFinder: Input Muons = "<<muons.size()<<" Output Muons = "<<out.size()<<std::endl;
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}
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}
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void HbbCandidateFinderAlgo::findElectrons(const std::vector<VHbbEvent::ElectronInfo>& electrons, std::vector<VHbbEvent::ElectronInfo>& out){
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/*
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We adopt the standard cut-based selection from VBTF described in detail here.
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Z -> ee
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gsf electrons
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VBTF WP95
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|eta|<2.5, excluding the gap 1.44 < |eta| < 1.57
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pT(e) > 20
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W -> e nu
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gsf electrons
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VBTF WP80
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|eta|<2.5, excluding the gap 1.44 < |eta| < 1.57
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pT(e) > 30
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*/
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for (std::vector<VHbbEvent::ElectronInfo>::const_iterator it = electrons.begin(); it!= electrons.end(); ++it){
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if (
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// fake
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// (*it).id95> &&
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fabs((*it).fourMomentum.Eta()) < 2.5 &&
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!( fabs((*it).fourMomentum.Eta()) < 1.57 && fabs((*it).fourMomentum.Eta()) > 1.44) &&
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(*it).fourMomentum.Pt()>15 // I use the minimum ok for both Z and W
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){
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out.push_back(*it);
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}
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}
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if (verbose_){
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std::cout <<" CandidateFinder: Input Electrons = "<<electrons.size()<<" Output Electrons = "<<out.size()<<std::endl;
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}
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}
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