void JetAnalyser::analyse(const EventPtr event) {
histMan_->setCurrentHistogramFolder(histogramFolder_);
weight_ = event->weight() * prescale_ * scale_;
const JetCollection jets = event->Jets();
unsigned int numberOfBJets(0);
for (unsigned int index = 0; index < jets.size(); ++index) {
const JetPointer jet(jets.at(index));
histMan_->H1D_BJetBinned("all_jet_pT")->Fill(jet->pt(), weight_);
histMan_->H1D_BJetBinned("all_jet_phi")->Fill(jet->phi(), weight_);
histMan_->H1D_BJetBinned("all_jet_eta")->Fill(jet->eta(), weight_);
if (jet->isBJet(BtagAlgorithm::CombinedSecondaryVertex, BtagAlgorithm::MEDIUM))
++numberOfBJets;
if (index < 7) {
stringstream temp;
temp << "jet" << (index + 1);
string nthJet = temp.str();
histMan_->H1D_BJetBinned(nthJet + "_pT")->Fill(jet->pt(), weight_);
histMan_->H1D_BJetBinned(nthJet + "_phi")->Fill(jet->phi(), weight_);
histMan_->H1D_BJetBinned(nthJet + "_eta")->Fill(jet->eta(), weight_);
}
}
histMan_->H1D_BJetBinned("N_Jets")->Fill(jets.size(), weight_);
histMan_->H1D("N_BJets")->Fill(numberOfBJets, weight_);
}
bool TopPairEplusJetsRefAsymJetsSelection::passesAsymmetricJetCuts(const EventPtr event) const {
const JetCollection goodElectronCleanedJets = cleanedJets(event);
if (goodElectronCleanedJets.size() < 3) // good jets have a cut of 30 GeV!
return false;
JetPointer leadingJet = goodElectronCleanedJets.front();
JetPointer secondLeadingJet = goodElectronCleanedJets.at(1);
JetPointer thirdLeadingJet = goodElectronCleanedJets.at(2);
return leadingJet->pt() > 70 && secondLeadingJet->pt() > 50 && thirdLeadingJet->pt() > 50;
}
double BTagWeight::getUDSGScaleFactor(const JetPointer jet) const {
double pt = jet->pt();
double SF_udsg_mean(0), SF_udsg_min(0), SF_udsg_max(0);
if (pt < 20) {
return 0;
} else if (pt > 670) {
SF_udsg_mean = getMeanUDSGScaleFactor(670.);
SF_udsg_min = getMinUDSGScaleFactor(670);
SF_udsg_max = getMaxUDSGScaleFactor(670);
//use twice the uncertainty
SF_udsg_min -= (SF_udsg_mean - SF_udsg_min);
SF_udsg_max += (SF_udsg_max - SF_udsg_mean);
} else {
SF_udsg_mean = getMeanUDSGScaleFactor(pt);
SF_udsg_min = getMinUDSGScaleFactor(pt);
SF_udsg_max = getMaxUDSGScaleFactor(pt);
}
if (Globals::LightJetSystematic == -1)
return SF_udsg_min;
else if (Globals::LightJetSystematic == 1)
return SF_udsg_max;
return SF_udsg_mean;
}
double BTagWeight::getBScaleFactor(const JetPointer jet, double uncertaintyFactor) const {
const boost::array<double, 14> SFb_error = { { 0.0295675, 0.0295095, 0.0210867, 0.0219349, 0.0227033, 0.0204062,
0.0185857, 0.0256242, 0.0383341, 0.0409675, 0.0420284, 0.0541299, 0.0578761, 0.0655432 } };
const boost::array<double, 14> ptbins = { { 30, 40, 50, 60, 70, 80, 100, 120, 160, 210, 260, 320, 400, 500 } };
double SFb(0);
double sf_error(0);
//these numbers are for CSVM only
double pt = jet->pt();
if (pt < 30) {
SFb = 0.6981 * (1. + 0.414063 * 30) / (1. + 0.300155 * 30);
sf_error = 0.12;
} else if (pt > 670) {
SFb = 0.6981 * (1. + 0.414063 * 670) / (1. + 0.300155 * 670);
//use twice the uncertainty
sf_error = 2 * SFb_error[SFb_error.size() - 1];
} else {
SFb = 0.6981 * (1. + 0.414063 * pt) / (1. + 0.300155 * pt);
unsigned int ptbin(0);
for (unsigned int bin = 0; bin < ptbins.size() + 1; ++bin) {
double upperCut = bin + 1 < ptbins.size() ? ptbins.at(bin + 1) : 670.;
double lowerCut = ptbins.at(bin);
if (pt > lowerCut && pt <= upperCut) {
ptbin = bin;
break;
}
}
sf_error = SFb_error.at(ptbin);
}
SFb += sf_error * Globals::BJetSystematic * uncertaintyFactor;
return SFb;
}
bool TopPairEMuReferenceSelection::isGoodJet(const JetPointer jet) const {
/**
* This function tests the jet ID and eta (and pt) range for jet
* The cut of 20 GeV is actually obsolete since we only store jets above that threshold.
* However, the jet id is only valid for jets above it.
*/
bool passesPtAndEta = jet->pt() > 20 && fabs(jet->eta()) < 2.5;
bool passesJetID(false);
JetAlgorithm::value algo = jet->getUsedAlgorithm();
if (algo == JetAlgorithm::CA08PF || algo == JetAlgorithm::PF2PAT) { //PFJet
bool passNOD = jet->NOD() > 1;
bool passNHF = jet->NHF() < 0.99;
bool passNEF = jet->NEF() < 0.99;
bool passCHF = true;
bool passNCH = true;
bool passCEF = true;
if (fabs(jet->eta()) < 2.4) {
passCEF = jet->CEF() < 0.99;
passCHF = jet->CHF() > 0;
passNCH = jet->NCH() > 0;
}
passesJetID = passNOD && passCEF && passNHF && passNEF && passCHF && passNCH;
} else { //assume CaloJet
bool passesEMF = jet->emf() > 0.01;
bool passesN90Hits = jet->n90Hits() > 1;
bool passesFHPD = jet->fHPD() < 0.98;
passesJetID = passesEMF && passesN90Hits && passesFHPD;
}
return passesPtAndEta && passesJetID;
}
bool TopPairMuPlusJetsReferenceSelection2011::isGoodJet(const JetPointer jet) const {
bool passesPtAndEta = jet->pt() > 20 && fabs(jet->eta()) < 2.4;
bool passesJetID(false);
JetAlgorithm::value algo = jet->getUsedAlgorithm();
if (algo == JetAlgorithm::CA08PF || algo == JetAlgorithm::PF2PAT) { //PFJet
bool passNOD = jet->NOD() > 1;
bool passNHF = jet->NHF() < 0.99;
bool passNEF = jet->NEF() < 0.99;
bool passCHF = jet->CEF() < 0.99;
bool passNCH = true;
bool passCEF = true;
if (fabs(jet->eta()) < 2.4) {
passCHF = jet->CHF() > 0;
passNCH = jet->NCH() > 0;
}
passesJetID = passNOD && passCEF && passNHF && passNEF && passCHF && passNCH;
;
} else { //assume CaloJet
bool passesEMF = jet->emf() > 0.01;
bool passesN90Hits = jet->n90Hits() > 1;
bool passesFHPD = jet->fHPD() < 0.98;
passesJetID = passesEMF && passesN90Hits && passesFHPD;
}
return passesPtAndEta && passesJetID;
}
bool PseudoTopAnalyser::passesEventSelection( const MCParticlePointer pseudoLepton, const ParticlePointer pseudoNeutrino, const JetCollection pseudoJets, const MCParticleCollection pseudoBs, const ParticleCollection allPseudoLeptons, const ParticlePointer pseudoMET ) {
// Event selection taken from here : https://twiki.cern.ch/twiki/bin/view/LHCPhysics/ParticleLevelTopDefinitions
unsigned int numberGoodLeptons = 0;
unsigned int numberVetoLeptons = 0;
ParticlePointer leadingLepton;
for ( unsigned int leptonIndex = 0; leptonIndex < allPseudoLeptons.size(); ++ leptonIndex ) {
const ParticlePointer lepton = allPseudoLeptons.at(leptonIndex);
// Check if this is a good signal type lepton
if ( lepton->pt() > minLeptonPt_ && fabs(lepton->eta()) < maxLeptonAbsEta_ ) {
++numberGoodLeptons;
if ( leadingLepton == 0 ) leadingLepton = lepton;
}
// Check if this is a veto lepton
if ( lepton->pt() > minVetoLeptonPt_ && fabs(lepton->eta()) < maxVetoLeptonAbsEta_ ) {
++numberVetoLeptons;
}
}
// Neutrino pt sum
bool passesNeutrinoSumPt = false;
if ( pseudoMET != 0 ) {
if ( pseudoMET->pt() > minNeutrinoSumPt_ ) passesNeutrinoSumPt = true;
}
// W MT
bool passesWMT = false;
if ( leadingLepton != 0 && pseudoMET != 0 ) {
double genMT = sqrt( 2 * leadingLepton->pt() * pseudoMET->pt() * ( 1 - cos(leadingLepton->phi() - pseudoMET->phi() ) ) );
if (genMT > minWMt_) passesWMT = true;
}
// Jets
unsigned int numberGoodJets = 0;
unsigned int numberGoodBJets = 0;
for ( unsigned int jetIndex = 0; jetIndex < pseudoJets.size(); ++ jetIndex ) {
const JetPointer jet = pseudoJets.at(jetIndex);
// Check if this is a good jet
if ( jet->pt() > minJetPt_ && fabs(jet->eta()) < maxJetAbsEta_ ) {
++numberGoodJets;
// Check if this is also a good b jet
if ( fabs( jet->partonFlavour() ) == 5 ) {
++numberGoodBJets;
}
}
}
if ( numberGoodLeptons == 1 && numberVetoLeptons <= 1 && passesNeutrinoSumPt && passesWMT && numberGoodJets >= minNJets_ && numberGoodBJets >= minNBJets_ ) {
return true;
}
else return false;
}
double BTagWeight::getGEfficiency(const JetPointer jet) const {
const double jetPt = jet->pt();
const double jetEta = jet->eta();
// std::cout << "Jet Pt : " << jetPt << ", Jet Eta : " << jetEta << std::endl;
int binNumber = Globals::gluonJet->FindBin( jetPt , jetEta );
float BTagEff = Globals::gluonJet->GetBinContent( binNumber );
// std::cout << "Gluon Jet, B Tag Efficiency : " << BTagEff << std::endl;
return BTagEff;
}
bool HLTriggerQCDAnalyser::passesTriggerAnalysisSelection(const EventPtr event) const {
const ElectronCollection electrons(event->Electrons());
const JetCollection jets(event->Jets());
if (electrons.size() == 0 || jets.size() < 3)
return false;
unsigned int nElectrons(0);
for (unsigned int index = 0; index < electrons.size(); ++index) {
const ElectronPointer electron(electrons.at(index));
if (fabs(electron->eta()) < 2.5 && electron->pt() > 20)
++nElectrons;
//if more than 2 electrons passing the selection of > 20GeV, reject event
}
const ElectronPointer mostEnergeticElectron(electrons.front());
//clean jets against electron
JetCollection cleanedJets;
for (unsigned int index = 0; index < jets.size(); ++index) {
const JetPointer jet(jets.at(index));
if (!jet->isWithinDeltaR(0.3, mostEnergeticElectron))
cleanedJets.push_back(jet);
}
unsigned int nCleanedJetsAbove30GeV(0), nCleanedJetsAbove45GeV(0);
for (unsigned int index = 0; index < cleanedJets.size(); ++index) {
const JetPointer jet(cleanedJets.at(index));
if (jet->pt() > 45.)
++nCleanedJetsAbove45GeV;
if (jet->pt() > 30.)
++nCleanedJetsAbove30GeV;
}
return nElectrons == 1
&& (nCleanedJetsAbove45GeV >= 3
|| (nCleanedJetsAbove45GeV >= 2 && nCleanedJetsAbove30GeV >= 3 && event->runnumber() >= 194270));
}
void BTagEff::analyse(const EventPtr event) {
histMan_->setCurrentHistogramFolder(histogramFolder_);
treeMan_->setCurrentFolder(histogramFolder_);
int NJets = 0;
const JetCollection allJets = event->Jets();
for (unsigned int jetIndex = 0; jetIndex < allJets.size(); ++jetIndex) {
const JetPointer jet(allJets.at(jetIndex));
bool isLoose = false;
bool isMedium = false;
bool isTight = false;
double jetPt = jet->pt();
double jetEta = jet->eta();
if (jetPt < 25 || abs(jetEta) > 2.4) continue;
// double jetCSV = jet->getBTagDiscriminator(BtagAlgorithm::CombinedSecondaryVertexV2, BtagAlgorithm::MEDIUM);
double jetCSV = jet->getBTagDiscriminator(BAT::BtagAlgorithm::value::CombinedSecondaryVertexV2);
// https://twiki.cern.ch/twiki/bin/viewauth/CMS/BtagRecommendation74X50ns
if (jetCSV > 0.605) isLoose = true;
if (jetCSV > 0.890) isMedium = true;
if (jetCSV > 0.970) isTight = true;
unsigned int partonFlavour = abs(jet->partonFlavour());
// const bool isBTagged = jet->isBJet(BtagAlgorithm::CombinedSecondaryVertexV2, BtagAlgorithm::MEDIUM);
// cout << jet->isBJet(BtagAlgorithm::CombinedSecondaryVertexV2, BtagAlgorithm::MEDIUM) << endl;
treeMan_->Fill("pt", jetPt);
treeMan_->Fill("eta", jetEta);
treeMan_->Fill("CSV", jetCSV);
treeMan_->Fill("partonFlavour", partonFlavour);
treeMan_->Fill("isLoose", isLoose);
treeMan_->Fill("isMedium", isMedium);
treeMan_->Fill("isTight", isTight);
++NJets;
}
treeMan_->Fill("NJets", NJets);
}
double BTagWeight::getAverageUDSGEfficiency(const JetCollection jets) const {
std::vector<double> efficiencies;
for (unsigned int index = 0; index < jets.size(); ++index) {
const JetPointer jet(jets.at(index));
double efficiency(0);
//these numbers are for CSVM only
double pt = jet->pt();
if (pt < 20) {
continue;
} else if (pt > 670) {
efficiency = getMeanUDSGEfficiency(670.);
} else {
efficiency = getMeanUDSGEfficiency(pt);
}
efficiencies.push_back(efficiency);
}
double sumOfEfficiencies = std::accumulate(efficiencies.begin(), efficiencies.end(), 0.0);
if (efficiencies.size() == 0)
return 1.;
else
return sumOfEfficiencies / efficiencies.size();
}
void BTagEff::analyse(const EventPtr event) {
treeMan_->setCurrentFolder(histogramFolder_);
int NJets = 0;
int NBJets = 0; // How many medium b jets
const JetCollection cleanedJets = event->CleanedJets();
int selectionCriteria = -1;
if ( event->PassesElectronTriggerAndSelectionNoB() ) selectionCriteria = SelectionCriteria::ElectronPlusJetsReference;
else if ( event->PassesMuonTriggerAndSelectionNoB() ) selectionCriteria = SelectionCriteria::MuonPlusJetsReference;
const LeptonPointer signalLepton = event->getSignalLepton( selectionCriteria );
// unsigned int nParton = 0;
for (unsigned int jetIndex = 0; jetIndex < cleanedJets.size(); ++jetIndex) {
const JetPointer jet(cleanedJets.at(jetIndex));
bool isLoose = false;
bool isMedium = false;
bool isTight = false;
double jetPt = jet->pt();
double jetEta = jet->eta();
if (jetPt < 25 || fabs(jetEta) > 2.4) continue;
double jetCSV = jet->getBTagDiscriminator(BAT::BtagAlgorithm::value::CombinedSecondaryVertexV2);
// https://twiki.cern.ch/twiki/bin/viewauth/CMS/BtagRecommendation76X
if (jetCSV > 0.460) {
isLoose = true;
}
if (jetCSV > 0.800) {
isMedium = true;
++NBJets;
}
if (jetCSV > 0.935) {
isTight = true;
}
unsigned int partonFlavour = abs(jet->partonFlavour());
unsigned int hadronFlavour = abs(jet->hadronFlavour());
treeMan_->Fill("pt", jetPt);
treeMan_->Fill("eta", jetEta);
treeMan_->Fill("CSV", jetCSV);
treeMan_->Fill("partonFlavour", partonFlavour);
treeMan_->Fill("hadronFlavour", hadronFlavour);
treeMan_->Fill("isLoose", isLoose);
treeMan_->Fill("isMedium", isMedium);
treeMan_->Fill("isTight", isTight);
++NJets;
}
treeMan_->Fill("NJets", NJets);
treeMan_->Fill("NBJets", NBJets);
treeMan_->Fill("EventWeight", event->weight());
treeMan_->Fill("PUWeight", event->PileUpWeight());
if ( selectionCriteria == SelectionCriteria::ElectronPlusJetsReference ) {
double electronEfficiencyCorrection = 1;
if ( !event->isRealData() ) {
const ElectronPointer signalElectron(boost::static_pointer_cast<Electron>(signalLepton));
electronEfficiencyCorrection = signalElectron->getEfficiencyCorrection( 0 );
}
treeMan_->Fill("ElectronEfficiencyCorrection",electronEfficiencyCorrection);
}
else if ( selectionCriteria == SelectionCriteria::MuonPlusJetsReference ) {
double muonEfficiencyCorrection = 1;
if ( !event->isRealData() ) {
const MuonPointer signalMuon(boost::static_pointer_cast<Muon>(signalLepton));
muonEfficiencyCorrection = signalMuon->getEfficiencyCorrection( 0 );
}
treeMan_->Fill("MuonEfficiencyCorrection",muonEfficiencyCorrection);
}
}
double BTagWeight::weight(const JetCollection jets, const int systematic) const {
float bTaggedMCJet = 1.0;
float nonBTaggedMCJet = 1.0;
float bTaggedDataJet = 1.0;
float nonBTaggedDataJet = 1.0;
for (unsigned int index = 0; index < jets.size(); ++index) {
// Info on this jet
const JetPointer jet(jets.at(index));
double jetPt = jet->pt();
if ( jetPt < 25 ) continue;
// If the pt of the jet is outside the pt range of the SFs,
// use the pt at the upper/lower edge and double the uncertainty.
bool ptOutOfRange = false;
if ( jetPt <= 30 || jet->pt() >= 670 ) {
ptOutOfRange = true;
}
const unsigned int partonFlavour = abs( jet->partonFlavour() );
const bool isBTagged = jet->isBJet();
// Get scale factor for this jet
const double sf = jet->getBTagSF( 0 );
double sf_up = jet->getBTagSF( 1 );
double sf_down = jet->getBTagSF( -1 );
if ( ptOutOfRange ) {
sf_up = sf + 2 * ( sf_up - sf );
sf_down = sf - 2 * ( sf - sf_down );
if ( sf_up < 0 ) sf_up = 0;
if ( sf_down < 0 ) sf_down = 0;
}
// Get efficiency for this jet
const double eff = getEfficiency( partonFlavour, jet );
double sfToUse = sf;
if ( systematic == 1 ) {
sfToUse = sf_up;
}
else if ( systematic == -1 ) {
sfToUse = sf_down;
}
if ( isBTagged ) {
bTaggedMCJet *= eff;
if ( eff*sfToUse > 1 ) {
bTaggedDataJet *= 1;
}
else if ( eff*sfToUse < 0 ) {
bTaggedDataJet *= 0;
}
else {
bTaggedDataJet *= eff*sfToUse;
}
}
else {
nonBTaggedMCJet *= ( 1 - eff );
if ( eff*sfToUse > 1 ) {
nonBTaggedDataJet *= 0;
}
else if ( eff*sfToUse < 0 ) {
nonBTaggedDataJet *= 1;
}
else {
bTaggedDataJet *= ( 1 - eff*sfToUse );
}
}
// if ( nonBTaggedMCJet < 0 || nonBTaggedDataJet < 0 ) {
// cout << nonBTaggedMCJet << " " << nonBTaggedDataJet << endl;
// cout << eff << " " << sfToUse << endl;
// }
}
double bTagWeight = (nonBTaggedDataJet * bTaggedDataJet) / (nonBTaggedMCJet * bTaggedMCJet);
return bTagWeight;
}
void JetAnalyser::analyse(const EventPtr event) {
histMan_->setCurrentHistogramFolder(histogramFolder_);
treeMan_->setCurrentFolder(histogramFolder_);
weight_ = event->weight() * prescale_ * scale_;
// const JetCollection jets = event->Jets();
const JetCollection jets(event->CleanedJets());
const JetCollection bjets(event->CleanedBJets());
unsigned int numberOfBJets = event->NJets(bjets);
unsigned int numberOfJets = event->NJets(jets);
treeMan_->Fill("NJets", numberOfJets);
treeMan_->Fill("NBJets", numberOfBJets);
for (unsigned int index = 0; index < jets.size(); ++index) {
const JetPointer jet(jets.at(index));
if (jet->pt() < 25 ) continue;
if (index < 5) {
stringstream temp;
temp << "jet" << (index + 1);
string nthJet = temp.str();
treeMan_->Fill( nthJet + "_pt", jet->pt());
treeMan_->Fill( nthJet + "_eta", jet->eta());
treeMan_->Fill( nthJet + "_phi", jet->phi());
}
treeMan_->Fill("pt", jet->pt());
treeMan_->Fill("eta", jet->eta());
treeMan_->Fill("phi", jet->phi());
}
for (unsigned int index = 0; index < bjets.size(); ++index) {
const JetPointer bJet(bjets.at(index));
if ( bJet->pt() < 25 ) continue;
treeMan_->Fill("bjet_pt", bJet->pt());
treeMan_->Fill("bjet_eta", bJet->eta());
treeMan_->Fill("bjet_phi", bJet->phi());
}
// if ( numberOfJets < 4 ) {
// cout << "Fewer than 4 good cleaned jets with pt > 25 GeV : " << numberOfJets << endl;
// cout << numberOfJets << " " << numberOfBJets << endl;
// }
treeMan_->Fill("EventWeight", weight_ );
if ( event->PassesMuonTriggerAndSelection() ) {
const LeptonPointer signalLepton = event->getSignalLepton( SelectionCriteria::MuonPlusJetsReference );
const MuonPointer signalMuon(boost::static_pointer_cast<Muon>(signalLepton));
double efficiencyCorrection = event->isRealData() ? 1. : signalMuon->getEfficiencyCorrection( 0 );
treeMan_->Fill("MuonEfficiencyCorrection", efficiencyCorrection);
}
else if ( event->PassesElectronTriggerAndSelection() ) {
const LeptonPointer signalLepton = event->getSignalLepton( SelectionCriteria::ElectronPlusJetsReference );
const ElectronPointer signalElectron(boost::static_pointer_cast<Electron>(signalLepton));
double efficiencyCorrection = event->isRealData() ? 1. : signalElectron->getEfficiencyCorrection( 0 );
treeMan_->Fill("ElectronEfficiencyCorrection", efficiencyCorrection);
}
}