const ElectronCollection TopPairEMuReferenceSelection::signalElectrons(const EventPtr event) const { const MuonCollection muons(goodMuons(event)); const ElectronCollection electrons(goodElectrons(event)); ElectronCollection signalElectrons; double ptMax = 0; int storeIndexA = -1; // cout << "loop for max pt, muons: " << muons.size() << "electrons: " << electrons.size() << endl; if(electrons.size() >= 1 && muons.size() >= 1){ for (unsigned int indexA = 0; indexA < electrons.size(); ++indexA) { const ElectronPointer electron(electrons.at(indexA)); for (unsigned int indexB = 0; indexB < muons.size(); ++indexB) { const MuonPointer muon(muons.at(indexB)); if((electron->charge()*muon->charge() < 0) && ((electron->pt()+muon->pt())>ptMax)){ ptMax = electron->pt()+muon->pt(); storeIndexA = indexA; } } } if(storeIndexA != -1) signalElectrons.push_back(electrons.at(storeIndexA)); } return signalElectrons; }
bool TopPairEMuReferenceSelection::passesZmassVeto(const EventPtr event) const { const ElectronCollection electrons(signalElectrons(event)); const MuonCollection muons(signalMuons(event)); ElectronCollection electronColl; MuonCollection muonColl; double ptMax = 0; int storeIndexA = -1; int storeIndexB = -1; if(electrons.size() >= 1 && muons.size() >= 1){ for (unsigned int indexA = 0; indexA < electrons.size(); ++indexA) { const ElectronPointer electron(electrons.at(indexA)); for (unsigned int indexB = 0; indexB < muons.size(); ++indexB) { const MuonPointer muon(muons.at(indexB)); if((electron->charge() == -muon->charge()) && ((electron->pt()+muon->pt())>ptMax)){ ptMax = electron->pt()+muon->pt(); storeIndexA = indexA; storeIndexB = indexB; } } if(storeIndexA != storeIndexB){ electronColl.push_back(electrons.at(storeIndexA)); muonColl.push_back(muons.at(storeIndexB)); } } } ElectronPointer electron = electronColl.front(); MuonPointer muon = muonColl.front(); double mass = 0; ParticlePointer dilepton; dilepton = ParticlePointer(new Particle(*electron + *muon)); mass = dilepton->mass(); return mass < 76 || mass > 106; }