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Merge pull request #22980 from andreh7/2018-04-12-pythia-gg-filter-su…
…pport-master double EM enrichment filter support for HepMCfilter
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Configuration/Generator/python/doubleEMEnrichingHepMCfilter_cfi.py
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| import FWCore.ParameterSet.Config as cms | ||
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| doubleEMenrichingHepMCfilterParams = cms.PSet( | ||
| # seed thresholds | ||
| PtSeedThr = cms.untracked.double(5.0), | ||
| EtaSeedThr = cms.untracked.double(2.8), | ||
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| # photon thresholds | ||
| PtGammaThr = cms.untracked.double(0.0), | ||
| EtaGammaThr = cms.untracked.double(2.8), | ||
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| # electron threshold | ||
| PtElThr = cms.untracked.double(2.0), | ||
| EtaElThr = cms.untracked.double(2.8), | ||
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| dRSeedMax = cms.untracked.double(0.0), | ||
| dPhiSeedMax = cms.untracked.double(0.2), | ||
| dEtaSeedMax = cms.untracked.double(0.12), | ||
| dRNarrowCone = cms.untracked.double(0.02), | ||
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| PtTkThr = cms.untracked.double(1.6), | ||
| EtaTkThr = cms.untracked.double(2.2), | ||
| dRTkMax = cms.untracked.double(0.2), | ||
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| PtMinCandidate1 = cms.untracked.double(15.0), | ||
| PtMinCandidate2 = cms.untracked.double(15.0), | ||
| EtaMaxCandidate = cms.untracked.double(3.0), | ||
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| NTkConeMax = cms.untracked.int32(2), | ||
| NTkConeSum = cms.untracked.int32(4), | ||
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| # mass 80..Inf GeV | ||
| InvMassMin = cms.untracked.double(80.0), | ||
| InvMassMax = cms.untracked.double(14000.0), | ||
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| EnergyCut = cms.untracked.double(1.0), | ||
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| AcceptPrompts = cms.untracked.bool(True), | ||
| PromptPtThreshold = cms.untracked.double(15.0), | ||
| ) |
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GeneratorInterface/Core/interface/PythiaHepMCFilterGammaGamma.h
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| #ifndef PYTHIAHEPMCFILTERGAMMAGAMMA_h | ||
| #define PYTHIAHEPMCFILTERGAMMAGAMMA_h | ||
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| // | ||
| // Package: GeneratorInterface/GenFilters | ||
| // Class: PythiaHepMCFilterGammaGamma | ||
| // | ||
| // Original Author: Matteo Sani | ||
| // | ||
| // | ||
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| #include "FWCore/Framework/interface/Frameworkfwd.h" | ||
| #include "GeneratorInterface/Core/interface/BaseHepMCFilter.h" | ||
| #include "FWCore/Framework/interface/EDFilter.h" | ||
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| #include "FWCore/Framework/interface/Event.h" | ||
| #include "FWCore/Framework/interface/MakerMacros.h" | ||
| #include "FWCore/ParameterSet/interface/ParameterSet.h" | ||
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| namespace edm { | ||
| class HepMCProduct; | ||
| } | ||
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| class PythiaHepMCFilterGammaGamma : public BaseHepMCFilter { | ||
| public: | ||
| explicit PythiaHepMCFilterGammaGamma(const edm::ParameterSet&); | ||
| ~PythiaHepMCFilterGammaGamma() override; | ||
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| /** @return true if this GenEvent passes the double EM enrichment | ||
| criterion */ | ||
| bool filter(const HepMC::GenEvent* myGenEvent) override; | ||
| private: | ||
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| const edm::EDGetTokenT<edm::HepMCProduct> token_; | ||
| const int maxEvents; | ||
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| const double ptSeedThr, etaSeedThr, ptGammaThr, etaGammaThr, ptTkThr, etaTkThr; | ||
| const double ptElThr, etaElThr, dRTkMax, dRSeedMax, dPhiSeedMax, dEtaSeedMax, dRNarrowCone, pTMinCandidate1, pTMinCandidate2, etaMaxCandidate; | ||
| const double invMassMin, invMassMax; | ||
| const double energyCut; | ||
| const int nTkConeMax, nTkConeSum; | ||
| const bool acceptPrompts; | ||
| const double promptPtThreshold; | ||
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| }; | ||
| #endif |
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GeneratorInterface/Core/src/PythiaHepMCFilterGammaGamma.cc
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| #include "GeneratorInterface/Core/interface/PythiaHepMCFilterGammaGamma.h" | ||
| #include "DataFormats/Math/interface/LorentzVector.h" | ||
| #include "Math/GenVector/VectorUtil.h" | ||
| //#include "CLHEP/HepMC/GenParticle.h" | ||
| #include "SimDataFormats/GeneratorProducts/interface/HepMCProduct.h" | ||
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| #include "TLorentzVector.h" | ||
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| #include <iostream> | ||
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| using namespace edm; | ||
| using namespace std; | ||
| using namespace HepMC; | ||
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| PythiaHepMCFilterGammaGamma::PythiaHepMCFilterGammaGamma(const edm::ParameterSet& iConfig) : | ||
| maxEvents(iConfig.getUntrackedParameter<int>("maxEvents", 0)), | ||
| ptSeedThr(iConfig.getUntrackedParameter<double>("PtSeedThr")), | ||
| etaSeedThr(iConfig.getUntrackedParameter<double>("EtaSeedThr")), | ||
| ptGammaThr(iConfig.getUntrackedParameter<double>("PtGammaThr")), | ||
| etaGammaThr(iConfig.getUntrackedParameter<double>("EtaGammaThr")), | ||
| ptTkThr(iConfig.getUntrackedParameter<double>("PtTkThr")), | ||
| etaTkThr(iConfig.getUntrackedParameter<double>("EtaTkThr")), | ||
| ptElThr(iConfig.getUntrackedParameter<double>("PtElThr")), | ||
| etaElThr(iConfig.getUntrackedParameter<double>("EtaElThr")), | ||
| dRTkMax(iConfig.getUntrackedParameter<double>("dRTkMax")), | ||
| dRSeedMax(iConfig.getUntrackedParameter<double>("dRSeedMax")), | ||
| dPhiSeedMax(iConfig.getUntrackedParameter<double>("dPhiSeedMax")), | ||
| dEtaSeedMax(iConfig.getUntrackedParameter<double>("dEtaSeedMax")), | ||
| dRNarrowCone(iConfig.getUntrackedParameter<double>("dRNarrowCone")), | ||
| pTMinCandidate1(iConfig.getUntrackedParameter<double>("PtMinCandidate1")), | ||
| pTMinCandidate2(iConfig.getUntrackedParameter<double>("PtMinCandidate2")), | ||
| etaMaxCandidate(iConfig.getUntrackedParameter<double>("EtaMaxCandidate")), | ||
| invMassMin(iConfig.getUntrackedParameter<double>("InvMassMin")), | ||
| invMassMax(iConfig.getUntrackedParameter<double>("InvMassMax")), | ||
| energyCut(iConfig.getUntrackedParameter<double>("EnergyCut")), | ||
| nTkConeMax(iConfig.getUntrackedParameter<int>("NTkConeMax")), | ||
| nTkConeSum(iConfig.getUntrackedParameter<int>("NTkConeSum")), | ||
| acceptPrompts(iConfig.getUntrackedParameter<bool>("AcceptPrompts")), | ||
| promptPtThreshold(iConfig.getUntrackedParameter<double>("PromptPtThreshold")) { | ||
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| if (maxEvents != 0) edm::LogInfo("PythiaFilterGammaGamma::PythiaFilterGammaGamma") << "WARNING, ignoring unsuported option, maxEvents = " << maxEvents << endl; | ||
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| } | ||
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| PythiaHepMCFilterGammaGamma::~PythiaHepMCFilterGammaGamma() | ||
| { | ||
| } | ||
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| bool PythiaHepMCFilterGammaGamma::filter(const HepMC::GenEvent* myGenEvent) { | ||
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| bool accepted = false; | ||
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| std::vector<const GenParticle*> seeds, egamma, stable; | ||
| std::vector<const GenParticle*>::const_iterator itPart, itStable, itEn; | ||
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| // Loop on egamma | ||
| for(HepMC::GenEvent::particle_const_iterator p = myGenEvent->particles_begin(); p != myGenEvent->particles_end(); ++p) { | ||
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| if ( | ||
| ((*p)->status()==1&&(*p)->pdg_id() == 22) || // gamma | ||
| ((*p)->status()==1&&abs((*p)->pdg_id()) == 11)) // electron | ||
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| { | ||
| // check for eta and pT threshold for seed in gamma, el | ||
| if ((*p)->momentum().perp() > ptSeedThr && | ||
| fabs((*p)->momentum().eta()) < etaSeedThr) { | ||
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| seeds.push_back(*p); | ||
| } | ||
| } | ||
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| if ((*p)->status() == 1) { | ||
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| // save charged stable tracks | ||
| if (abs((*p)->pdg_id()) == 211 || | ||
| abs((*p)->pdg_id()) == 321 || | ||
| abs((*p)->pdg_id()) == 11 || | ||
| abs((*p)->pdg_id()) == 13 || | ||
| abs((*p)->pdg_id()) == 15) { | ||
| // check if it passes the cut | ||
| if ((*p)->momentum().perp() > ptTkThr && | ||
| fabs((*p)->momentum().eta()) < etaTkThr) { | ||
| stable.push_back(*p); | ||
| } | ||
| } | ||
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| // save egamma for candidate calculation | ||
| if ((*p)->pdg_id() == 22 && | ||
| (*p)->momentum().perp() > ptGammaThr && | ||
| fabs((*p)->momentum().eta()) < etaGammaThr) { | ||
| egamma.push_back(*p); | ||
| } | ||
| if (abs((*p)->pdg_id()) == 11 && | ||
| (*p)->momentum().perp() > ptElThr && | ||
| fabs((*p)->momentum().eta()) < etaElThr) { | ||
| egamma.push_back(*p); | ||
| } | ||
| } | ||
| } | ||
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| if (seeds.size() < 2) return accepted; | ||
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| std::vector<int> nTracks; | ||
| std::vector<TLorentzVector> candidate, candidateNarrow, candidateSeed; | ||
| std::vector<const GenParticle*>::iterator itSeed; | ||
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| const GenParticle* mom; | ||
| int this_id; | ||
| int first_different_id; | ||
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| for(itSeed = seeds.begin(); itSeed != seeds.end(); ++itSeed) { | ||
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| TLorentzVector energy, narrowCone, temp1, temp2, tempseed; | ||
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| tempseed.SetXYZM((*itSeed)->momentum().px(), (*itSeed)->momentum().py(), (*itSeed)->momentum().pz(), 0); | ||
| for(itEn = egamma.begin(); itEn != egamma.end(); ++itEn) { | ||
| temp1.SetXYZM((*itEn)->momentum().px(), (*itEn)->momentum().py(), (*itEn)->momentum().pz(), 0); | ||
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| double DR = temp1.DeltaR(tempseed); | ||
| double DPhi = temp1.DeltaPhi(tempseed); | ||
| double DEta = (*itEn)->momentum().eta()-(*itSeed)->momentum().eta(); | ||
| if(DPhi<0) DPhi=-DPhi; | ||
| if(DEta<0) DEta=-DEta; | ||
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| if (DR < dRSeedMax || (DPhi<dPhiSeedMax&&DEta<dEtaSeedMax)) { | ||
| energy += temp1; | ||
| } | ||
| if (DR < dRNarrowCone) { | ||
| narrowCone += temp1; | ||
| } | ||
| } | ||
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| int counter = 0; | ||
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| if ( energy.Et() != 0. ) { | ||
| if (fabs(energy.Eta()) < etaMaxCandidate) { | ||
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| temp2.SetXYZM(energy.Px(), energy.Py(), energy.Pz(), 0); | ||
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| for(itStable = stable.begin(); itStable != stable.end(); ++itStable) { | ||
| temp1.SetXYZM((*itStable)->momentum().px(), (*itStable)->momentum().py(), (*itStable)->momentum().pz(), 0); | ||
| double DR = temp1.DeltaR(temp2); | ||
| if (DR < dRTkMax) counter++; | ||
| } | ||
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| if(acceptPrompts) { | ||
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| if ((*itSeed)->momentum().perp()>promptPtThreshold) | ||
| { | ||
| bool isPrompt=true; | ||
| this_id = (*itSeed)->pdg_id(); | ||
| mom = (*itSeed); | ||
| while (mom->pdg_id() == this_id) { | ||
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| const GenParticle* mother = mom->production_vertex() ? | ||
| *(mom->production_vertex()->particles_in_const_begin()) : nullptr; | ||
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| mom = mother; | ||
| if (mom == nullptr) { | ||
| break; | ||
| } | ||
| } | ||
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| first_different_id = mom->pdg_id(); | ||
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| if (mom->status() == 2 && std::abs(first_different_id)>100) isPrompt=false; | ||
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| if(isPrompt) counter=0; | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| candidate.push_back(energy); | ||
| candidateSeed.push_back(tempseed); | ||
| candidateNarrow.push_back(narrowCone); | ||
| nTracks.push_back(counter); | ||
| } | ||
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| if (candidate.size() <2) return accepted; | ||
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| TLorentzVector minvMin, minvMax; | ||
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| int i1, i2; | ||
| for(unsigned int i=0; i<candidate.size()-1; ++i) { | ||
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| if (candidate[i].Energy() < energyCut) continue; | ||
| if(nTracks[i]>nTkConeMax) continue; | ||
| if (fabs(candidate[i].Eta()) > etaMaxCandidate) continue; | ||
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| for(unsigned int j=i+1; j<candidate.size(); ++j) { | ||
| if (candidate[j].Energy() < energyCut) continue; | ||
| if(nTracks[j]>nTkConeMax) continue; | ||
| if (fabs(candidate[j].Eta()) > etaMaxCandidate) continue; | ||
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| if (nTracks[i] + nTracks[j] > nTkConeSum) continue; | ||
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| if (candidate[i].Pt() > candidate[j].Pt()) { | ||
| i1 = i; | ||
| i2 = j; | ||
| } | ||
| else { | ||
| i1 = j; | ||
| i2 = i; | ||
| } | ||
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| if (candidate[i1].Pt() < pTMinCandidate1 || candidate[i2].Pt() < pTMinCandidate2) continue; | ||
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| minvMin = candidate[i] + candidate[j]; | ||
| if (minvMin.M() < invMassMin) continue; | ||
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| minvMax = candidate[i] + candidate[j]; | ||
| if (minvMax.M() > invMassMax) continue; | ||
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| accepted = true; | ||
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| } | ||
| } | ||
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| return accepted; | ||
| } | ||
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