Inheritance diagram for MuonFSRProducer:

Public Member Functions
	MuonFSRProducer (const edm::ParameterSet &iConfig)

	~MuonFSRProducer () override

Public Member Functions inherited from edm::global::EDProducer<>
	EDProducer ()=default

bool	hasAbilityToProduceInLumis () const final

bool	hasAbilityToProduceInRuns () const final

bool	wantsGlobalLuminosityBlocks () const final

bool	wantsGlobalRuns () const final

bool	wantsStreamLuminosityBlocks () const final

bool	wantsStreamRuns () const final

Public Member Functions inherited from edm::global::EDProducerBase
	EDProducerBase ()

ModuleDescription const &	moduleDescription () const

	~EDProducerBase () override

Public Member Functions inherited from edm::ProducerBase
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)

std::vector< edm::ProductResolverIndex > const &	indiciesForPutProducts (BranchType iBranchType) const

	ProducerBase ()

std::vector< edm::ProductResolverIndex > const &	putTokenIndexToProductResolverIndex () const

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

std::function< void(BranchDescription const &)>	registrationCallback () const
	used by the fwk to register list of products More...

void	resolvePutIndicies (BranchType iBranchType, ModuleToResolverIndicies const &iIndicies, std::string const &moduleLabel)

	~ProducerBase () noexcept(false) override

Public Member Functions inherited from edm::EDConsumerBase
std::vector< ConsumesInfo >	consumesInfo () const

void	convertCurrentProcessAlias (std::string const &processName)
	Convert "@currentProcess" in InputTag process names to the actual current process name. More...

	EDConsumerBase ()

	EDConsumerBase (EDConsumerBase const &)=delete

	EDConsumerBase (EDConsumerBase &&)=default

ProductResolverIndexAndSkipBit	indexFrom (EDGetToken, BranchType, TypeID const &) const

void	itemsMayGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const

void	itemsToGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const

std::vector< ProductResolverIndexAndSkipBit > const &	itemsToGetFrom (BranchType iType) const

void	labelsForToken (EDGetToken iToken, Labels &oLabels) const

void	modulesWhoseProductsAreConsumed (std::vector< ModuleDescription const * > &modules, ProductRegistry const &preg, std::map< std::string, ModuleDescription const * > const &labelsToDesc, std::string const &processName) const

EDConsumerBase const &	operator= (EDConsumerBase const &)=delete

EDConsumerBase &	operator= (EDConsumerBase &&)=default

bool	registeredToConsume (ProductResolverIndex, bool, BranchType) const

bool	registeredToConsumeMany (TypeID const &, BranchType) const

ProductResolverIndexAndSkipBit	uncheckedIndexFrom (EDGetToken) const

void	updateLookup (BranchType iBranchType, ProductResolverIndexHelper const &, bool iPrefetchMayGet)

virtual	~EDConsumerBase () noexcept(false)

Static Public Member Functions
static void	fillDescriptions (edm::ConfigurationDescriptions &descriptions)

Static Public Member Functions inherited from edm::global::EDProducerBase
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

Private Member Functions
double	computeRelativeIsolation (const pat::PackedCandidate &photon, const pat::PackedCandidateCollection &pfcands, const double &isoConeMax, const double &isoConeMin) const

void	produce (edm::StreamID, edm::Event &, const edm::EventSetup &) const override

Private Attributes
float	drEtCut

const edm::EDGetTokenT< pat::ElectronCollection >	electrons_

float	etaCut

float	isoCut

const edm::EDGetTokenT< edm::View< reco::Muon > >	muons_

const edm::EDGetTokenT< pat::PackedCandidateCollection >	pfcands_

float	photonPtCut

float	ptCut

Additional Inherited Members
Public Types inherited from edm::global::EDProducerBase
typedef EDProducerBase	ModuleType

Public Types inherited from edm::ProducerBase
using	ModuleToResolverIndicies = std::unordered_multimap< std::string, std::tuple< edm::TypeID const , const char , edm::ProductResolverIndex >>

typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Public Types inherited from edm::EDConsumerBase
typedef ProductLabels	Labels

Protected Member Functions inherited from edm::EDConsumerBase
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	consumes (edm::InputTag const &tag)

EDGetToken	consumes (const TypeToGet &id, edm::InputTag const &tag)

template<BranchType B>
EDGetToken	consumes (TypeToGet const &id, edm::InputTag const &tag)

ConsumesCollector	consumesCollector ()
	Use a ConsumesCollector to gather consumes information from helper functions. More...

template<typename ProductType , BranchType B = InEvent>
void	consumesMany ()

void	consumesMany (const TypeToGet &id)

template<BranchType B>
void	consumesMany (const TypeToGet &id)

template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	mayConsume (edm::InputTag const &tag)

EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

template<BranchType B>
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

Detailed Description

Definition at line 26 of file MuonFSRProducer.cc.

Constructor & Destructor Documentation

MuonFSRProducer::MuonFSRProducer ( const edm::ParameterSet & iConfig )

inlineexplicit

Definition at line 28 of file MuonFSRProducer.cc.

References drEtCut, electrons_, etaCut, edm::ParameterSet::getParameter(), isoCut, muons_, photonPtCut, and ptCut.

       :
 
         pfcands_{consumes<pat::PackedCandidateCollection>(iConfig.getParameter<edm::InputTag>("packedPFCandidates"))},
         electrons_{consumes<pat::ElectronCollection>(iConfig.getParameter<edm::InputTag>("slimmedElectrons"))},
         muons_{consumes<edm::View<reco::Muon>>(iConfig.getParameter<edm::InputTag>("muons"))},
         ptCut(iConfig.getParameter<double>("muonPtMin")),
         etaCut(iConfig.getParameter<double>("muonEtaMax")),
         photonPtCut(iConfig.getParameter<double>("photonPtMin")),
         drEtCut(iConfig.getParameter<double>("deltaROverEt2Max")),
         isoCut(iConfig.getParameter<double>("isolation")) {
     produces<std::vector<pat::GenericParticle>>();
   }

MuonFSRProducer::~MuonFSRProducer ( )

inlineoverride

Definition at line 59 of file MuonFSRProducer.cc.

References computeRelativeIsolation(), muons2muons_cfi::photon, and produce().

59 {}

Member Function Documentation

double MuonFSRProducer::computeRelativeIsolation	(	const pat::PackedCandidate &	photon,
		const pat::PackedCandidateCollection &	pfcands,
		const double &	isoConeMax,
		const double &	isoConeMin
	)		const

private

Definition at line 188 of file MuonFSRProducer.cc.

References funct::abs(), DEFINE_FWK_MODULE, deltaR(), pat::PackedCandidate::eta(), pfDeepBoostedJetPreprocessParams_cfi::pfcand, pat::PackedCandidate::phi(), and pat::PackedCandidate::pt().

Referenced by produce(), and ~MuonFSRProducer().

                                                                                  {
   double ptsum = 0;
 
   for (auto pfcand : pfcands) {
     // Isolation cone requirement
     double dRIsoCone = deltaR(photon.eta(), photon.phi(), pfcand.eta(), pfcand.phi());
     if (dRIsoCone > isoConeMax)
       continue;
     if (dRIsoCone < isoConeMin)
       continue;
 
     if (pfcand.charge() != 0 && abs(pfcand.pdgId()) == 211 && pfcand.pt() > 0.2) {
       if (dRIsoCone > 0.0001)
         ptsum += pfcand.pt();
     } else if (pfcand.charge() == 0 && (abs(pfcand.pdgId()) == 22 || abs(pfcand.pdgId()) == 130) && pfcand.pt() > 0.5) {
       if (dRIsoCone > 0.01)
         ptsum += pfcand.pt();
     }
   }
 
   return ptsum / photon.pt();
 }

static void MuonFSRProducer::fillDescriptions ( edm::ConfigurationDescriptions & descriptions )

inlinestatic

Definition at line 41 of file MuonFSRProducer.cc.

References edm::ParameterSetDescription::add(), edm::ConfigurationDescriptions::addWithDefaultLabel(), and edm::ParameterDescriptionNode::setComment().

                                                                            {
     edm::ParameterSetDescription desc;
     desc.add<edm::InputTag>("packedPFCandidates", edm::InputTag("packedPFCandidates"))
         ->setComment("packed pf candidates where to look for photons");
     desc.add<edm::InputTag>("slimmedElectrons", edm::InputTag("slimmedElectrons"))
         ->setComment(
             "electrons to check for footprint, the electron collection must have proper linking with the "
             "packedCandidate collection");
     desc.add<edm::InputTag>("muons", edm::InputTag("slimmedMuons"))
         ->setComment("collection of muons to correct for FSR ");
     desc.add<double>("muonPtMin", 20.)->setComment("minimum pt of the muon to look for a near photon");
     desc.add<double>("muonEtaMax", 2.4)->setComment("max eta of the muon to look for a near photon");
     desc.add<double>("photonPtMin", 2.0)->setComment("minimum photon Pt");
     desc.add<double>("deltaROverEt2Max", 0.05)->setComment("max ratio of deltsR(mu,photon) over et2 of the photon");
     desc.add<double>("isolation", 2.0)->setComment("relative isolation cut");
 
     descriptions.addWithDefaultLabel(desc);
   }

void MuonFSRProducer::produce	(	edm::StreamID	streamID,
		edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)		const

overrideprivate

Definition at line 80 of file MuonFSRProducer.cc.

References funct::abs(), computeRelativeIsolation(), deltaR(), drEtCut, nano_cff::electrons, electrons_, etaCut, edm::Event::getByToken(), edm::Ref< C, T, F >::id(), isoCut, edm::Ref< C, T, F >::key(), eostools::move(), metsig::muon, extraflags_cff::muons, muons_, or, pfcands_, photonPtCut, ptCut, and edm::Event::put().

Referenced by ~MuonFSRProducer().

                                                                                                        {
   using namespace std;
 
   edm::Handle<pat::PackedCandidateCollection> pfcands;
   iEvent.getByToken(pfcands_, pfcands);
   edm::Handle<edm::View<reco::Muon>> muons;
   iEvent.getByToken(muons_, muons);
   edm::Handle<pat::ElectronCollection> electrons;
   iEvent.getByToken(electrons_, electrons);
 
   auto fsrPhotons = std::make_unique<std::vector<pat::GenericParticle>>();
   // loop over all muons
   for (auto muon = muons->begin(); muon != muons->end(); ++muon) {
     int photonPosition = -1;
     double distance_metric_min = -1;
     // minimum muon pT
     if (muon->pt() < ptCut)
       continue;
     // maximum muon eta
     if (abs(muon->eta()) > etaCut)
       continue;
 
     // for each muon, loop over all pf cadidates
     for (auto iter_pf = pfcands->begin(); iter_pf != pfcands->end(); iter_pf++) {
       auto const& pc = *iter_pf;
 
       // consider only photons
       if (abs(pc.pdgId()) != 22)
         continue;
       // minimum pT cut
       if (pc.pt() < photonPtCut)
         continue;
 
       // eta requirements
       if (abs(pc.eta()) > 1.4 and (abs(pc.eta()) < 1.6))
         continue;
       if (abs(pc.eta()) > 2.5)
         continue;
 
       // 0.0001 < DeltaR(photon,muon) < 0.5 requirement
       double dRPhoMu = deltaR(muon->eta(), muon->phi(), pc.eta(), pc.phi());
       if (dRPhoMu < 0.0001)
         continue;
       if (dRPhoMu > 0.5)
         continue;
 
       bool skipPhoton = false;
       bool closest = true;
 
       for (auto othermuon = muons->begin(); othermuon != muons->end(); ++othermuon) {
         if (othermuon->pt() < ptCut or abs(othermuon->eta()) > etaCut or muon == othermuon)
           continue;
         double dRPhoMuOther = deltaR(othermuon->eta(), othermuon->phi(), pc.eta(), pc.phi());
         if (dRPhoMuOther < dRPhoMu) {
           closest = false;
           break;
         }
       }
       if (!closest)
         continue;
 
       // Check that is not in footprint of an electron
       pat::PackedCandidateRef pfcandRef = pat::PackedCandidateRef(pfcands, iter_pf - pfcands->begin());
 
       for (auto electrons_iter = electrons->begin(); electrons_iter != electrons->end(); ++electrons_iter) {
         for (auto const& cand : electrons_iter->associatedPackedPFCandidates()) {
           if (!cand.isAvailable())
             continue;
           if (cand.id() != pfcandRef.id())
             throw cms::Exception("Configuration")
                 << "The electron associatedPackedPFCandidates item does not have "
                 << "the same ID of packed candidate collection used for cleaning the electron footprint: " << cand.id()
                 << " (" << pfcandRef.id() << ")\n";
           if (cand.key() == pfcandRef.key()) {
             skipPhoton = true;
             break;
           }
         }
         if (skipPhoton)
           break;
       }
 
       if (skipPhoton)
         continue;
 
       // use only isolated photons (very loose prelection can be tightened on analysis level)
       float photon_relIso03 = computeRelativeIsolation(pc, *pfcands, 0.3, 0.0001);
       if (photon_relIso03 > isoCut)
         continue;
       double metric = deltaR(muon->eta(), muon->phi(), pc.eta(), pc.phi()) / (pc.pt() * pc.pt());
       if (metric > drEtCut)
         continue;
       fsrPhotons->push_back(pat::GenericParticle(pc));
       fsrPhotons->back().addUserFloat("relIso03", photon_relIso03);  // isolation, no CHS
       fsrPhotons->back().addUserCand("associatedMuon", reco::CandidatePtr(muons, muon - muons->begin()));
       fsrPhotons->back().addUserFloat("dROverEt2", metric);  // dR/et2 to the closest muon
 
       // FSR photon defined as the one with minimum value of DeltaR/Et^2
       if (photonPosition == -1 or metric < distance_metric_min) {
         distance_metric_min = metric;
         photonPosition = fsrPhotons->size() - 1;
       }
     }
   }
 
   edm::OrphanHandle<std::vector<pat::GenericParticle>> oh = iEvent.put(std::move(fsrPhotons));
 }