Inheritance diagram for reco::modules::JetFlavourIdentifier:

Public Types
enum	DEFINITION_T { PHYSICS =0, ALGO, NEAREST_STATUS2, NEAREST_STATUS3, HEAVIEST, N_DEFINITIONS, NULL_DEF }

Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType

typedef WorkerT< EDProducer >	WorkerType

Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Public Member Functions
	JetFlavourIdentifier (const edm::ParameterSet &)

	~JetFlavourIdentifier ()

Public Member Functions inherited from edm::EDProducer
	EDProducer ()

virtual	~EDProducer ()

Public Member Functions inherited from edm::ProducerBase
	ProducerBase ()

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

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

virtual	~ProducerBase ()

Public Member Functions inherited from edm::EDConsumerBase
	EDConsumerBase ()

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

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

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

void	labelsForToken (EDGetToken iToken, Labels &oLabels) const

void	updateLookup (BranchType iBranchType, ProductHolderIndexHelper const &)

virtual	~EDConsumerBase ()

Private Member Functions
void	fillLeptons (const std::vector< const reco::Candidate * > &, JetFlavour::Leptons &, int, int)

std::vector< const reco::Candidate * >	findCandidates (const reco::Candidate *, int)

JetFlavour::Leptons	findLeptons (const GenParticleRef &)

virtual void	produce (edm::Event &, const edm::EventSetup &)

Static Private Member Functions
static int	heaviestFlavour (int)

Private Attributes
DEFINITION_T	definition

bool	leptonInfo_

bool	physDefinition

InputTag	sourceByRefer_

math::XYZTLorentzVector	thePartonLV

Handle < JetMatchedPartonsCollection >	theTagByRef

Additional Inherited Members
Static Public Member Functions inherited from edm::EDProducer
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

Protected Member Functions inherited from edm::EDProducer
CurrentProcessingContext const *	currentContext () const

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

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 85 of file JetFlavourIdentifier.cc.

Member Enumeration Documentation

enum reco::modules::JetFlavourIdentifier::DEFINITION_T

Enumerator
PHYSICS
ALGO
NEAREST_STATUS2
NEAREST_STATUS3
HEAVIEST
N_DEFINITIONS
NULL_DEF

Definition at line 88 of file JetFlavourIdentifier.cc.

                     { PHYSICS=0, ALGO, NEAREST_STATUS2, NEAREST_STATUS3, HEAVIEST, 
               N_DEFINITIONS,
               NULL_DEF};

Constructor & Destructor Documentation

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

Definition at line 116 of file JetFlavourIdentifier.cc.

References edm::ParameterSet::exists(), and edm::ParameterSet::getParameter().

 {
     produces<JetFlavourMatchingCollection>();
     sourceByRefer_ = iConfig.getParameter<InputTag>("srcByReference");
     physDefinition = iConfig.getParameter<bool>("physicsDefinition");
     leptonInfo_ = iConfig.exists("leptonInfo") ? iConfig.getParameter<bool>("leptonInfo") : true;
     // If we have a definition of which parton to identify, use it,
     // otherwise we default to the "old" behavior of either "physics" or "algorithmic".
     // Furthermore, if the specified definition is not sensible for the given jet,
     // then the "physDefinition" switch is used to identify the flavour of the jet. 
     if ( iConfig.exists("definition") ) {
       definition = static_cast<DEFINITION_T>( iConfig.getParameter<int>("definition") );
     } else {
       definition = NULL_DEF;
     }
 }

JetFlavourIdentifier::~JetFlavourIdentifier ( )

Definition at line 135 of file JetFlavourIdentifier.cc.

136 {

137 }

Member Function Documentation

void JetFlavourIdentifier::fillLeptons	(	const std::vector< const reco::Candidate * > &	cands,
		JetFlavour::Leptons &	leptons,
		int	rank,
		int	flavour
	)

private

test for neutrinos because of conversions and dalitz pions

Definition at line 342 of file JetFlavourIdentifier.cc.

References abs, reco::JetFlavour::Leptons::electron, i, j, max(), reco::JetFlavour::Leptons::muon, benchmark_cfg::pdgId, and reco::JetFlavour::Leptons::tau.

 {
   for(unsigned int j = 0; j < cands.size(); j++) {
     for(unsigned int i = 0; i < cands[j]->numberOfDaughters(); i++) {
       int pdgId = std::abs(cands[j]->daughter(i)->pdgId());
 
 //      for(int z = 1; z <= rank; z *= 10) std::cout << " ------ ";
 //      std::cout << pdgId << std::endl;
 
       if (pdgId == 12)
         leptons.electron += rank;
       else if (pdgId == 14)
         leptons.muon += rank;
       else if (pdgId == 16)
         leptons.tau += rank;
       else {
         int heaviest = heaviestFlavour(pdgId);
         int heaviest_ = heaviest < 10 ? heaviest : 0;
         if (!heaviest || (flavour < 4 ? (heaviest_ < 4) : (heaviest >= 4))) {
           std::vector<const reco::Candidate*> newcands = findCandidates(cands[j]->daughter(i), heaviest);
           if (pdgId <= 110) newcands.push_back(cands[j]->daughter(i));
           fillLeptons(newcands, leptons, rank * 10, std::max(heaviest_, flavour));
         }
       }
     }
   }
 }

std::vector< const reco::Candidate * > JetFlavourIdentifier::findCandidates	(	const reco::Candidate *	cand,
		int	partonFlavour
	)

private

Definition at line 306 of file JetFlavourIdentifier.cc.

References abs, filterCSVwithJSON::copy, reco::Candidate::daughter(), reco::flavour(), i, reco::Candidate::numberOfDaughters(), reco::Candidate::p4(), benchmark_cfg::pdgId, and reco::Candidate::pdgId().

 {
   std::vector<const reco::Candidate*> cands;
   
   for(unsigned int i = 0; i < cand->numberOfDaughters(); i++) {
 /*
     std::cout << "DeltaR - " << partonFlavour << " ";
     if (DeltaR(thePartonLV, cand->daughter(i)->p4()) > 0.7) std::cout << "(";
     std::cout << cand->daughter(i)->pdgId() << ": " << DeltaR(thePartonLV, cand->daughter(i)->p4());
     if (DeltaR(thePartonLV, cand->daughter(i)->p4()) > 0.7) std::cout << ")";
     std::cout << std::endl;
 */
 
     if (DeltaR(thePartonLV, cand->daughter(i)->p4()) < 0.7) {
       int pdgId = std::abs(cand->daughter(i)->pdgId());
       int flavour = heaviestFlavour(pdgId);
       if (flavour == partonFlavour ||
           (flavour >= 10 && partonFlavour >= 10)) {
 //        std::cout << "<------- " << std::endl;
         std::vector<const reco::Candidate*> newcands = findCandidates(cand->daughter(i), partonFlavour);
 //        std::cout << " ------->" << std::endl;
         std::copy(newcands.begin(), newcands.end(), std::back_inserter(cands));
       }
       if (partonFlavour >= 10)
         cands.push_back(cand->daughter(i));
     }
   }
 
   if (cands.empty() && std::abs(cand->pdgId()) > 110 &&
       !(partonFlavour >= 4 && partonFlavour < 10 &&
         heaviestFlavour(cand->pdgId()) < 4))
     cands.push_back(cand);
 
   return cands;
 }

JetFlavour::Leptons JetFlavourIdentifier::findLeptons ( const GenParticleRef & parton )

private

first daughter of the parton should be an MC particle (pdgId==92,93)

lookup particles with parton flavour and weak decay

count leptons of candidates

Definition at line 284 of file JetFlavourIdentifier.cc.

References abs.

 {
   JetFlavour::Leptons theLeptons;
 
   thePartonLV = parton->p4();
 
   const reco::Candidate *mcstring = parton->daughter(0);
   int partonFlavour = std::abs(parton->pdgId());
 //  std::cout << "parton DeltaR: " << DeltaR(thePartonLV, parton->p4()) << std::endl;
 
   std::vector<const reco::Candidate*> candidates = findCandidates(mcstring, partonFlavour);
 //  std::cout << "Candidates are:" << std::endl;
 //  for(unsigned int j = 0; j < candidates.size(); j++) std::cout << "   --> " << candidates[j]->pdgId() << std::endl;
 
   fillLeptons(candidates, theLeptons, 1, partonFlavour);
 
   return theLeptons;
 }

int JetFlavourIdentifier::heaviestFlavour ( int pdgId )

staticprivate

Definition at line 371 of file JetFlavourIdentifier.cc.

References abs, reco::flavour(), and benchmark_cfg::pdgId.

 {
   int flavour = 0;
 
   pdgId = std::abs(pdgId) % 100000;
   if (pdgId > 110) {
     while(pdgId % 10 > 0 && pdgId % 10 < 6) {
       pdgId /= 10;
       if (pdgId % 10 > flavour)
         flavour = pdgId % 10;
     }
   } else
     flavour = pdgId;
 
   return flavour;
 }

void JetFlavourIdentifier::produce	(	edm::Event &	iEvent,
		const edm::EventSetup &	iEs
	)

privatevirtual

Implements edm::EDProducer.

Definition at line 141 of file JetFlavourIdentifier.cc.

References lumi::ALGO, reco::MatchedPartons::algoDefinitionParton(), edm::Ref< C, T, F >::get(), edm::Event::getByLabel(), reco::MatchedPartons::heaviest(), edm::Ref< C, T, F >::isNonnull(), j, findQualityFiles::jj, reco::MatchedPartons::nearest_status2(), reco::MatchedPartons::nearest_status3(), sistrip::PHYSICS, reco::MatchedPartons::physicsDefinitionParton(), and edm::Event::put().

 {
   // Get the JetMatchedPartons
   iEvent.getByLabel (sourceByRefer_, theTagByRef);
 
   // Create a JetFlavourMatchingCollection
   JetFlavourMatchingCollection *jfmc;
   if (!theTagByRef->empty()) {
     RefToBase<Jet> jj = theTagByRef->begin()->first;
     jfmc = new JetFlavourMatchingCollection(RefToBaseProd<Jet>(jj));
   } else {
     jfmc = new JetFlavourMatchingCollection();
   }
   auto_ptr<reco::JetFlavourMatchingCollection> jetFlavMatching(jfmc);
 
   // Loop over the matched partons and see which match. 
   for ( JetMatchedPartonsCollection::const_iterator j  = theTagByRef->begin();
                                                     j != theTagByRef->end();
                                                     j ++ ) {
 
 
     // Consider this match. 
     const MatchedPartons aMatch = (*j).second;
 
     // This will hold the 4-vector, vertex, flavour and the leptonian decays (0: no lepton, xyz: x leptons in layer 2, y in layer 1 and z in layer 0) of the requested object.
     math::XYZTLorentzVector thePartonLorentzVector(0,0,0,0);
     math::XYZPoint          thePartonVertex(0,0,0);
     int                     thePartonFlavour = 0;
     JetFlavour::Leptons     theLeptons;
 
     // get the partons based on which definition to use. 
     switch (definition) {
       case PHYSICS: {
         const GenParticleRef aPartPhy = aMatch.physicsDefinitionParton();
         if (aPartPhy.isNonnull()) {
             thePartonLorentzVector = aPartPhy.get()->p4();
             thePartonVertex        = aPartPhy.get()->vertex();
             thePartonFlavour       = aPartPhy.get()->pdgId();
           if (leptonInfo_) theLeptons = findLeptons(aPartPhy);
         }
         break;
       }
       case ALGO: {
         const GenParticleRef aPartAlg = aMatch.algoDefinitionParton();
         if (aPartAlg.isNonnull()) {
             thePartonLorentzVector = aPartAlg.get()->p4();
             thePartonVertex        = aPartAlg.get()->vertex();
             thePartonFlavour       = aPartAlg.get()->pdgId();
           if (leptonInfo_) theLeptons = findLeptons(aPartAlg);
         }
         break;
       }
       case NEAREST_STATUS2 : {
         const GenParticleRef aPartN2 = aMatch.nearest_status2();
         if (aPartN2.isNonnull()) {
             thePartonLorentzVector = aPartN2.get()->p4();
             thePartonVertex        = aPartN2.get()->vertex();
             thePartonFlavour       = aPartN2.get()->pdgId();
           if (leptonInfo_) theLeptons = findLeptons(aPartN2);
         }
         break;
       }
       case NEAREST_STATUS3: {
         const GenParticleRef aPartN3 = aMatch.nearest_status3();
         if (aPartN3.isNonnull()) {
             thePartonLorentzVector = aPartN3.get()->p4();
             thePartonVertex        = aPartN3.get()->vertex();
             thePartonFlavour       = aPartN3.get()->pdgId();
           if (leptonInfo_) theLeptons = findLeptons(aPartN3);
         }
         break;
       }
       case HEAVIEST: {
         const GenParticleRef aPartHeaviest = aMatch.heaviest();
         if (aPartHeaviest.isNonnull()) {
             thePartonLorentzVector = aPartHeaviest.get()->p4();
             thePartonVertex        = aPartHeaviest.get()->vertex();
             thePartonFlavour       = aPartHeaviest.get()->pdgId();
           if (leptonInfo_) theLeptons = findLeptons(aPartHeaviest);
         }
         break;
       }
       // Default case is backwards-compatible
       default:{
         if (physDefinition) {
           const GenParticleRef aPartPhy = aMatch.physicsDefinitionParton();
       if (aPartPhy.isNonnull()) {
             thePartonLorentzVector = aPartPhy.get()->p4();
             thePartonVertex        = aPartPhy.get()->vertex();
             thePartonFlavour       = aPartPhy.get()->pdgId();
             if (leptonInfo_) theLeptons = findLeptons(aPartPhy);
           }
         } else {
           const GenParticleRef aPartAlg = aMatch.algoDefinitionParton();
           if (aPartAlg.isNonnull()) {
             thePartonLorentzVector = aPartAlg.get()->p4();
             thePartonVertex        = aPartAlg.get()->vertex();
             thePartonFlavour       = aPartAlg.get()->pdgId();
             if (leptonInfo_) theLeptons = findLeptons(aPartAlg);
           }
         }
       } break;
     } // end switch on definition
 
     // Now make sure we have a match. If the user specified "heaviest", for instance,
     // and there is no b- or c-quarks, then fall back to the "physDefinition" switch.
     
     if (thePartonFlavour == 0) {
       if (physDefinition) {
         const GenParticleRef aPartPhy = aMatch.physicsDefinitionParton();
         if (aPartPhy.isNonnull()) {
           thePartonLorentzVector = aPartPhy.get()->p4();
           thePartonVertex        = aPartPhy.get()->vertex();
           thePartonFlavour       = aPartPhy.get()->pdgId();
           if (leptonInfo_) theLeptons = findLeptons(aPartPhy);
         }
       } else {
         const GenParticleRef aPartAlg = aMatch.algoDefinitionParton();
         if (aPartAlg.isNonnull()) {
           thePartonLorentzVector = aPartAlg.get()->p4();
           thePartonVertex        = aPartAlg.get()->vertex();
           thePartonFlavour       = aPartAlg.get()->pdgId();
           if (leptonInfo_) theLeptons = findLeptons(aPartAlg);
         }
       }
     }
 
 /*
      std::cout << "Leptons of " <<thePartonFlavour << " Jet: " << std::endl;
      std::cout << "  electrons: " <<theLeptons.electron << std::endl;
      std::cout << "  muons    : " <<theLeptons.muon << std::endl;
      std::cout << "  tau      : " <<theLeptons.tau << std::endl;
 */
     // Add the jet->flavour match to the map. 
     (*jetFlavMatching)[(*j).first] = JetFlavour(thePartonLorentzVector, thePartonVertex, thePartonFlavour, theLeptons);
   }// end loop over jets
 
 
   // Put the object into the event. 
   iEvent.put(  jetFlavMatching );
 
 }

Member Data Documentation

DEFINITION_T reco::modules::JetFlavourIdentifier::definition

private

Definition at line 107 of file JetFlavourIdentifier.cc.

bool reco::modules::JetFlavourIdentifier::leptonInfo_

private

Definition at line 106 of file JetFlavourIdentifier.cc.

bool reco::modules::JetFlavourIdentifier::physDefinition

private

Definition at line 105 of file JetFlavourIdentifier.cc.

InputTag reco::modules::JetFlavourIdentifier::sourceByRefer_

private

Definition at line 104 of file JetFlavourIdentifier.cc.

math::XYZTLorentzVector reco::modules::JetFlavourIdentifier::thePartonLV

private

Definition at line 108 of file JetFlavourIdentifier.cc.

Handle<JetMatchedPartonsCollection> reco::modules::JetFlavourIdentifier::theTagByRef

private

Definition at line 103 of file JetFlavourIdentifier.cc.

Public Types

Public Member Functions

Private Member Functions

Static Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation