Inheritance diagram for PFRecoTauDiscriminationByDeltaE:

Public Member Functions
void	beginEvent (const edm::Event &, const edm::EventSetup &)

double	discriminate (const reco::PFTauRef &)

	PFRecoTauDiscriminationByDeltaE (const ParameterSet &iConfig)

	~PFRecoTauDiscriminationByDeltaE ()

Public Member Functions inherited from TauDiscriminationProducerBase< TauType, TauDiscriminator >
virtual double	discriminate (const TauRef &tau)=0

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

	TauDiscriminationProducerBase (const edm::ParameterSet &iConfig)

	TauDiscriminationProducerBase ()

virtual	~TauDiscriminationProducerBase ()

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

virtual	~EDProducer ()

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

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

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

virtual	~ProducerBase ()

Private Member Functions
double	DeltaE (const PFTauRef &)

Private Attributes
bool	booleanOutput

double	chargedPionMass

double	deltaEmax

double	deltaEmin

Additional Inherited Members
Public Types inherited from TauDiscriminationProducerBase< TauType, TauDiscriminator >
typedef std::vector< TauType >	TauCollection

typedef edm::Ref< TauCollection >	TauRef

typedef edm::RefProd < TauCollection >	TauRefProd

Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType

typedef WorkerT< EDProducer >	WorkerType

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

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

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

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

Protected Member Functions inherited from edm::ProducerBase
template<class TProducer , class TMethod >
void	callWhenNewProductsRegistered (TProducer *iProd, TMethod iMethod)

Protected Attributes inherited from TauDiscriminationProducerBase< TauType, TauDiscriminator >
double	prediscriminantFailValue_

Detailed Description

Definition at line 16 of file PFRecoTauDiscriminationByDeltaE.cc.

Constructor & Destructor Documentation

PFRecoTauDiscriminationByDeltaE::PFRecoTauDiscriminationByDeltaE ( const ParameterSet & iConfig )

inlineexplicit

Definition at line 18 of file PFRecoTauDiscriminationByDeltaE.cc.

References edm::ParameterSet::getParameter().

                                                                          :PFTauDiscriminationProducerBase(iConfig){
         deltaEmin       = iConfig.getParameter<double>("deltaEmin");
         deltaEmax               = iConfig.getParameter<double>("deltaEmax");
         chargedPionMass         = 0.139;
         booleanOutput       = iConfig.getParameter<bool>("BooleanOutput");
     }

PFRecoTauDiscriminationByDeltaE::~PFRecoTauDiscriminationByDeltaE ( )

inline

Definition at line 25 of file PFRecoTauDiscriminationByDeltaE.cc.

25 {}

Member Function Documentation

void PFRecoTauDiscriminationByDeltaE::beginEvent	(	const edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)

virtual

Reimplemented from TauDiscriminationProducerBase< TauType, TauDiscriminator >.

Definition at line 39 of file PFRecoTauDiscriminationByDeltaE.cc.

39 {

40 }

double PFRecoTauDiscriminationByDeltaE::DeltaE ( const PFTauRef & tau )

private

Definition at line 49 of file PFRecoTauDiscriminationByDeltaE.cc.

References i, p4, and edm::RefVector< C, T, F >::size().

                                                                  {
     double tracksE = 0;
     PFCandidateRefVector signalTracks = tau->signalPFChargedHadrCands();
     for(size_t i = 0; i < signalTracks.size(); ++i){
         TLorentzVector p4;
         p4.SetXYZM(signalTracks[i]->px(),
                            signalTracks[i]->py(),
                            signalTracks[i]->pz(),
                            chargedPionMass);
         tracksE += p4.E();
     }
 
     double hadrTauP = tau->momentum().r() * (1.0 - tau->emFraction());
     if (tau->emFraction() >= 1.0) {
         return -1.0; // electron
     } else {
         return tracksE / hadrTauP - 1.0;
     }
 }

double PFRecoTauDiscriminationByDeltaE::discriminate ( const reco::PFTauRef & tau )

Definition at line 42 of file PFRecoTauDiscriminationByDeltaE.cc.

                                                                        {
 
     double dE = DeltaE(tau);
     if(booleanOutput) return ( dE > deltaEmin && dE < deltaEmax ? 1. : 0. );
     return dE;
 }