PFRecoTauDiscriminationAgainstMuon Class Reference

Inheritance diagram for PFRecoTauDiscriminationAgainstMuon:

List of all members.

Public Member Functions
double	discriminate (const PFTauRef &pfTau)
	PFRecoTauDiscriminationAgainstMuon (const edm::ParameterSet &iConfig)
	~PFRecoTauDiscriminationAgainstMuon ()
Private Attributes
double	a
double	b
double	c
std::string	discriminatorOption_

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Detailed Description

Definition at line 20 of file PFRecoTauDiscriminationAgainstMuon.cc.

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Constructor & Destructor Documentation

PFRecoTauDiscriminationAgainstMuon::PFRecoTauDiscriminationAgainstMuon

(

const edm::ParameterSet &

iConfig

)

[inline, explicit]

Definition at line 22 of file PFRecoTauDiscriminationAgainstMuon.cc.

References a, b, trackerHits::c, and edm::ParameterSet::getParameter().

                                                                                 :PFTauDiscriminationProducerBase(iConfig) {   
         discriminatorOption_  = iConfig.getParameter<std::string>("discriminatorOption");  
         a  = iConfig.getParameter<double>("a");  
         b  = iConfig.getParameter<double>("b");  
         c  = iConfig.getParameter<double>("c");  
      }

PFRecoTauDiscriminationAgainstMuon::~PFRecoTauDiscriminationAgainstMuon

(

)

[inline]

Definition at line 29 of file PFRecoTauDiscriminationAgainstMuon.cc.

{} 

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Member Function Documentation

double PFRecoTauDiscriminationAgainstMuon::discriminate

(

const PFTauRef &

pfTau

)

Definition at line 40 of file PFRecoTauDiscriminationAgainstMuon.cc.

References a, muon::AllArbitrated, b, trackerHits::c, Exception, muon::isGoodMuon(), muon::segmentCompatibility(), and edm::errors::UnimplementedFeature.

{
   bool decision = true;

   if((*thePFTauRef).hasMuonReference() ){

      MuonRef muonref = (*thePFTauRef).leadPFChargedHadrCand()->muonRef();
      if (discriminatorOption_ == "noSegMatch") {
         if ( muonref ->numberOfMatches() > 0 ) {
            decision = false;
         }
      }
      else if (discriminatorOption_ == "twoDCut") {
         double seg = muon::segmentCompatibility(*muonref);
         double calo= muonref->caloCompatibility(); 
         double border = calo * a + seg * b +c;
         if ( border > 0 ) {
            decision = false; 
         } 
      }
      else if (discriminatorOption_ == "merePresence") decision = false;
      else if (discriminatorOption_ == "combined") { // testing purpose only
         unsigned int muType = 0;
         if(muonref->isGlobalMuon()) muType = 1;
         else if(muonref->isCaloMuon()) muType = 2;
         else if(muonref->isTrackerMuon()) muType = 3;
         double muonEnergyFraction = (*thePFTauRef).pfTauTagInfoRef()->pfjetRef()->chargedMuEnergyFraction();
         bool eta_veto = false;
         bool phi_veto = false;
         if(fabs(muonref->eta()) > 2.3 || (fabs(muonref->eta()) > 1.4 && fabs(muonref->eta()) < 1.6)) eta_veto = true;
         if(muonref->phi() < 0.1 && muonref->phi() > -0.1) phi_veto = true;
         if( muType != 1 || muonref ->numberOfMatches() > 0 || eta_veto || phi_veto || muonEnergyFraction > 0.9 ) decision = false; // as place holder
      }
      else if (discriminatorOption_ == "noAllArbitrated") { // One used in H->tautau 2010
        if(muon::isGoodMuon(*muonref,muon::AllArbitrated))
          decision = false;
      }
      else{
         throw edm::Exception(edm::errors::UnimplementedFeature) << " Invalid Discriminator Option! Please check cfi file \n";
      }
   } // valid muon ref

   return (decision ? 1. : 0.);
} 

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Member Data Documentation

double PFRecoTauDiscriminationAgainstMuon::a [private]

Definition at line 35 of file PFRecoTauDiscriminationAgainstMuon.cc.

double PFRecoTauDiscriminationAgainstMuon::b [private]

Definition at line 36 of file PFRecoTauDiscriminationAgainstMuon.cc.

double PFRecoTauDiscriminationAgainstMuon::c [private]

Definition at line 37 of file PFRecoTauDiscriminationAgainstMuon.cc.

std::string PFRecoTauDiscriminationAgainstMuon::discriminatorOption_ [private]

Definition at line 34 of file PFRecoTauDiscriminationAgainstMuon.cc.