TtFullLepHypGenMatch Class Reference

#include <TtFullLepHypGenMatch.h>

Inheritance diagram for TtFullLepHypGenMatch:

Public Member Functions
	TtFullLepHypGenMatch (const edm::ParameterSet &)
	~TtFullLepHypGenMatch ()
Public Member Functions inherited from TtFullLepHypothesis
	TtFullLepHypothesis (const edm::ParameterSet &)
	default constructor More...
	~TtFullLepHypothesis ()
	default destructor More...
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
virtual void	buildHypo (edm::Event &evt, const edm::Handle< std::vector< pat::Electron > > &elecs, const edm::Handle< std::vector< pat::Muon > > &mus, const edm::Handle< std::vector< pat::Jet > > &jets, const edm::Handle< std::vector< pat::MET > > &mets, std::vector< int > &match, const unsigned int iComb)
	build event hypothesis from the reco objects of a semi-leptonic event More...
virtual void	buildKey ()
	build the event hypothesis key More...
void	buildMatchingNeutrinos (edm::Event &, const edm::Handle< std::vector< pat::MET > > &)
template<typename O >
int	findMatchingLepton (const reco::GenParticle *, const edm::Handle< std::vector< O > > &)

Additional Inherited Members
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)
static void	prevalidate (ConfigurationDescriptions &descriptions)
Protected Member Functions inherited from TtFullLepHypothesis
reco::CompositeCandidate	hypo ()
	return event hypothesis More...
bool	isValid (const int &idx, const edm::Handle< std::vector< pat::Jet > > &jets)
	check if index is in valid range of selected jets More...
int	key () const
	return key More...
virtual void	produce (edm::Event &, const edm::EventSetup &)
	produce the event hypothesis as CompositeCandidate and Key More...
void	resetCandidates ()
	reset candidate pointers before hypo build process More...
template<typename C >
void	setCandidate (const edm::Handle< C > &handle, const int &idx, reco::ShallowClonePtrCandidate *&clone)
	use one object in a collection to set a ShallowClonePtrCandidate More...
void	setCandidate (const edm::Handle< std::vector< pat::Jet > > &handle, const int &idx, reco::ShallowClonePtrCandidate *&clone, const std::string &correctionLevel)
	use one object in a jet collection to set a ShallowClonePtrCandidate with proper jet corrections More...
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 TtFullLepHypothesis
reco::ShallowClonePtrCandidate *	b_
reco::ShallowClonePtrCandidate *	bBar_
edm::InputTag	elecs_
bool	getMatch_
std::string	jetCorrectionLevel_
edm::InputTag	jets_
int	key_
	hypothesis key (to be set by the buildKey function) More...
reco::ShallowClonePtrCandidate *	lepton_
reco::ShallowClonePtrCandidate *	leptonBar_
edm::InputTag	match_
	input label for all necessary collections More...
edm::InputTag	mets_
edm::InputTag	mus_
reco::ShallowClonePtrCandidate *	neutrino_
reco::ShallowClonePtrCandidate *	neutrinoBar_
reco::LeafCandidate *	recNu
	candidates needed for the genmatch hypothesis More...
reco::LeafCandidate *	recNuBar

Detailed Description

Definition at line 7 of file TtFullLepHypGenMatch.h.

Constructor & Destructor Documentation

TtFullLepHypGenMatch::TtFullLepHypGenMatch ( const edm::ParameterSet &  cfg )

explicit

Definition at line 5 of file TtFullLepHypGenMatch.cc.

                                                                    :
  TtFullLepHypothesis( cfg ) 
{  
}

TtFullLepHypGenMatch::~TtFullLepHypGenMatch

(

)

Definition at line 10 of file TtFullLepHypGenMatch.cc.

{ }

Member Function Documentation

void TtFullLepHypGenMatch::buildHypo ( edm::Event &  evt, const edm::Handle< std::vector< pat::Electron > > &  elecs, const edm::Handle< std::vector< pat::Muon > > &  mus, const edm::Handle< std::vector< pat::Jet > > &  jets, const edm::Handle< std::vector< pat::MET > > &  mets, std::vector< int > &  match, const unsigned int  iComb  )

privatevirtual

build event hypothesis from the reco objects of a semi-leptonic event

Implements TtFullLepHypothesis.

Definition at line 13 of file TtFullLepHypGenMatch.cc.

References TtFullLepEvtPartons::B, TtFullLepHypothesis::b_, TtFullLepEvtPartons::BBar, TtFullLepHypothesis::bBar_, buildMatchingNeutrinos(), findMatchingLepton(), TtGenEvtProducer_cfi::genEvt, edm::Event::getByLabel(), TtFullLepHypothesis::isValid(), TtFullLepHypothesis::jetCorrectionLevel_, fwrapper::jets, WDecay::kElec, WDecay::kMuon, TtFullLepHypothesis::lepton_, TtFullLepHypothesis::leptonBar_, and TtFullLepHypothesis::setCandidate().

{
  // -----------------------------------------------------
  // add jets
  // -----------------------------------------------------
  for(unsigned idx=0; idx<match.size(); ++idx){
    if( isValid(match[idx], jets) ){
      switch(idx){
      case TtFullLepEvtPartons::B:
    setCandidate(jets, match[idx], b_   , jetCorrectionLevel_); break;
      case TtFullLepEvtPartons::BBar:
    setCandidate(jets, match[idx], bBar_, jetCorrectionLevel_); break;  
      }
    }
  }

  // -----------------------------------------------------
  // add leptons
  // -----------------------------------------------------
  // get genEvent
  edm::Handle<TtGenEvent> genEvt;
  evt.getByLabel("genEvt", genEvt);
  
  // push back fake indices if no leptons in genevent
  if( !genEvt->isFullLeptonic() || !genEvt->lepton() || !genEvt->leptonBar() ){
    match.push_back( -1 );
    match.push_back( -1 );
    match.push_back( -1 );
    match.push_back( -1 );          
  }  
  else if(genEvt->isFullLeptonic(WDecay::kElec, WDecay::kElec) && elecs->size()>=2){    
    //search indices for electrons
    int iLepBar = findMatchingLepton(genEvt->leptonBar(), elecs);
    setCandidate(elecs, iLepBar, leptonBar_);
    match.push_back( iLepBar );
    int iLep = findMatchingLepton(genEvt->lepton(), elecs);
    setCandidate(elecs, iLep, lepton_);
    match.push_back( iLep );
    
    // fake indices for muons  
    match.push_back( -1 );
    match.push_back( -1 );         
  }
  else if(genEvt->isFullLeptonic(WDecay::kElec, WDecay::kMuon) && !elecs->empty() && !mus->empty() ){
    if(genEvt->leptonBar()->isElectron()){       
      // push back index for e+
      int iLepBar = findMatchingLepton(genEvt->leptonBar(), elecs);
      setCandidate(elecs, iLepBar, leptonBar_);
      match.push_back( iLepBar );
      // push back fake indices for e- and mu+
      match.push_back( -1 );
      match.push_back( -1 ); 
      // push back index for mu-     
      int iLep = findMatchingLepton(genEvt->lepton(), mus);
      setCandidate(mus, iLep, lepton_);
      match.push_back( iLep );              
    }
    else{       
      // push back fake index for e+    
      match.push_back( -1 );  
      // push back index for e-  
      int iLepBar = findMatchingLepton(genEvt->leptonBar(), mus);
      setCandidate(mus, iLepBar, leptonBar_);
      match.push_back( iLepBar ); 
      // push back index for mu+
      int iLep = findMatchingLepton(genEvt->lepton(), elecs);
      setCandidate(elecs, iLep, lepton_);
      match.push_back( iLep );
      // push back fake index for mu-     
      match.push_back( -1 );              
    }
  }  
  else if(genEvt->isFullLeptonic(WDecay::kMuon, WDecay::kMuon) &&  mus->size()>=2 ){     
    // fake indices for electrons
    match.push_back( -1 );
    match.push_back( -1 );  
    
    //search indices for electrons
    int iLepBar = findMatchingLepton(genEvt->leptonBar(), mus);
    setCandidate(mus, iLepBar, leptonBar_);
    match.push_back( iLepBar );
    int iLep = findMatchingLepton(genEvt->lepton(), mus);
    setCandidate(mus, iLep, lepton_);
    match.push_back( iLep );    
  }
  else{ //this 'else' should happen if at least one genlepton is a tau
    match.push_back( -1 );
    match.push_back( -1 );
    match.push_back( -1 );
    match.push_back( -1 );   
  }

  // -----------------------------------------------------
  // add met and neutrinos
  // -----------------------------------------------------  
  if( !mets->empty() ){
    //setCandidate(mets, 0, met_);
    buildMatchingNeutrinos(evt, mets);  
  }    
}

virtual void TtFullLepHypGenMatch::buildKey ( )

inlineprivatevirtual

build the event hypothesis key

Implements TtFullLepHypothesis.

Definition at line 17 of file TtFullLepHypGenMatch.h.

References TtFullLepHypothesis::key_, and TtEvent::kGenMatch.

{ key_= TtFullLeptonicEvent::kGenMatch; };  

void TtFullLepHypGenMatch::buildMatchingNeutrinos ( edm::Event &  evt, const edm::Handle< std::vector< pat::MET > > &  mets  )

private

Definition at line 137 of file TtFullLepHypGenMatch.cc.

References TtGenEvtProducer_cfi::genEvt, edm::Event::getByLabel(), TtFullLepHypothesis::recNu, TtFullLepHypothesis::recNuBar, and mathSSE::sqrt().

Referenced by buildHypo().

{
  // get genEvent
  edm::Handle<TtGenEvent> genEvt;
  evt.getByLabel("genEvt", genEvt);
  
  if( genEvt->isTtBar() && genEvt->isFullLeptonic() && genEvt->neutrino() && genEvt->neutrinoBar() ){
    double momXNu    = genEvt->neutrino()   ->px();
    double momYNu    = genEvt->neutrino()   ->py(); 
    double momXNuBar = genEvt->neutrinoBar()->px();
    double momYNuBar = genEvt->neutrinoBar()->py();
        
    double momXMet = mets->at(0).px();
    double momYMet = mets->at(0).py();

    double momXNeutrino = 0.5*(momXNu - momXNuBar + momXMet);
    double momYNeutrino = 0.5*(momYNu - momYNuBar + momYMet);   
    double momXNeutrinoBar = momXMet - momXNeutrino;
    double momYNeutrinoBar = momYMet - momYNeutrino; 
  
    math::XYZTLorentzVector recNuFM(momXNeutrino,momYNeutrino,0,sqrt(momXNeutrino * momXNeutrino + momYNeutrino * momYNeutrino));    
    recNu = new reco::LeafCandidate(0,recNuFM);
    
    math::XYZTLorentzVector recNuBarFM(momXNeutrinoBar,momYNeutrinoBar,0,sqrt(momXNeutrinoBar * momXNeutrinoBar + momYNeutrinoBar * momYNeutrinoBar));
    recNuBar = new reco::LeafCandidate(0,recNuBarFM);             
  }
}

template<typename O >

int TtFullLepHypGenMatch::findMatchingLepton ( const reco::GenParticle *  genLep, const edm::Handle< std::vector< O > > &  leps  )

private

Definition at line 122 of file TtFullLepHypGenMatch.cc.

References deltaR(), PFRecoTauDiscriminationAgainstElectronDeadECAL_cfi::dR, reco::LeafCandidate::eta(), i, and reco::LeafCandidate::phi().

Referenced by buildHypo().

{
  int idx=-1;   
  double minDR = -1;
  for(unsigned i=0; i<leps->size(); ++i){
    double dR = deltaR(genLep->eta(), genLep->phi(), (*leps)[i].eta(), (*leps)[i].phi());
    if(minDR<0 || dR<minDR){
      minDR=dR;
      idx=i;
    }     
  }
  return idx;
}