#include <TtSemiLepHypothesis.h>

Inheritance diagram for TtSemiLepHypothesis:

Public Member Functions
	TtSemiLepHypothesis (const edm::ParameterSet &)
	default constructor More...

	~TtSemiLepHypothesis ()
	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 ()

Protected Member Functions
void	buildHypo (const edm::Handle< edm::View< reco::RecoCandidate > > &leps, const edm::Handle< std::vector< pat::MET > > &mets, const edm::Handle< std::vector< pat::Jet > > &jets, std::vector< int > &jetPartonAssociation)
	minimalistic build function for simple hypotheses More...

virtual void	buildHypo (edm::Event &event, const edm::Handle< edm::View< reco::RecoCandidate > > &lepton, const edm::Handle< std::vector< pat::MET > > &neutrino, const edm::Handle< std::vector< pat::Jet > > &jets, std::vector< int > &jetPartonAssociation, const unsigned int iComb)=0
	build event hypothesis from the reco objects of a semi-leptonic event More...

virtual void	buildKey ()=0
	build the event hypothesis key More...

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...

std::string	jetCorrectionLevel (const std::string &quarkType)
	helper function to construct the proper correction level string for corresponding quarkType More...

int	key () const

WDecay::LeptonType	leptonType (const reco::RecoCandidate *cand)
	determine lepton type of reco candidate and return a corresponding WDecay::LeptonType; the type is kNone if it is whether a muon nor an electron 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...

void	setNeutrino (const edm::Handle< std::vector< pat::MET > > &met, const edm::Handle< edm::View< reco::RecoCandidate > > &leps, const int &idx, const int &type)
	set neutrino, using mW = 80.4 to calculate the neutrino pz 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
bool	getMatch_

reco::ShallowClonePtrCandidate *	hadronicB_

std::string	jetCorrectionLevel_

edm::InputTag	jets_
	input label for all necessary collections More...

int	key_
	hypothesis key (to be set by the buildKey function) More...

edm::InputTag	leps_

reco::ShallowClonePtrCandidate *	lepton_

reco::ShallowClonePtrCandidate *	leptonicB_

reco::ShallowClonePtrCandidate *	lightQ_

reco::ShallowClonePtrCandidate *	lightQBar_

edm::InputTag	match_

edm::InputTag	mets_

reco::ShallowClonePtrCandidate *	neutrino_

int	neutrinoSolutionType_
	algorithm used to calculate neutrino solutions (see cfi for further details) More...

edm::InputTag	nJetsConsidered_

int	numberOfRealNeutrinoSolutions_

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)

Detailed Description

Definition at line 31 of file TtSemiLepHypothesis.h.

Constructor & Destructor Documentation

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

explicit

default constructor

Definition at line 10 of file TtSemiLepHypothesis.cc.

References edm::ParameterSet::exists(), getMatch_, edm::ParameterSet::getParameter(), jetCorrectionLevel_, match_, and neutrinoSolutionType_.

                                                                   :
   jets_(cfg.getParameter<edm::InputTag>("jets")),
   leps_(cfg.getParameter<edm::InputTag>("leps")),
   mets_(cfg.getParameter<edm::InputTag>("mets")),
   nJetsConsidered_(cfg.getParameter<edm::InputTag>("nJetsConsidered")),
   numberOfRealNeutrinoSolutions_(-1),
   lightQ_(0), lightQBar_(0), hadronicB_(0), 
   leptonicB_(0), neutrino_(0), lepton_(0)
 {
   getMatch_ = false;
   if( cfg.exists("match") ) {
     getMatch_ = true;
     match_ = cfg.getParameter<edm::InputTag>("match");
   }
   if( cfg.exists("neutrinoSolutionType") )
     neutrinoSolutionType_ = cfg.getParameter<int>("neutrinoSolutionType");
   else
     neutrinoSolutionType_ = -1;
   if( cfg.exists("jetCorrectionLevel") ) {
     jetCorrectionLevel_ = cfg.getParameter<std::string>("jetCorrectionLevel");
   }
   produces<std::vector<std::pair<reco::CompositeCandidate, std::vector<int> > > >();
   produces<int>("Key");
   produces<int>("NumberOfRealNeutrinoSolutions");
   produces<int>("NumberOfConsideredJets");
 }

TtSemiLepHypothesis::~TtSemiLepHypothesis ( )

default destructor

Definition at line 38 of file TtSemiLepHypothesis.cc.

References hadronicB_, lepton_, leptonicB_, lightQ_, lightQBar_, and neutrino_.

 {
   if( lightQ_    ) delete lightQ_;
   if( lightQBar_ ) delete lightQBar_;
   if( hadronicB_ ) delete hadronicB_;
   if( leptonicB_ ) delete leptonicB_;
   if( neutrino_  ) delete neutrino_;
   if( lepton_    ) delete lepton_;
 }

Member Function Documentation

void TtSemiLepHypothesis::buildHypo	(	const edm::Handle< edm::View< reco::RecoCandidate > > &	leps,
		const edm::Handle< std::vector< pat::MET > > &	mets,
		const edm::Handle< std::vector< pat::Jet > > &	jets,
		std::vector< int > &	jetPartonAssociation
	)

protected

minimalistic build function for simple hypotheses

return key minimalistic build function for simple hypotheses

Definition at line 249 of file TtSemiLepHypothesis.cc.

References TtSemiLepEvtPartons::HadB, hadronicB_, isValid(), jetCorrectionLevel(), fwrapper::jets, TtSemiLepEvtPartons::LepB, lepton_, leptonicB_, TtSemiLepEvtPartons::LightQ, lightQ_, TtSemiLepEvtPartons::LightQBar, lightQBar_, neutrino_, neutrinoSolutionType_, setCandidate(), and setNeutrino().

Referenced by TtSemiLepHypGeom::buildHypo(), TtSemiLepHypMaxSumPtWMass::buildHypo(), TtSemiLepHypWMassMaxSumPt::buildHypo(), TtSemiLepHypWMassDeltaTopMass::buildHypo(), TtSemiLepHypMVADisc::buildHypo(), and produce().

 {
   // -----------------------------------------------------
   // add jets
   // -----------------------------------------------------
   for(unsigned idx=0; idx<match.size(); ++idx){
     if( isValid(match[idx], jets) ){
       switch(idx){
       case TtSemiLepEvtPartons::LightQ:
     setCandidate(jets, match[idx], lightQ_,    jetCorrectionLevel("wQuarkMix")); break;
       case TtSemiLepEvtPartons::LightQBar:
     setCandidate(jets, match[idx], lightQBar_, jetCorrectionLevel("wQuarkMix")); break;
       case TtSemiLepEvtPartons::HadB:
     setCandidate(jets, match[idx], hadronicB_, jetCorrectionLevel("bQuark")); break;
       case TtSemiLepEvtPartons::LepB: 
     setCandidate(jets, match[idx], leptonicB_, jetCorrectionLevel("bQuark")); break;
       }
     }
   }
 
   // -----------------------------------------------------
   // add lepton
   // -----------------------------------------------------
   if( leps->empty() )
     return;
   setCandidate(leps, 0, lepton_);
   match.push_back( 0 );
   
   // -----------------------------------------------------
   // add neutrino
   // -----------------------------------------------------
   if( mets->empty() )
     return;
   if(neutrinoSolutionType_ == -1)
     setCandidate(mets, 0, neutrino_);
   else
     setNeutrino(mets, leps, 0, neutrinoSolutionType_);
 }

virtual void TtSemiLepHypothesis::buildHypo	(	edm::Event &	event,
		const edm::Handle< edm::View< reco::RecoCandidate > > &	lepton,
		const edm::Handle< std::vector< pat::MET > > &	neutrino,
		const edm::Handle< std::vector< pat::Jet > > &	jets,
		std::vector< int > &	jetPartonAssociation,
		const unsigned int	iComb
	)

protectedpure virtual

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

Implemented in TtSemiLepHypGenMatch, TtSemiLepHypGeom, TtSemiLepHypMaxSumPtWMass, TtSemiLepHypMVADisc, TtSemiLepHypWMassDeltaTopMass, TtSemiLepHypWMassMaxSumPt, TtSemiLepHypHitFit, and TtSemiLepHypKinFit.

virtual void TtSemiLepHypothesis::buildKey ( )

protectedpure virtual

build the event hypothesis key

Implemented in TtSemiLepHypGenMatch, TtSemiLepHypGeom, TtSemiLepHypMaxSumPtWMass, TtSemiLepHypMVADisc, TtSemiLepHypWMassDeltaTopMass, TtSemiLepHypWMassMaxSumPt, TtSemiLepHypHitFit, and TtSemiLepHypKinFit.

Referenced by produce().

reco::CompositeCandidate TtSemiLepHypothesis::hypo ( )

protected

return event hypothesis

Definition at line 126 of file TtSemiLepHypothesis.cc.

References reco::CompositeCandidate::addDaughter(), TtSemiLepDaughter::HadB, TtSemiLepDaughter::HadP, TtSemiLepDaughter::HadQ, hadronicB_, TtSemiLepDaughter::HadTop, TtSemiLepDaughter::HadW, TtSemiLepDaughter::Lep, TtSemiLepDaughter::LepB, lepton_, leptonicB_, TtSemiLepDaughter::LepTop, TtSemiLepDaughter::LepW, lightQ_, lightQBar_, neutrino_, TtSemiLepDaughter::Nu, and AddFourMomenta::set().

Referenced by produce().

 {
   // check for sanity of the hypothesis
   if( !lightQ_ || !lightQBar_ || !hadronicB_ || 
       !leptonicB_ || !neutrino_ || !lepton_ )
     return reco::CompositeCandidate();
   
   // setup transient references
   reco::CompositeCandidate hyp, hadTop, hadW, lepTop, lepW;
 
   AddFourMomenta addFourMomenta;  
   // build up the top branch that decays leptonically
   lepW  .addDaughter(*lepton_,   TtSemiLepDaughter::Lep    );
   lepW  .addDaughter(*neutrino_, TtSemiLepDaughter::Nu     );
   addFourMomenta.set( lepW );
   lepTop.addDaughter( lepW,      TtSemiLepDaughter::LepW   );
   lepTop.addDaughter(*leptonicB_,TtSemiLepDaughter::LepB   );
   addFourMomenta.set( lepTop );
   
   // build up the top branch that decays hadronically
   hadW  .addDaughter(*lightQ_,   TtSemiLepDaughter::HadP   );
   hadW  .addDaughter(*lightQBar_,TtSemiLepDaughter::HadQ   );
   addFourMomenta.set( hadW );
   hadTop.addDaughter( hadW,      TtSemiLepDaughter::HadW   );
   hadTop.addDaughter(*hadronicB_,TtSemiLepDaughter::HadB   );
   addFourMomenta.set( hadTop );
 
   // build ttbar hypotheses
   hyp.addDaughter( lepTop,       TtSemiLepDaughter::LepTop );
   hyp.addDaughter( hadTop,       TtSemiLepDaughter::HadTop );
   addFourMomenta.set( hyp );
 
   return hyp;
 }

bool TtSemiLepHypothesis::isValid	(	const int &	idx,
		const edm::Handle< std::vector< pat::Jet > > &	jets
	)

inlineprotected

check if index is in valid range of selected jets

Definition at line 64 of file TtSemiLepHypothesis.h.

References fwrapper::jets.

Referenced by TtSemiLepHypGenMatch::buildHypo(), and buildHypo().

64 { return (0<=idx && idx<(int)jets->size()); };

std::string TtSemiLepHypothesis::jetCorrectionLevel ( const std::string & quarkType )

protected

helper function to construct the proper correction level string for corresponding quarkType

helper function to construct the proper correction level string for corresponding quarkType, for unknown quarkTypes an empty string is returned

Definition at line 178 of file TtSemiLepHypothesis.cc.

References jetCorrectionLevel_, and testEve_cfg::level.

Referenced by TtSemiLepHypGenMatch::buildHypo(), and buildHypo().

 {
   // jetCorrectionLevel was not configured
   if(jetCorrectionLevel_.empty())
     throw cms::Exception("Configuration")
       << "Unconfigured jetCorrectionLevel. Please use an appropriate, non-empty string.\n";
 
   // quarkType is unknown
   if( !(quarkType=="wQuarkMix" ||
     quarkType=="udsQuark" ||
     quarkType=="cQuark" ||
     quarkType=="bQuark") )
     throw cms::Exception("Configuration")
       << quarkType << " is unknown as a quarkType for the jetCorrectionLevel.\n";
 
   // combine correction level; start with a ':' even if 
   // there is no flavor tag to be added, as it is needed
   // by setCandidate to disentangle the correction tag 
   // from a potential flavor tag, which can be empty
   std::string level=jetCorrectionLevel_+":";
   if( level=="L5Flavor:" || level=="L6UE:" || level=="L7Parton:" ){
     if(quarkType=="wQuarkMix"){level+="wMix";}
     if(quarkType=="udsQuark" ){level+="uds";}
     if(quarkType=="cQuark"   ){level+="charm";}
     if(quarkType=="bQuark"   ){level+="bottom";}
   }
   else{
     level+="none";
   }
   return level;
 }

int TtSemiLepHypothesis::key ( ) const

inlineprotected

Definition at line 60 of file TtSemiLepHypothesis.h.

References key_.

Referenced by produce().

60 { return key_; };

TtSemiLepHypothesis::key_

int key_

hypothesis key (to be set by the buildKey function)

Definition: TtSemiLepHypothesis.h:97

WDecay::LeptonType TtSemiLepHypothesis::leptonType ( const reco::RecoCandidate * cand )

protected

determine lepton type of reco candidate and return a corresponding WDecay::LeptonType; the type is kNone if it is whether a muon nor an electron

Definition at line 163 of file TtSemiLepHypothesis.cc.

References WDecay::kElec, WDecay::kMuon, and WDecay::kNone.

Referenced by TtSemiLepHypGenMatch::findMatchingLepton(), and setNeutrino().

 {
   // check whetherwe are dealing with a reco muon or a reco electron
   WDecay::LeptonType type = WDecay::kNone;
   if( dynamic_cast<const reco::Muon*>(cand) ){
     type = WDecay::kMuon;
   } 
   else if( dynamic_cast<const reco::GsfElectron*>(cand) ){
     type = WDecay::kElec;
   }
   return type;
 }

void TtSemiLepHypothesis::produce	(	edm::Event &	evt,
		const edm::EventSetup &	setup
	)

protectedvirtual

produce the event hypothesis as CompositeCandidate and Key

Implements edm::EDProducer.

Definition at line 50 of file TtSemiLepHypothesis.cc.

References buildHypo(), buildKey(), edm::Event::getByLabel(), getMatch_, hypo(), i, fwrapper::jets, jets_, key(), leps_, match(), match_, mets_, nJetsConsidered_, numberOfRealNeutrinoSolutions_, edm::Event::put(), and resetCandidates().

 {
   edm::Handle<std::vector<pat::Jet> > jets;
   evt.getByLabel(jets_, jets);
   
   edm::Handle<edm::View<reco::RecoCandidate> > leps;
   evt.getByLabel(leps_, leps);
 
   edm::Handle<std::vector<pat::MET> > mets;
   evt.getByLabel(mets_, mets);
 
   edm::Handle<int> nJetsConsidered;
   evt.getByLabel(nJetsConsidered_, nJetsConsidered);
 
   std::vector<std::vector<int> > matchVec;
   if( getMatch_ ) {
     edm::Handle<std::vector<std::vector<int> > > matchHandle;
     evt.getByLabel(match_, matchHandle);
     matchVec = *matchHandle;
   }
   else {
     std::vector<int> dummyMatch;
     for(unsigned int i = 0; i < 4; ++i) 
       dummyMatch.push_back( -1 );
     matchVec.push_back( dummyMatch );
   }
 
   // declare auto_ptr for products
   std::auto_ptr<std::vector<std::pair<reco::CompositeCandidate, std::vector<int> > > >
     pOut( new std::vector<std::pair<reco::CompositeCandidate, std::vector<int> > > );
   std::auto_ptr<int> pKey(new int);
   std::auto_ptr<int> pNeutrinoSolutions(new int);
   std::auto_ptr<int> pJetsConsidered(new int);
 
   // go through given vector of jet combinations
   unsigned int idMatch = 0;
   typedef std::vector<std::vector<int> >::iterator MatchVecIterator;
   for(MatchVecIterator match = matchVec.begin(); match != matchVec.end(); ++match) {
     // reset pointers
     resetCandidates();
     // build hypothesis
     buildHypo(evt, leps, mets, jets, *match, idMatch++);
     pOut->push_back( std::make_pair(hypo(), *match) );
   }
   // feed out hyps and matches
   evt.put(pOut);
 
   // build and feed out key
   buildKey();
   *pKey=key();
   evt.put(pKey, "Key");
 
   // feed out number of real neutrino solutions
   *pNeutrinoSolutions=numberOfRealNeutrinoSolutions_;
   evt.put(pNeutrinoSolutions, "NumberOfRealNeutrinoSolutions");
 
   // feed out number of considered jets
   *pJetsConsidered=*nJetsConsidered;
   evt.put(pJetsConsidered, "NumberOfConsideredJets");
 }

void TtSemiLepHypothesis::resetCandidates ( )

protected

reset candidate pointers before hypo build process

Definition at line 113 of file TtSemiLepHypothesis.cc.

References hadronicB_, lepton_, leptonicB_, lightQ_, lightQBar_, neutrino_, and numberOfRealNeutrinoSolutions_.

Referenced by produce().

 {
   numberOfRealNeutrinoSolutions_ = -1;
   lightQ_    = 0;
   lightQBar_ = 0;
   hadronicB_ = 0;
   leptonicB_ = 0;
   neutrino_  = 0;
   lepton_    = 0;
 }

template<typename C >

void TtSemiLepHypothesis::setCandidate	(	const edm::Handle< C > &	handle,
		const int &	idx,
		reco::ShallowClonePtrCandidate *&	clone
	)

protected

use one object in a collection to set a ShallowClonePtrCandidate

Definition at line 117 of file TtSemiLepHypothesis.h.

References patZpeak::handle.

Referenced by TtSemiLepHypHitFit::buildHypo(), TtSemiLepHypKinFit::buildHypo(), TtSemiLepHypGenMatch::buildHypo(), and buildHypo().

                                                                                                                   {
   typedef typename C::value_type O;
   edm::Ptr<O> ptr = edm::Ptr<O>(handle, idx);
   clone = new reco::ShallowClonePtrCandidate( ptr, ptr->charge(), ptr->p4(), ptr->vertex() );
 }

void TtSemiLepHypothesis::setCandidate	(	const edm::Handle< std::vector< pat::Jet > > &	handle,
		const int &	idx,
		reco::ShallowClonePtrCandidate *&	clone,
		const std::string &	correctionLevel
	)

protected

use one object in a jet collection to set a ShallowClonePtrCandidate with proper jet corrections

Definition at line 212 of file TtSemiLepHypothesis.cc.

References patZpeak::handle, and launcher::step.

 {
   edm::Ptr<pat::Jet> ptr = edm::Ptr<pat::Jet>(handle, idx);
   // disentangle the correction from the potential flavor tag 
   // by the separating ':'; the flavor tag can be empty though
   std::string step   = correctionLevel.substr(0,correctionLevel.find(":"));
   std::string flavor = correctionLevel.substr(1+correctionLevel.find(":"));
   float corrFactor = 1.;
   if(flavor=="wMix")
     corrFactor = 0.75*ptr->jecFactor(step, "uds") + 0.25*ptr->jecFactor(step, "charm");
   else
     corrFactor = ptr->jecFactor(step, flavor);
   clone = new reco::ShallowClonePtrCandidate( ptr, ptr->charge(), ptr->p4()*corrFactor, ptr->vertex() );
 }

void TtSemiLepHypothesis::setNeutrino	(	const edm::Handle< std::vector< pat::MET > > &	met,
		const edm::Handle< edm::View< reco::RecoCandidate > > &	leps,
		const int &	idx,
		const int &	type
	)

protected

set neutrino, using mW = 80.4 to calculate the neutrino pz

Definition at line 229 of file TtSemiLepHypothesis.cc.

References edm::hlt::Exception, WDecay::kElec, WDecay::kMuon, leptonType(), CaloMET_cfi::met, neutrino_, numberOfRealNeutrinoSolutions_, p4, and mathSSE::sqrt().

Referenced by TtSemiLepHypGenMatch::buildHypo(), and buildHypo().

 {
   edm::Ptr<pat::MET> ptr = edm::Ptr<pat::MET>(met, 0);
   MEzCalculator mez;
   mez.SetMET( *(met->begin()) );
   if( leptonType( &(leps->front()) ) == WDecay::kMuon )
     mez.SetLepton( (*leps)[idx], true );
   else if( leptonType( &(leps->front()) ) == WDecay::kElec )
     mez.SetLepton( (*leps)[idx], false );
   else
     throw cms::Exception("UnimplementedFeature") << "Type of lepton given together with MET for solving neutrino kinematics is neither muon nor electron.\n";
   double pz = mez.Calculate(type);
   numberOfRealNeutrinoSolutions_ = mez.IsComplex() ? 0 : 2;
   const math::XYZTLorentzVector p4( ptr->px(), ptr->py(), pz, sqrt(ptr->px()*ptr->px() + ptr->py()*ptr->py() + pz*pz) );
   neutrino_ = new reco::ShallowClonePtrCandidate( ptr, ptr->charge(), p4, ptr->vertex() );
 }