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#include <TtSemiLepHypMaxSumPtWMass.h>
Public Member Functions | |
| TtSemiLepHypMaxSumPtWMass (const edm::ParameterSet &) | |
| ~TtSemiLepHypMaxSumPtWMass () | |
Private Member Functions | |
| virtual void | buildHypo (edm::Event &, const edm::Handle< edm::View< reco::RecoCandidate > > &, const edm::Handle< std::vector< pat::MET > > &, const edm::Handle< std::vector< pat::Jet > > &, std::vector< int > &, const unsigned int iComb) |
| build event hypothesis from the reco objects of a semi-leptonic event | |
| virtual void | buildKey () |
| build the event hypothesis key | |
Private Attributes | |
| std::string | bTagAlgorithm_ |
| double | maxBDiscLightJets_ |
| int | maxNJets_ |
| double | minBDiscBJets_ |
| int | neutrinoSolutionType_ |
| bool | useBTagging_ |
| double | wMass_ |
Definition at line 7 of file TtSemiLepHypMaxSumPtWMass.h.
| TtSemiLepHypMaxSumPtWMass::TtSemiLepHypMaxSumPtWMass | ( | const edm::ParameterSet & | cfg | ) | [explicit] |
Definition at line 4 of file TtSemiLepHypMaxSumPtWMass.cc.
References Exception, and maxNJets_.
: TtSemiLepHypothesis( cfg ), maxNJets_ (cfg.getParameter<int> ("maxNJets" )), wMass_ (cfg.getParameter<double> ("wMass" )), useBTagging_ (cfg.getParameter<bool> ("useBTagging" )), bTagAlgorithm_ (cfg.getParameter<std::string>("bTagAlgorithm" )), minBDiscBJets_ (cfg.getParameter<double> ("minBDiscBJets" )), maxBDiscLightJets_ (cfg.getParameter<double> ("maxBDiscLightJets" )), neutrinoSolutionType_(cfg.getParameter<int> ("neutrinoSolutionType")) { if(maxNJets_<4 && maxNJets_!=-1) throw cms::Exception("WrongConfig") << "Parameter maxNJets can not be set to " << maxNJets_ << ". \n" << "It has to be larger than 4 or can be set to -1 to take all jets."; }
| TtSemiLepHypMaxSumPtWMass::~TtSemiLepHypMaxSumPtWMass | ( | ) |
Definition at line 20 of file TtSemiLepHypMaxSumPtWMass.cc.
{ }
| void TtSemiLepHypMaxSumPtWMass::buildHypo | ( | edm::Event & | evt, |
| 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 > & | match, | ||
| const unsigned int | iComb | ||
| ) | [private, virtual] |
build event hypothesis from the reco objects of a semi-leptonic event
Implements TtSemiLepHypothesis.
Definition at line 23 of file TtSemiLepHypMaxSumPtWMass.cc.
References bTagAlgorithm_, spr::find(), TtSemiLepDaughter::HadB, TtSemiLepHypothesis::hadronicB_, i, TtSemiLepHypothesis::isValid(), TtSemiLepHypothesis::jetCorrectionLevel(), analyzePatCleaning_cfg::jets, TtSemiLepDaughter::LepB, TtSemiLepEvtPartons::Lepton, TtSemiLepHypothesis::lepton_, TtSemiLepHypothesis::leptonicB_, TtFullHadDaughter::LightQ, TtSemiLepHypothesis::lightQ_, TtFullHadDaughter::LightQBar, TtSemiLepHypothesis::lightQBar_, maxBDiscLightJets_, maxNJets_, minBDiscBJets_, TtSemiLepHypothesis::neutrino_, neutrinoSolutionType_, TtSemiLepHypothesis::setCandidate(), TtSemiLepHypothesis::setNeutrino(), useBTagging_, and wMass_.
{
if(leps->empty() || mets->empty() || jets->size()<4){
// create empty hypothesis
return;
}
int maxNJets = maxNJets_;
if(maxNJets_ == -1 || (int)jets->size() < maxNJets_) maxNJets = jets->size();
std::vector<bool> isBJet;
std::vector<bool> isLJet;
int cntBJets = 0;
if(useBTagging_) {
for(int idx=0; idx<maxNJets; ++idx) {
isBJet.push_back( ((*jets)[idx].bDiscriminator(bTagAlgorithm_) > minBDiscBJets_ ) );
isLJet.push_back( ((*jets)[idx].bDiscriminator(bTagAlgorithm_) < maxBDiscLightJets_) );
if((*jets)[idx].bDiscriminator(bTagAlgorithm_) > minBDiscBJets_ )cntBJets++;
}
}
match.clear();
for(int i=0; i<5; ++i)
match.push_back(-1);
// -----------------------------------------------------
// associate those jets with maximum pt of the vectorial
// sum to the hadronic decay chain
// -----------------------------------------------------
double maxPt=-1.;
std::vector<int> maxPtIndices;
maxPtIndices.push_back(-1);
maxPtIndices.push_back(-1);
maxPtIndices.push_back(-1);
for(int idx=0; idx<maxNJets; ++idx){
if(useBTagging_ && (!isLJet[idx] || (cntBJets<=2 && isBJet[idx]))) continue;
for(int jdx=(idx+1); jdx<maxNJets; ++jdx){
if(jdx==idx || (useBTagging_ && (!isLJet[jdx] || (cntBJets<=2 && isBJet[jdx]) || (cntBJets==3 && isBJet[idx] && isBJet[jdx])))) continue;
for(int kdx=0; kdx<maxNJets; ++kdx){
if(kdx==idx || kdx==jdx || (useBTagging_ && !isBJet[kdx])) continue;
reco::Particle::LorentzVector sum =
(*jets)[idx].p4()+
(*jets)[jdx].p4()+
(*jets)[kdx].p4();
if( maxPt<0. || maxPt<sum.pt() ){
maxPt=sum.pt();
maxPtIndices.clear();
maxPtIndices.push_back(idx);
maxPtIndices.push_back(jdx);
maxPtIndices.push_back(kdx);
}
}
}
}
// -----------------------------------------------------
// associate those jets that get closest to the W mass
// with their invariant mass to the W boson
// -----------------------------------------------------
double wDist =-1.;
std::vector<int> closestToWMassIndices;
closestToWMassIndices.push_back(-1);
closestToWMassIndices.push_back(-1);
if( isValid(maxPtIndices[0], jets) && isValid(maxPtIndices[1], jets) && isValid(maxPtIndices[2], jets)) {
for(unsigned idx=0; idx<maxPtIndices.size(); ++idx){
for(unsigned jdx=0; jdx<maxPtIndices.size(); ++jdx){
if( jdx==idx || maxPtIndices[idx]>maxPtIndices[jdx] || (useBTagging_ && (!isLJet[maxPtIndices[idx]] || !isLJet[maxPtIndices[jdx]] || (cntBJets<=2 && isBJet[maxPtIndices[idx]]) || (cntBJets<=2 && isBJet[maxPtIndices[jdx]]) || (cntBJets==3 && isBJet[maxPtIndices[idx]] && isBJet[maxPtIndices[jdx]])))) continue;
reco::Particle::LorentzVector sum =
(*jets)[maxPtIndices[idx]].p4()+
(*jets)[maxPtIndices[jdx]].p4();
if( wDist<0. || wDist>fabs(sum.mass()-wMass_) ){
wDist=fabs(sum.mass()-wMass_);
closestToWMassIndices.clear();
closestToWMassIndices.push_back(maxPtIndices[idx]);
closestToWMassIndices.push_back(maxPtIndices[jdx]);
}
}
}
}
// -----------------------------------------------------
// associate the remaining jet with maximum pt of the
// vectorial sum with the leading lepton with the
// leptonic decay chain
// -----------------------------------------------------
maxPt=-1.;
int lepB=-1;
for(int idx=0; idx<maxNJets; ++idx){
if(useBTagging_ && !isBJet[idx]) continue;
// make sure it's not used up already from the hadronic decay chain
if( std::find(maxPtIndices.begin(), maxPtIndices.end(), idx) == maxPtIndices.end() ){
reco::Particle::LorentzVector sum =
(*jets)[idx].p4()+(*leps)[ 0 ].p4();
if( maxPt<0. || maxPt<sum.pt() ){
maxPt=sum.pt();
lepB=idx;
}
}
}
// -----------------------------------------------------
// add jets
// -----------------------------------------------------
if( isValid(closestToWMassIndices[0], jets) ){
setCandidate(jets, closestToWMassIndices[0], lightQ_, jetCorrectionLevel("wQuarkMix"));
match[TtSemiLepEvtPartons::LightQ] = closestToWMassIndices[0];
}
if( isValid(closestToWMassIndices[1], jets) ){
setCandidate(jets, closestToWMassIndices[1], lightQBar_, jetCorrectionLevel("wQuarkMix"));
match[TtSemiLepEvtPartons::LightQBar] = closestToWMassIndices[1];
}
for(unsigned idx=0; idx<maxPtIndices.size(); ++idx){
// if this idx is not yet contained in the list of W mass candidates...
if( std::find( closestToWMassIndices.begin(), closestToWMassIndices.end(), maxPtIndices[idx]) == closestToWMassIndices.end() ){
// ...and if it is valid
if( isValid(maxPtIndices[idx], jets) ){
setCandidate(jets, maxPtIndices[idx], hadronicB_, jetCorrectionLevel("bQuark"));
match[TtSemiLepEvtPartons::HadB] = maxPtIndices[idx];
break; // there should be no other cadidates!
}
}
}
if( isValid(lepB, jets) ){
setCandidate(jets, lepB, leptonicB_, jetCorrectionLevel("bQuark"));
match[TtSemiLepEvtPartons::LepB] = lepB;
}
// -----------------------------------------------------
// add lepton
// -----------------------------------------------------
setCandidate(leps, 0, lepton_);
match[TtSemiLepEvtPartons::Lepton] = 0;
// -----------------------------------------------------
// add neutrino
// -----------------------------------------------------
if(neutrinoSolutionType_ == -1)
setCandidate(mets, 0, neutrino_);
else
setNeutrino(mets, leps, 0, neutrinoSolutionType_);
}
| virtual void TtSemiLepHypMaxSumPtWMass::buildKey | ( | ) | [inline, private, virtual] |
build the event hypothesis key
Implements TtSemiLepHypothesis.
Definition at line 17 of file TtSemiLepHypMaxSumPtWMass.h.
References TtSemiLepHypothesis::key_, and TtEvent::kMaxSumPtWMass.
std::string TtSemiLepHypMaxSumPtWMass::bTagAlgorithm_ [private] |
Definition at line 30 of file TtSemiLepHypMaxSumPtWMass.h.
Referenced by buildHypo().
double TtSemiLepHypMaxSumPtWMass::maxBDiscLightJets_ [private] |
Definition at line 32 of file TtSemiLepHypMaxSumPtWMass.h.
Referenced by buildHypo().
int TtSemiLepHypMaxSumPtWMass::maxNJets_ [private] |
Definition at line 27 of file TtSemiLepHypMaxSumPtWMass.h.
Referenced by buildHypo(), and TtSemiLepHypMaxSumPtWMass().
double TtSemiLepHypMaxSumPtWMass::minBDiscBJets_ [private] |
Definition at line 31 of file TtSemiLepHypMaxSumPtWMass.h.
Referenced by buildHypo().
int TtSemiLepHypMaxSumPtWMass::neutrinoSolutionType_ [private] |
Definition at line 33 of file TtSemiLepHypMaxSumPtWMass.h.
Referenced by buildHypo().
bool TtSemiLepHypMaxSumPtWMass::useBTagging_ [private] |
Definition at line 29 of file TtSemiLepHypMaxSumPtWMass.h.
Referenced by buildHypo().
double TtSemiLepHypMaxSumPtWMass::wMass_ [private] |
Definition at line 28 of file TtSemiLepHypMaxSumPtWMass.h.
Referenced by buildHypo().
1.7.3