helper class containing information about a di-muon system More...

Public Member Functions
	DiMuonInfo (double, double)

void	fill ()

std::vector< reco::GenParticle > &	muons ()

void	setupTree (const std::string &, edm::Service< TFileService > &)

Private Attributes
double	diMuonMass_ {-1.0}

const double	maxMassPair_

const double	minMassPair_

std::vector< reco::GenParticle >	muons_

bool	passed_ {false}

int	pdgMother_ {0}

TTree *	tree_ {nullptr}

Detailed Description

helper class containing information about a di-muon system

Definition at line 56 of file ZMuMuMassConstraintParameterFinder.cc.

Constructor & Destructor Documentation

◆ DiMuonInfo()

ZMuMuMassConstraintParameterFinder::DiMuonInfo::DiMuonInfo	(	double	minMass,
		double	maxMass
	)

Definition at line 169 of file ZMuMuMassConstraintParameterFinder.cc.

170 : minMassPair_{minMass}, maxMassPair_{maxMass} {}

References B2GTnPMonitor_cfi::minMass.

Member Function Documentation

◆ fill()

void ZMuMuMassConstraintParameterFinder::DiMuonInfo::fill ( )

Definition at line 181 of file ZMuMuMassConstraintParameterFinder.cc.

                                                           {
   if (muons_.size() == 2) {
     diMuonMass_ = (muons_[0].p4() + muons_[1].p4()).M();
     pdgMother_ = muons_[0].mother()->pdgId();
     if (diMuonMass_ > minMassPair_ && diMuonMass_ < maxMassPair_)
       passed_ = true;
     tree_->Fill();
   }
   muons_.clear();
   diMuonMass_ = -1.0;
   pdgMother_ = 0;
   passed_ = false;
 }

References ZMuMuMassConstraintParameterFinder::maxMassPair_, and ZMuMuMassConstraintParameterFinder::minMassPair_.

Referenced by ZMuMuMassConstraintParameterFinder::analyze().

◆ muons()

std::vector<reco::GenParticle>& ZMuMuMassConstraintParameterFinder::DiMuonInfo::muons ( )

inline

Definition at line 61 of file ZMuMuMassConstraintParameterFinder.cc.

61 { return muons_; }

References muons_.

Referenced by ZMuMuMassConstraintParameterFinder::analyze().

◆ setupTree()

void ZMuMuMassConstraintParameterFinder::DiMuonInfo::setupTree	(	const std::string &	name,
		edm::Service< TFileService > &	fs
	)

Definition at line 172 of file ZMuMuMassConstraintParameterFinder.cc.

                                                                                                {
   tree_ = fs->make<TTree>(name.c_str(), name.c_str());
   tree_->Branch("muons", &muons_);
   tree_->Branch("di_muon_mass", &diMuonMass_);
   tree_->Branch("pdg_mother", &pdgMother_);
   tree_->Branch("in_mass_window", &passed_);
 }