TtDecayChannelSelector Class Reference

#include <TtDecayChannelSelector.h>

Public Types
enum	{ Elec =0, Muon =1, Tau =2 }
	leafs of leptonic decay channel vector decay_ More...
typedef std::vector< int >	Decay
	typedef to simplify the decay vectors More...

Public Member Functions
bool	operator() (const reco::GenParticleCollection &parts, std::string inputType) const
	operator for decay channel selection More...
	TtDecayChannelSelector (const edm::ParameterSet &)
	std contructor More...
	~TtDecayChannelSelector ()
	default destructor More...

Private Member Functions
unsigned int	checkSum (const Decay &vec) const
unsigned int	countProngs (const reco::Candidate &part) const
	count the number of charged particles for tau decays More...
unsigned int	decayChannel () const
	return decay channel to select for from configuration More...
bool	search (reco::GenParticleCollection::const_iterator &part, int pdgId, std::string &inputType) const
	search for particle with pdgId in given listing (for top) More...
bool	search (reco::GenParticle::const_iterator &part, int pdgId, std::string &inputType) const
	search for particle with pdgId in given listing (for top daughters) More...
bool	tauDecay (const reco::Candidate &) const
	check tau decay to be leptonic, 1-prong or 3-prong More...

Private Attributes
bool	allow1Prong_
	allow 1-prong tau decays More...
bool	allow3Prong_
	allow 2-prong tau decays More...
Decay	allowedDecays_
bool	allowElectron_
	allow tau decays into electron More...
bool	allowMuon_
	allow tau decays into muon More...
Decay	decayBranchA_
	top decay branch 1 More...
Decay	decayBranchB_
	top decay branch 2 More...
bool	invert_
	invert selection More...
bool	restrictTauDecays_
	restrict tau decays More...

Detailed Description

Definition at line 8 of file TtDecayChannelSelector.h.

Member Typedef Documentation

typedef std::vector<int> TtDecayChannelSelector::Decay

typedef to simplify the decay vectors

Definition at line 15 of file TtDecayChannelSelector.h.

Member Enumeration Documentation

anonymous enum

leafs of leptonic decay channel vector decay_

Enumerator
Elec
Muon
Tau

Definition at line 13 of file TtDecayChannelSelector.h.

{Elec=0, Muon=1, Tau =2};

Constructor & Destructor Documentation

TtDecayChannelSelector::TtDecayChannelSelector

(

const edm::ParameterSet &

cfg

)

std contructor

Definition at line 15 of file TtDecayChannelSelector.cc.

TtDecayChannelSelector::~TtDecayChannelSelector

(

)

default destructor

Definition at line 57 of file TtDecayChannelSelector.cc.

Member Function Documentation

unsigned int TtDecayChannelSelector::checkSum ( const Decay &  vec ) const

inlineprivate

Definition at line 76 of file TtDecayChannelSelector.h.

References ztail::d.

{
  unsigned int sum=0;
  for(unsigned int d=0; d<vec.size(); ++d){
    sum+=vec[d];
  }
  return sum;
}

unsigned int TtDecayChannelSelector::countProngs ( const reco::Candidate &  part ) const

private

count the number of charged particles for tau decays

Definition at line 191 of file TtDecayChannelSelector.cc.

unsigned int TtDecayChannelSelector::decayChannel ( ) const

inlineprivate

return decay channel to select for from configuration

Definition at line 63 of file TtDecayChannelSelector.h.

References KineDebug3::count(), decayBranchA_, and decayBranchB_.

{
  unsigned int channel=0;
  if( std::count(decayBranchA_.begin(), decayBranchA_.end(), 1) > 0 ){ 
    ++channel; 
  }
  if( std::count(decayBranchB_.begin(), decayBranchB_.end(), 1) > 0 ){ 
    ++channel; 
  }
  return channel;
}

bool TtDecayChannelSelector::operator()	(	const reco::GenParticleCollection &	parts,
		std::string	inputType
	)		const

operator for decay channel selection

Definition at line 62 of file TtDecayChannelSelector.cc.

bool TtDecayChannelSelector::search ( reco::GenParticleCollection::const_iterator &  part, int  pdgId, std::string &  inputType  ) const

private

search for particle with pdgId in given listing (for top)

Definition at line 169 of file TtDecayChannelSelector.cc.

bool TtDecayChannelSelector::search ( reco::GenParticle::const_iterator &  part, int  pdgId, std::string &  inputType  ) const

private

search for particle with pdgId in given listing (for top daughters)

Definition at line 180 of file TtDecayChannelSelector.cc.

bool TtDecayChannelSelector::tauDecay ( const reco::Candidate &  tau ) const

private

check tau decay to be leptonic, 1-prong or 3-prong

Definition at line 206 of file TtDecayChannelSelector.cc.

Member Data Documentation

bool TtDecayChannelSelector::allow1Prong_

private

allow 1-prong tau decays

Definition at line 50 of file TtDecayChannelSelector.h.

bool TtDecayChannelSelector::allow3Prong_

private

allow 2-prong tau decays

Definition at line 52 of file TtDecayChannelSelector.h.

Decay TtDecayChannelSelector::allowedDecays_

private

vector of allowed lepton decay channels; values may be 0,1,2 for the entries 'Elec','Muon','Tau'

Definition at line 59 of file TtDecayChannelSelector.h.

bool TtDecayChannelSelector::allowElectron_

private

allow tau decays into electron

Definition at line 46 of file TtDecayChannelSelector.h.

bool TtDecayChannelSelector::allowMuon_

private

allow tau decays into muon

Definition at line 48 of file TtDecayChannelSelector.h.

Decay TtDecayChannelSelector::decayBranchA_

private

top decay branch 1

Definition at line 54 of file TtDecayChannelSelector.h.

Referenced by decayChannel().

Decay TtDecayChannelSelector::decayBranchB_

private

top decay branch 2

Definition at line 56 of file TtDecayChannelSelector.h.

Referenced by decayChannel().

bool TtDecayChannelSelector::invert_

private

invert selection

Definition at line 42 of file TtDecayChannelSelector.h.

bool TtDecayChannelSelector::restrictTauDecays_

private

restrict tau decays

Definition at line 44 of file TtDecayChannelSelector.h.