LeptonTaggerDistance Class Reference

#include <LeptonTaggerDistance.h>

Inheritance diagram for LeptonTaggerDistance:

Public Member Functions
virtual float	discriminator (const TagInfoHelper &tagInfo) const
	b-tag a jet based on track-to-jet pseudo-angular distance More...
	LeptonTaggerDistance (void)
	default ctor More...
	LeptonTaggerDistance (const edm::ParameterSet &configuration)
	explicit ctor More...
virtual	~LeptonTaggerDistance ()
	dtor More...
Public Member Functions inherited from JetTagComputer
const std::vector< std::string > &	getInputLabels () const
virtual void	initialize (const JetTagComputerRecord &)
	JetTagComputer ()
	JetTagComputer (const edm::ParameterSet &configuration)
float	operator() (const reco::BaseTagInfo &info) const
float	operator() (const TagInfoHelper &helper) const
void	setupDone ()
virtual	~JetTagComputer ()

Private Attributes
float	m_maxDistance

Additional Inherited Members
Protected Member Functions inherited from JetTagComputer
virtual float	discriminator (const reco::BaseTagInfo &) const
void	uses (unsigned int id, const std::string &label)
void	uses (const std::string &label)

Detailed Description

Implementation of muon b-tagging returning 1 if a lepton is present in the jet, 0 otherwise

Author

Andrea 'fwyzard' Bocci, Scuola Normale Superiore, Pisa

Definition at line 14 of file LeptonTaggerDistance.h.

Constructor & Destructor Documentation

LeptonTaggerDistance::LeptonTaggerDistance ( void  )

inline

default ctor

Definition at line 18 of file LeptonTaggerDistance.h.

References JetTagComputer::uses().

: m_maxDistance(0.5) { uses("slTagInfos"); }

LeptonTaggerDistance::LeptonTaggerDistance ( const edm::ParameterSet &  configuration )

inlineexplicit

explicit ctor

Definition at line 21 of file LeptonTaggerDistance.h.

References edm::ParameterSet::getParameter(), m_maxDistance, and JetTagComputer::uses().

                                                                       {
    m_maxDistance = configuration.getParameter<double>("distance");
    uses("slTagInfos");
  }

virtual LeptonTaggerDistance::~LeptonTaggerDistance ( )

inlinevirtual

dtor

Definition at line 27 of file LeptonTaggerDistance.h.

{ }

Member Function Documentation

float LeptonTaggerDistance::discriminator ( const TagInfoHelper &  tagInfo ) const

virtual

b-tag a jet based on track-to-jet pseudo-angular distance

Reimplemented from JetTagComputer.

Definition at line 7 of file LeptonTaggerDistance.cc.

References reco::SoftLeptonProperties::deltaR, JetTagComputer::TagInfoHelper::get(), i, infinity, info(), reco::TemplatedSoftLeptonTagInfo< REF >::leptons(), m_maxDistance, and reco::TemplatedSoftLeptonTagInfo< REF >::properties().

                                                                             {
  const reco::SoftLeptonTagInfo & info = tagInfo.get<reco::SoftLeptonTagInfo>();
  // if there are any leptons, look for any one within the requested deltaR
  for (unsigned int i = 0; i < info.leptons(); i++) {
    if (info.properties(i).deltaR <= m_maxDistance)
      return 1.0;
  }
  // default value, used if there are no leptons associated to this jet
  return - std::numeric_limits<float>::infinity();
}

Member Data Documentation

float LeptonTaggerDistance::m_maxDistance

private

Definition at line 34 of file LeptonTaggerDistance.h.

Referenced by discriminator(), and LeptonTaggerDistance().