reco::TauMassTagInfo Class Reference

#include <TauMassTagInfo.h>

Inheritance diagram for reco::TauMassTagInfo:

List of all members.

Public Types
typedef ClusterTrackAssociationCollection::value_type	ClusterTrackAssociation
typedef edm::AssociationMap < edm::OneToValue < BasicClusterCollection, float, unsigned short > >	ClusterTrackAssociationCollection
Public Member Functions
virtual TauMassTagInfo *	clone () const
	clone
TauMassTagInfo::ClusterTrackAssociationCollection	clusterTrackCollection () const
float	discriminator () const
float	discriminator (double matching_cone, double leading_trk_pt, double signal_cone, double cluster_track_cone, double m_cut) const
double	getInvariantMass (double matching_cone, double leading_trk_pt, double signal_cone, double cluster_track_cone) const
double	getInvariantMassTrk (double matching_cone, double leading_trk_pt, double signal_cone) const
const IsolatedTauTagInfoRef &	getIsolatedTauTag () const
void	setIsolatedTauTag (const IsolatedTauTagInfoRef)
void	storeClusterTrackCollection (reco::BasicClusterRef clusterRef, float dr)
	TauMassTagInfo ()
virtual	~TauMassTagInfo ()
Private Member Functions
bool	calculateTrkP4 (double matching_cone, double leading_trk_pt, double signal_cone, math::XYZTLorentzVector &p4) const
Private Attributes
ClusterTrackAssociationCollection	clusterMap
IsolatedTauTagInfoRef	isolatedTau

---

Detailed Description

Definition at line 15 of file TauMassTagInfo.h.

---

Member Typedef Documentation

typedef ClusterTrackAssociationCollection::value_type reco::TauMassTagInfo::ClusterTrackAssociation

Definition at line 21 of file TauMassTagInfo.h.

typedef edm::AssociationMap< edm::OneToValue<BasicClusterCollection, float, unsigned short> > reco::TauMassTagInfo::ClusterTrackAssociationCollection

Definition at line 19 of file TauMassTagInfo.h.

---

Constructor & Destructor Documentation

reco::TauMassTagInfo::TauMassTagInfo

(

)

[inline]

Definition at line 23 of file TauMassTagInfo.h.

Referenced by clone().

{}

virtual reco::TauMassTagInfo::~TauMassTagInfo

(

)

[inline, virtual]

Definition at line 24 of file TauMassTagInfo.h.

{}

---

Member Function Documentation

bool reco::TauMassTagInfo::calculateTrkP4	(	double	matching_cone,
		double	leading_trk_pt,
		double	signal_cone,
		math::XYZTLorentzVector &	p4
	)		const [private]

Definition at line 41 of file TauMassTagInfo.cc.

References edm::RefVector< C, T, F >::begin(), gather_cfg::cout, edm::RefVector< C, T, F >::end(), relval_parameters_module::energy, L1TEmulatorMonitor_cff::p, edm::RefVector< C, T, F >::size(), and mathSSE::sqrt().

                                                        {


  const TrackRef leadTk= isolatedTau->leadingSignalTrack(matching_cone,leading_trk_pt);
  if (!leadTk) {
    std::cout <<" TauMassTagInfo::  No Leading Track !!  " << std::endl;    
    return false;
  }
  math::XYZVector momentum = (*leadTk).momentum();
  const RefVector<TrackCollection> signalTracks = 
                 isolatedTau->tracksInCone(momentum,signal_cone,1.0);
//  if (signalTracks.size() == 0 || signalTracks.size()%2 == 0) return false;
  if (signalTracks.size() == 0) return false;

  double px_inv = 0.0;
  double py_inv = 0.0;
  double pz_inv = 0.0;
  double e_inv  = 0.0;
  for (RefVector<TrackCollection>::const_iterator itrack = signalTracks.begin(); 
               itrack != signalTracks.end(); itrack++) {
    double p = (*itrack)->p();
    double energy = sqrt(p*p + 0.139*0.139); // use correct value!
    px_inv += (*itrack)->px();
    py_inv += (*itrack)->py();
    pz_inv += (*itrack)->pz();
    e_inv += energy;
  }

  p4.SetPx(px_inv);
  p4.SetPy(py_inv);
  p4.SetPz(pz_inv);
  p4.SetE(e_inv);

  return true;
}

virtual TauMassTagInfo* reco::TauMassTagInfo::clone

(

void

)

const [inline, virtual]

clone

Reimplemented from reco::JTATagInfo.

Definition at line 26 of file TauMassTagInfo.h.

References TauMassTagInfo().

{ return new TauMassTagInfo( * this ); }

TauMassTagInfo::ClusterTrackAssociationCollection reco::TauMassTagInfo::clusterTrackCollection

(

)

const [inline]

Definition at line 39 of file TauMassTagInfo.h.

References clusterMap.

{ return clusterMap;}

float reco::TauMassTagInfo::discriminator

(

)

const [inline]

Definition at line 29 of file TauMassTagInfo.h.

Referenced by InvariantMassAlgorithm::tag().

{return -1. ;}

float reco::TauMassTagInfo::discriminator	(	double	matching_cone,
		double	leading_trk_pt,
		double	signal_cone,
		double	cluster_track_cone,
		double	m_cut
	)		const

Definition at line 11 of file TauMassTagInfo.cc.

                                                       {
  float discriminator = 0.0;
  double invariantMass = getInvariantMass(matching_cone,leading_trk_pt, signal_cone,cluster_track_cone);  
  if (invariantMass >= 0.0 && invariantMass < m_cut ) discriminator = 1.0;
  return discriminator;
}

double reco::TauMassTagInfo::getInvariantMass	(	double	matching_cone,
		double	leading_trk_pt,
		double	signal_cone,
		double	cluster_track_cone
	)		const

Definition at line 91 of file TauMassTagInfo.cc.

References funct::cos(), edm::Ref< C, T, F >::key(), p4, phi, funct::sin(), and theta().

{

  math::XYZTLorentzVector totalP4;
  if (!calculateTrkP4(matching_cone, leading_trk_pt, signal_cone, totalP4)) return -1.0;

  // Add Clusters away from tracks
  for (ClusterTrackAssociationCollection::const_iterator mapIter = clusterMap.begin(); 
                                                         mapIter != clusterMap.end(); mapIter++) {
    const reco::BasicClusterRef & iclus = mapIter->key;
    float dr  = mapIter->val;
    if (dr > track_cone) {
      math::XYZVector clus3Vec(iclus->x(), iclus->y(), iclus->z());
      double e  = iclus->energy(); 
      double theta = clus3Vec.theta();
      double phi   = clus3Vec.phi();
      double px    = e * sin(theta) * cos(phi);
      double py    = e * sin(theta) * sin(phi);
      double pz    = e * cos(theta);
      math::XYZTLorentzVector p4(px,py,pz,e);
      totalP4 += p4;  
    }           
  }
  return totalP4.M();
}

double reco::TauMassTagInfo::getInvariantMassTrk	(	double	matching_cone,
		double	leading_trk_pt,
		double	signal_cone
	)		const

Definition at line 81 of file TauMassTagInfo.cc.

{
  math::XYZTLorentzVector totalP4;
  if (!calculateTrkP4(matching_cone,leading_trk_pt, signal_cone, totalP4)) return -1.0;
  return totalP4.M();
}

const IsolatedTauTagInfoRef & reco::TauMassTagInfo::getIsolatedTauTag

(

)

const

Definition at line 28 of file TauMassTagInfo.cc.

                                                                         {
   return isolatedTau;
}

void reco::TauMassTagInfo::setIsolatedTauTag

(

const IsolatedTauTagInfoRef

isolationRef

)

Definition at line 22 of file TauMassTagInfo.cc.

Referenced by InvariantMassAlgorithm::tag().

                                                                                  {
   isolatedTau = isolationRef;
}

void reco::TauMassTagInfo::storeClusterTrackCollection	(	reco::BasicClusterRef	clusterRef,
		float	dr
	)

Definition at line 34 of file TauMassTagInfo.cc.

Referenced by InvariantMassAlgorithm::tag().

                                                                                            {
  
  clusterMap.insert(clusterRef, dr);
}

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Member Data Documentation

ClusterTrackAssociationCollection reco::TauMassTagInfo::clusterMap [private]

Definition at line 51 of file TauMassTagInfo.h.

Referenced by clusterTrackCollection().

IsolatedTauTagInfoRef reco::TauMassTagInfo::isolatedTau [private]

Definition at line 50 of file TauMassTagInfo.h.