RhoTotalMomentum Class Reference

#include <RhoTotalMomentum.h>

Inheritance diagram for RhoTotalMomentum:

Public Member Functions
	RhoTotalMomentum (RhoCandList &, const RhoEventInfo &)
virtual	~RhoTotalMomentum ()
double	TotalEnergy () const
double	TotalMomentum () const
TVector3	Total3Momentum () const
TLorentzVector	Total4Momentum () const
double	TotalEnergyCms () const
double	TotalMomentumCms () const
TVector3	Total3MomentumCms () const
TLorentzVector	Total4MomentumCms () const
double	TotalMass () const
double	MissingEnergy () const
double	MissingMomentum () const
TVector3	Missing3Momentum () const
TLorentzVector	Missing4Momentum () const
double	MissingEnergyCms () const
double	MissingMomentumCms () const
TVector3	Missing3MomentumCms () const
TLorentzVector	Missing4MomentumCms () const
double	MissingMass () const

Protected Attributes
TLorentzVector	_total4Momentum
TLorentzVector	_total4MomentumCms
TLorentzVector	_missing4Momentum
TLorentzVector	_missing4MomentumCms

Detailed Description

Definition at line 37 of file RhoTotalMomentum.h.

Constructor & Destructor Documentation

RhoTotalMomentum::RhoTotalMomentum	(	RhoCandList &	list,
		const RhoEventInfo &	evtinfo
	)

Definition at line 44 of file RhoTotalMomentum.cxx.

References RhoEventInfo::CmFrame(), RhoCandListIterator::Next(), and RhoCandidate::P4().

{

  TLorentzVector tot4mom = TLorentzVector ( 0,0,0,0 );
  const RhoCandidate* trkptr;

  RhoCandListIterator iter ( list );

  // loop over all the RhoCandidates
  while ( ( trkptr = iter.Next() ) ) {
    // Calculate total 4-momentum. More-sophisticated algorithms can
    // be substituted later.
    tot4mom += trkptr->P4();
  }

  _total4Momentum = tot4mom; // set data member
  _total4MomentumCms = _total4Momentum; //intermediate step
  TVector3 cms = evtinfo.CmFrame().BoostVector();
  _total4MomentumCms.Boost ( - ( cms ) ); //do boost

  _missing4Momentum = evtinfo.CmFrame()-tot4mom; // set data member
  _missing4MomentumCms = _missing4Momentum; //intermediate step
  _missing4MomentumCms.Boost ( - ( cms ) ); //do boost
}

RhoTotalMomentum::~RhoTotalMomentum ( )

virtual

Definition at line 70 of file RhoTotalMomentum.cxx.

{}

Member Function Documentation

TVector3 RhoTotalMomentum::Missing3Momentum ( ) const

inline

Definition at line 68 of file RhoTotalMomentum.h.

References _missing4Momentum.

{ return TVector3 ( _missing4Momentum.X(),_missing4Momentum.Y(),_missing4Momentum.Z() ); }

TVector3 RhoTotalMomentum::Missing3MomentumCms ( ) const

inline

Definition at line 73 of file RhoTotalMomentum.h.

References _missing4MomentumCms.

{ return TVector3 ( _missing4MomentumCms.X(),_missing4MomentumCms.Y(),_missing4MomentumCms.Z() ); }

TLorentzVector RhoTotalMomentum::Missing4Momentum ( ) const

inline

Definition at line 69 of file RhoTotalMomentum.h.

References _missing4Momentum.

{ return _missing4Momentum; }

TLorentzVector RhoTotalMomentum::Missing4MomentumCms ( ) const

inline

Definition at line 74 of file RhoTotalMomentum.h.

References _missing4MomentumCms.

{ return _missing4MomentumCms; }

double RhoTotalMomentum::MissingEnergy ( ) const

inline

Definition at line 66 of file RhoTotalMomentum.h.

References _missing4Momentum.

{ return _missing4Momentum.T(); }

double RhoTotalMomentum::MissingEnergyCms ( ) const

inline

Definition at line 71 of file RhoTotalMomentum.h.

References _missing4MomentumCms.

{ return _missing4MomentumCms.T(); }

double RhoTotalMomentum::MissingMass ( ) const

inline

Definition at line 76 of file RhoTotalMomentum.h.

References _missing4Momentum.

{ return _missing4Momentum.Mag(); }

double RhoTotalMomentum::MissingMomentum ( ) const

inline

Definition at line 67 of file RhoTotalMomentum.h.

References _missing4Momentum.

{ return TVector3 ( _missing4Momentum.X(),_missing4Momentum.Y(),_missing4Momentum.Z() ).Mag(); }

double RhoTotalMomentum::MissingMomentumCms ( ) const

inline

Definition at line 72 of file RhoTotalMomentum.h.

References _missing4MomentumCms.

{ return TVector3 ( _missing4MomentumCms.X(),_missing4MomentumCms.Y(),_missing4MomentumCms.Z() ).Mag(); }

TVector3 RhoTotalMomentum::Total3Momentum ( ) const

inline

Definition at line 56 of file RhoTotalMomentum.h.

References _total4Momentum.

{ return TVector3 ( _total4Momentum.X(),_total4Momentum.Y(),_total4Momentum.Z() ); }

TVector3 RhoTotalMomentum::Total3MomentumCms ( ) const

inline

Definition at line 61 of file RhoTotalMomentum.h.

References _total4MomentumCms.

{ return TVector3 ( _total4MomentumCms.X(),_total4MomentumCms.Y(),_total4MomentumCms.Z() ); }

TLorentzVector RhoTotalMomentum::Total4Momentum ( ) const

inline

Definition at line 57 of file RhoTotalMomentum.h.

References _total4Momentum.

{ return _total4Momentum; }

TLorentzVector RhoTotalMomentum::Total4MomentumCms ( ) const

inline

Definition at line 62 of file RhoTotalMomentum.h.

References _total4MomentumCms.

{ return _total4MomentumCms; }

double RhoTotalMomentum::TotalEnergy ( ) const

inline

Definition at line 54 of file RhoTotalMomentum.h.

References _total4Momentum.

{ return _total4Momentum.T(); }

double RhoTotalMomentum::TotalEnergyCms ( ) const

inline

Definition at line 59 of file RhoTotalMomentum.h.

References _total4MomentumCms.

{ return _total4MomentumCms.T(); }

double RhoTotalMomentum::TotalMass ( ) const

inline

Definition at line 64 of file RhoTotalMomentum.h.

References _total4Momentum.

{ return _total4Momentum.Mag(); }

double RhoTotalMomentum::TotalMomentum ( ) const

inline

Definition at line 55 of file RhoTotalMomentum.h.

References _total4Momentum.

{ return TVector3 ( _total4Momentum.X(),_total4Momentum.Y(),_total4Momentum.Z() ).Mag(); }

double RhoTotalMomentum::TotalMomentumCms ( ) const

inline

Definition at line 60 of file RhoTotalMomentum.h.

References _total4MomentumCms.

{ return TVector3 ( _total4MomentumCms.X(),_total4MomentumCms.Y(),_total4MomentumCms.Z() ).Mag(); }

Member Data Documentation

TLorentzVector RhoTotalMomentum::_missing4Momentum

protected

Definition at line 84 of file RhoTotalMomentum.h.

Referenced by Missing3Momentum(), Missing4Momentum(), MissingEnergy(), MissingMass(), and MissingMomentum().

TLorentzVector RhoTotalMomentum::_missing4MomentumCms

protected

Definition at line 85 of file RhoTotalMomentum.h.

Referenced by Missing3MomentumCms(), Missing4MomentumCms(), MissingEnergyCms(), and MissingMomentumCms().

TLorentzVector RhoTotalMomentum::_total4Momentum

protected

Definition at line 81 of file RhoTotalMomentum.h.

Referenced by Total3Momentum(), Total4Momentum(), TotalEnergy(), TotalMass(), and TotalMomentum().

TLorentzVector RhoTotalMomentum::_total4MomentumCms

protected

Definition at line 82 of file RhoTotalMomentum.h.

Referenced by Total3MomentumCms(), Total4MomentumCms(), TotalEnergyCms(), and TotalMomentumCms().

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The documentation for this class was generated from the following files:

• RhoTotalMomentum.h
• RhoTotalMomentum.cxx