caf::SRLorentzVector Class Reference

4-vector with more efficient storage than TLorentzVector More...

#include <SRLorentzVector.h>

Public Member Functions
	SRLorentzVector ()
virtual	~SRLorentzVector ()
	SRLorentzVector (const TLorentzVector &v)
	operator TLorentzVector () const
	Recommend users convert back to TLorentzVector for boosts etc. More...
float	T () const
float	X () const
float	Y () const
float	Z () const
float	Mag () const
float	Beta () const
float	Gamma () const
TVector3	Vect () const

Public Attributes
float	E
float	px
float	py
float	pz

Detailed Description

4-vector with more efficient storage than TLorentzVector

Definition at line 17 of file SRLorentzVector.h.

Constructor & Destructor Documentation

caf::SRLorentzVector::SRLorentzVector

(

)

Definition at line 10 of file SRLorentzVector.cxx.

                                   :
    E (std::numeric_limits<float>::signaling_NaN()),
    px(std::numeric_limits<float>::signaling_NaN()),
    py(std::numeric_limits<float>::signaling_NaN()),
    pz(std::numeric_limits<float>::signaling_NaN())
  {
  }

caf::SRLorentzVector::~SRLorentzVector ( )

virtual

Definition at line 23 of file SRLorentzVector.cxx.

  {
  }

caf::SRLorentzVector::SRLorentzVector

(

const TLorentzVector &

v

)

Definition at line 18 of file SRLorentzVector.cxx.

    : E(v.E()), px(v.X()), py(v.Y()), pz(v.Z())
  {
  }

Member Function Documentation

float caf::SRLorentzVector::Beta ( ) const

inline

Definition at line 36 of file SRLorentzVector.h.

{return Mag()/E;}

float caf::SRLorentzVector::Gamma ( ) const

inline

Definition at line 37 of file SRLorentzVector.h.

{return 1.0/TMath::Sqrt(1-Beta()*Beta());}

float caf::SRLorentzVector::Mag ( ) const

inline

Definition at line 35 of file SRLorentzVector.h.

{return TMath::Sqrt(px*px + py*py + pz*pz);}

caf::SRLorentzVector::operator TLorentzVector

(

)

const

Recommend users convert back to TLorentzVector for boosts etc.

Definition at line 27 of file SRLorentzVector.cxx.

  {
   return TLorentzVector(px, py, pz, E);
  }

float caf::SRLorentzVector::T ( ) const

inline

Definition at line 31 of file SRLorentzVector.h.

{return E;}

TVector3 caf::SRLorentzVector::Vect ( ) const

inline

Definition at line 39 of file SRLorentzVector.h.

{return TVector3(px, py, pz);}

float caf::SRLorentzVector::X ( ) const

inline

Definition at line 32 of file SRLorentzVector.h.

{return px;}

float caf::SRLorentzVector::Y ( ) const

inline

Definition at line 33 of file SRLorentzVector.h.

{return py;}

float caf::SRLorentzVector::Z ( ) const

inline

Definition at line 34 of file SRLorentzVector.h.

{return pz;}

Member Data Documentation

float caf::SRLorentzVector::E

Definition at line 42 of file SRLorentzVector.h.

float caf::SRLorentzVector::px

Definition at line 43 of file SRLorentzVector.h.

float caf::SRLorentzVector::py

Definition at line 44 of file SRLorentzVector.h.

float caf::SRLorentzVector::pz

Definition at line 45 of file SRLorentzVector.h.

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

• SRLorentzVector.h
• SRLorentzVector.cxx