ZTgperp Class Reference

#include <ZTgperp.h>

Inheritance diagram for ZTgperp:

Public Member Functions
	ZTgperp (const TLorentzVector &p, double mR_in=-9999)
ZTgperp &	operator= (const SymmLorentzMatrix &other)
Public Member Functions inherited from SymmLorentzMatrix
	SymmLorentzMatrix ()
	SymmLorentzMatrix (const TLorentzVector p[4])
	SymmLorentzMatrix (const TLorentzVector p)
	SymmLorentzMatrix (const SymmLorentzMatrix &other)
SymmLorentzMatrix &	add (const SymmLorentzMatrix &other)
SymmLorentzMatrix &	subtract (const SymmLorentzMatrix &other)
SymmLorentzMatrix &	mult (double s)
SymmLorentzMatrix &	div (double s)
TLorentzVector	Contract (const TLorentzVector &vec)
LorentzMatrix	Contract_1 (const SymmLorentzMatrix &M)
double	Contract_2 (const SymmLorentzMatrix &M)
SymmLorentzMatrix &	operator+= (const SymmLorentzMatrix &rhs)
SymmLorentzMatrix &	operator *= (double rhs)
SymmLorentzMatrix &	operator-= (const SymmLorentzMatrix &rhs)
SymmLorentzMatrix &	operator/= (double rhs)
SymmLorentzMatrix &	operator= (const SymmLorentzMatrix &other)
SymmLorentzMatrix	operator+ (const SymmLorentzMatrix &rhs) const
SymmLorentzMatrix	operator- (const SymmLorentzMatrix &rhs) const
SymmLorentzMatrix	operator * (double rhs) const
SymmLorentzMatrix	operator/ (double rhs) const
Public Member Functions inherited from LorentzMatrix
const TLorentzVector &	v (int i) const
	LorentzMatrix ()
	LorentzMatrix (const TLorentzVector p[4])
	LorentzMatrix (const LorentzMatrix &other)
const TLorentzVector &	X () const
const TLorentzVector &	Y () const
const TLorentzVector &	Z () const
const TLorentzVector &	T () const
TLorentzVector &	X ()
TLorentzVector &	Y ()
TLorentzVector &	Z ()
TLorentzVector &	T ()
const TLorentzVector &	operator[] (int i) const
TLorentzVector &	operator[] (int i)
LorentzMatrix &	add (const LorentzMatrix &other)
LorentzMatrix &	subtract (const LorentzMatrix &other)
LorentzMatrix &	mult (double s)
LorentzMatrix &	div (double s)
LorentzMatrix &	operator+= (const LorentzMatrix &rhs)
LorentzMatrix &	operator *= (double rhs)
LorentzMatrix &	operator-= (const LorentzMatrix &rhs)
LorentzMatrix &	operator/= (double rhs)
LorentzMatrix &	operator= (const LorentzMatrix &other)
LorentzMatrix	operator+ (const LorentzMatrix &rhs) const
LorentzMatrix	operator- (const LorentzMatrix &rhs) const
LorentzMatrix	operator * (double rhs) const
LorentzMatrix	operator/ (double rhs) const

Additional Inherited Members
Static Public Member Functions inherited from SymmLorentzMatrix
static const SymmLorentzMatrix &	gmunu ()
Protected Member Functions inherited from SymmLorentzMatrix
bool	symmetrize ()
bool	makeZero ()
Protected Member Functions inherited from LorentzMatrix
bool	makeZero ()
Static Protected Member Functions inherited from SymmLorentzMatrix
static void	makeGmunu ()
Protected Attributes inherited from LorentzMatrix
TLorentzVector	_v [4]
Static Protected Attributes inherited from SymmLorentzMatrix
static SymmLorentzMatrix *	__gmunu = 0

Detailed Description

Definition at line 10 of file ZTgperp.h.

Constructor & Destructor Documentation

ZTgperp()

ZTgperp::ZTgperp ( const TLorentzVector &  p, double  mR_in = -9999  )

inline

Definition at line 12 of file ZTgperp.h.

                                                        {
    // the "true" gmunu_perp should be with u = p/sqrt(p^2)
    // however, often we use instead u = p/m_R where m_R is 
    // the "nominal" mass (at the peak) rather than
    // the (off-shell) mass of the resonance.
    // m_R < 0 uses sqrt(p^2), otherwise it's m_R

    double mR2 = (mR_in < 0 ? p.M2() : mR_in*mR_in);
    SymmLorentzMatrix uu(p);
    uu /= mR2;

    *this = (SymmLorentzMatrix::gmunu() - uu);
  }

Member Function Documentation

operator=()

ZTgperp& ZTgperp::operator= ( const SymmLorentzMatrix &  other )

inline

Definition at line 26 of file ZTgperp.h.

                                                    {
    for(int i=0; i<4; i++) _v[i] = other.v(i);
    return *this;
  }

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

• Mint/ZTgperp.h