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Momentum Class Reference

Momentum class. More...

#include <Momentum.h>

List of all members.

Public Methods
	Momentum ()
	Default constructor.
	Momentum (const Momentum &)
	Copy constructor.
	Momentum (const HepLorentzVector &, const HepSymMatrix &error=HepSymMatrix(4, 0))
	Constructor with momentum.
virtual	~Momentum ()
	Destructor.
virtual std::string	className (void)
	returns class name.
virtual void	dump (const std::string &keyword=std::string("mass momentum return"), const std::string &prefix=std::string("")) const
	dumps debug information.
virtual const HepLorentzVector &	p (void) const
	returns momentum vector.
virtual const HepSymMatrix	dp (void) const
	returns error matrix(4x4) of momentum vector. (not reference).
virtual const HepPoint3D &	x (void) const
	returns position vector.
virtual const HepSymMatrix	dx (void) const
	returns error matrix(3x3) of position vector. (not reference).
virtual const HepSymMatrix &	dpx (void) const
	returns error matrix of momentum and position vector.
virtual double	mass (void) const
	returns mass.
virtual double	dMass (void) const
	returns error of mass.
virtual double	eta (void) const
	returns eta.
virtual double	phi (void) const
	returns phi.
virtual double	pt (void) const
	returns pt.
virtual double	e (void) const
	returns energy.
double	deltaR (const Momentum *trk) const
	returns delta R to the other particle.
double	deltaR (const Momentum &trk) const
	returns delta R to the other particle.
virtual const HepPoint3D &	vertex (void) const
	retruns production vertex.
virtual const HepSymMatrix &	dVertex (void) const
	retruns error matrix(3x3) of production vertex.
virtual const HepPoint3D &	decayVertex (void) const
	retruns decay vertex.
virtual const HepSymMatrix &	dDecayVertex (void) const
	retruns error matrix(3x3) of decay vertex.
virtual void	momentum (const HepLorentzVector &, const HepSymMatrix &error=HepSymMatrix(4, 0))
	sets momentum vector and its error matrix(4x4).
virtual void	position (const HepPoint3D &, const HepSymMatrix &error=HepSymMatrix(3, 0))
	sets position vector and its error matrix(3x3).
virtual void	momentumPosition (const HepLorentzVector &, const HepPoint3D &, const HepSymMatrix &error=HepSymMatrix(7, 0))
	sets momentum and position vector and its error matrix(7x7).
virtual HepPoint3D &	vertex (const HepPoint3D &, const HepSymMatrix &error=HepSymMatrix(3, 0))
	sets production vertex and its error matrix(3x3).
virtual HepPoint3D &	decayVertex (const HepPoint3D &, const HepSymMatrix &error=HepSymMatrix(3, 0))
	sets decay vertex and its error matrix(3x3).
virtual Momentum &	operator= (const Momentum &)
	copy operator.
Protected Attributes
HepLorentzVector	m_momentum
HepPoint3D	m_position
HepSymMatrix	m_error
HepPoint3D	m_vertex
HepSymMatrix	m_vertexError
HepPoint3D	m_decayVertex
HepSymMatrix	m_decayVertexError

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Detailed Description

Momentum class.

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

• Momentum.h
• Momentum.cc

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