org.lcsim.util.fourvec

Interface Lorentz4Vector

All Known Implementing Classes:

Momentum4Vector

public interface Lorentz4Vector

A Lorentz Four-vector class interface

Version:

1.0

Author:

Norman A. Graf

Method Summary

Methods

Modifier and Type	Method and Description
Lorentz4Vector	boost(Lorentz4Vector prest)
Lorentz4Vector	divide(Lorentz4Vector y, double a)
double	dot(Lorentz4Vector y1)
double	E()
double	mass()
double	mass2()
Lorentz4Vector	minus(Lorentz4Vector y1, Lorentz4Vector y2) Subtract a four-vector and return the result.
double	p()
double	phi()
Lorentz4Vector	plus(Lorentz4Vector y2) Add a four-vector and returns the result.
void	plusEquals(double f1, double f2, double f3, double f4) Add the constituents of a four-vector to this four-vector.
void	plusEquals(Lorentz4Vector y1) Add a four-vector to this four-vector.
double	pT()
double	px()
double	py()
double	pz()
double	theta()
Lorentz4Vector	times(double a, Lorentz4Vector y)
Lorentz4Vector	times(Lorentz4Vector y, double a)
String	toString()
double	vec3dot(Lorentz4Vector y1)

Method Detail

plus

Lorentz4Vector plus(Lorentz4Vector y2)

Add a four-vector and returns the result.

Parameters:

y2 - Four-vector to add.

Returns:

Resulting four-vector sum.

plusEquals

void plusEquals(Lorentz4Vector y1)

Add a four-vector to this four-vector.

Parameters:

y1 - Four-vector to add.

plusEquals

void plusEquals(double f1,
              double f2,
              double f3,
              double f4)

Add the constituents of a four-vector to this four-vector.

Parameters:

f1 - first element

f2 - second element

f3 - third element

f4 - fourth element

minus

Lorentz4Vector minus(Lorentz4Vector y1,
                   Lorentz4Vector y2)

Subtract a four-vector and return the result.

Parameters:

y1 - Four-vector to add.

y2 -

Returns:

Resulting four-vector difference.

times

Lorentz4Vector times(double a,
                   Lorentz4Vector y)

times

Lorentz4Vector times(Lorentz4Vector y,
                   double a)

divide

Lorentz4Vector divide(Lorentz4Vector y,
                    double a)

toString

String toString()

Overrides:

toString in class Object

dot

double dot(Lorentz4Vector y1)

vec3dot

double vec3dot(Lorentz4Vector y1)

px

double px()

py

double py()

pz

double pz()

E

double E()

pT

double pT()

p

double p()

phi

double phi()

theta

double theta()

mass2

double mass2()

mass

double mass()

boost

Lorentz4Vector boost(Lorentz4Vector prest)