xal.tools.beam

Class RelativisticParameterConverter

java.lang.Object

xal.tools.beam.RelativisticParameterConverter

public class RelativisticParameterConverter
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
RelativisticParameterConverter()

Method Summary

Modifier and Type	Method and Description
static double	computeBetaFromEnergies(double W, double Er) Convenience function for computing the probe's velocity beta (w.r.t.
static double	computeBetaFromGamma(double gamma) Convenience function for computing the probe's velocity beta (w.r.t.
static double	computeGammaFromBeta(double beta) Computes the relativistic factor gamma from the current beta value
static double	computeGammaFromEnergies(double W, double Er) Convenience function for computing the relativistic factor gamma from a particle's kinetic energy and rest energy.
static double	computeMomentumFromEnergies(double W, double Er) Convenience function for computing momentum from kinetic energy

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RelativisticParameterConverter

public RelativisticParameterConverter()

Method Detail

computeGammaFromBeta

public static double computeGammaFromBeta(double beta)

Computes the relativistic factor gamma from the current beta value

Parameters:

beta - speed of probe w.r.t. the speed of light

Returns:

relativistic factor gamma

computeGammaFromEnergies

public static double computeGammaFromEnergies(double W,
                                              double Er)

Convenience function for computing the relativistic factor gamma from a particle's kinetic energy and rest energy.

Parameters:

W - kinetic energy of the particle

Er - rest energy of particle

Returns:

relativistic factor gamma

computeBetaFromGamma

public static double computeBetaFromGamma(double gamma)

Convenience function for computing the probe's velocity beta (w.r.t. the speed of light) from the relativistic factor gamma.

Parameters:

beta - relativistic factor gamma

Returns:

speed of probe (w.r.t. speed of light)

computeBetaFromEnergies

public static double computeBetaFromEnergies(double W,
                                             double Er)

Convenience function for computing the probe's velocity beta (w.r.t. the speed of light) from the particle's kinetic and rest energies.

Parameters:

W - kinetic energy of the particle (eV)

Er - rest energy of particle (eV)

Returns:

speed of probe (w.r.t. speed of light)

computeMomentumFromEnergies

public static double computeMomentumFromEnergies(double W,
                                                 double Er)

Convenience function for computing momentum from kinetic energy

Parameters:

W - kinetic energy of the particle (eV)

Er - rest energy of particle (eV)

Returns:

particle momentum in eV/c where c is the speed of light