JSci.physics.particles
Class Eta

java.lang.Object
  JSci.physics.Particle
      JSci.physics.RelativisticParticle
          JSci.physics.quantum.QuantumParticle
              JSci.physics.particles.Hadron
                  JSci.physics.particles.Meson
                      JSci.physics.particles.Eta

All Implemented Interfaces:

java.io.Serializable

public final class Eta

extends Meson

A class representing etas.

See Also:

Serialized Form

Field Summary

Fields inherited from class JSci.physics.quantum.QuantumParticle

spinZ

Fields inherited from class JSci.physics.RelativisticParticle

momentum, position

Constructor Summary

Eta()
Constructs an eta.

Method Summary

QuantumParticle	anti() Returns the antiparticle of this particle.
int	charge() Returns the electric charge.
boolean	isAnti(QuantumParticle qp) Returns true if qp is the antiparticle.
int	isospin() Returns the number of 1/2 units of isospin.
int	isospinZ() Returns the number of 1/2 units of the z-component of isospin.
QuantumParticle[]	quarks() Returns the quark composition.
double	restMass() Returns the rest mass (MeV).
int	strangeQN() Returns the strangeness number.
java.lang.String	toString() Returns a string representing this class.

Methods inherited from class JSci.physics.particles.Meson

baryonQN, spin

Methods inherited from class JSci.physics.particles.Hadron

eLeptonQN, muLeptonQN, tauLeptonQN

Methods inherited from class JSci.physics.RelativisticParticle

equals

Methods inherited from class java.lang.Object

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

Constructor Detail

Eta

public Eta()

Constructs an eta.

Method Detail

restMass

public double restMass()

Returns the rest mass (MeV).

Specified by:

restMass in class RelativisticParticle

Returns:

547.45

charge

public int charge()

Returns the electric charge.

Specified by:

charge in class QuantumParticle

Returns:

0

isospin

public int isospin()

Returns the number of 1/2 units of isospin.

Specified by:

isospin in class QuantumParticle

Returns:

0

isospinZ

public int isospinZ()

Returns the number of 1/2 units of the z-component of isospin.

Specified by:

isospinZ in class QuantumParticle

Returns:

0

strangeQN

public int strangeQN()

Returns the strangeness number.

Specified by:

strangeQN in class QuantumParticle

Returns:

0

quarks

public QuantumParticle[] quarks()

Returns the quark composition.

anti

public QuantumParticle anti()

Returns the antiparticle of this particle.

Specified by:

anti in class QuantumParticle

isAnti

public boolean isAnti(QuantumParticle qp)

Returns true if qp is the antiparticle.

Specified by:

isAnti in class QuantumParticle

toString

public java.lang.String toString()

Returns a string representing this class.