jsci.physics.particles

Class Positron

java.lang.Object

jsci.physics.Particle

jsci.physics.RelativisticParticle

jsci.physics.quantum.QuantumParticle

jsci.physics.particles.AntiLepton

jsci.physics.particles.Positron

All Implemented Interfaces:

java.io.Serializable

public final class Positron
extends AntiLepton

A class representing positrons.

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

Constructors

Constructor and Description
Positron() Constructs a positron.

Method Summary

Modifier and Type	Method and Description
Positron	absorb(Photon y) Absorbs a photon.
AntiElectronNeutrino	absorb(WMinus w) Absorbs a W-.
Positron	absorb(ZZero z) Absorbs a Z0.
QuantumParticle	anti() Returns the antiparticle of this particle.
int	charge() Returns the electric charge.
int	eLeptonQN() Returns the electron lepton number.
Positron	emit(Photon y) Emits a photon.
AntiElectronNeutrino	emit(WPlus w) Emits a W+.
Positron	emit(ZZero z) Emits a Z0.
boolean	isAnti(QuantumParticle qp) Returns true if qp is the antiparticle.
int	muLeptonQN() Returns the muon lepton number.
double	restMass() Returns the rest mass (MeV).
int	tauLeptonQN() Returns the tau lepton number.
java.lang.String	toString() Returns a string representing this class.

Methods inherited from class jsci.physics.particles.AntiLepton

baryonQN, isospin, isospinZ, spin, strangeQN

Methods inherited from class jsci.physics.RelativisticParticle

equals, hashCode

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Positron

public Positron()

Constructs a positron.

Method Detail

restMass

public double restMass()

Returns the rest mass (MeV).

Specified by:

restMass in class RelativisticParticle

Returns:

0.510998902

charge

public int charge()

Returns the electric charge.

Specified by:

charge in class QuantumParticle

Returns:

1

eLeptonQN

public int eLeptonQN()

Returns the electron lepton number.

Specified by:

eLeptonQN in class QuantumParticle

Returns:

-1

muLeptonQN

public int muLeptonQN()

Returns the muon lepton number.

Specified by:

muLeptonQN in class QuantumParticle

Returns:

0

tauLeptonQN

public int tauLeptonQN()

Returns the tau lepton number.

Specified by:

tauLeptonQN in class QuantumParticle

Returns:

0

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.

Overrides:

toString in class java.lang.Object

emit

public Positron emit(Photon y)

Emits a photon.

absorb

public Positron absorb(Photon y)

Absorbs a photon.

emit

public AntiElectronNeutrino emit(WPlus w)

Emits a W+.

absorb

public AntiElectronNeutrino absorb(WMinus w)

Absorbs a W-.

emit

public Positron emit(ZZero z)

Emits a Z0.

absorb

public Positron absorb(ZZero z)

Absorbs a Z0.