org.jscience.physics.quantum.particles
Class Positron

java.lang.Object
  extended by org.jscience.physics.Particle
      extended by org.jscience.physics.RelativisticParticle
          extended by org.jscience.physics.quantum.QuantumParticle
              extended by org.jscience.physics.quantum.particles.AntiLepton
                  extended by org.jscience.physics.quantum.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 org.jscience.physics.quantum.QuantumParticle
spinZ
 
Fields inherited from class org.jscience.physics.RelativisticParticle
momentum, position
 
Constructor Summary
Positron()
          Constructs a positron.
 
Method Summary
 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 org.jscience.physics.quantum.particles.AntiLepton
baryonQN, isospin, isospinZ, spin, strangeQN
 
Methods inherited from class org.jscience.physics.RelativisticParticle
equals
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, hashCode, 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
Returns:
DOCUMENT ME!

isAnti

public boolean isAnti(QuantumParticle qp)
Returns true if qp is the antiparticle.

Specified by:
isAnti in class QuantumParticle
Parameters:
qp - DOCUMENT ME!
Returns:
DOCUMENT ME!

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.