org.jscience.physics.quantum.particles
Class Tau

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.Lepton
                  extended by org.jscience.physics.quantum.particles.Tau
All Implemented Interfaces:
java.io.Serializable

public final class Tau
extends Lepton

A class representing taus.

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
Tau()
          Constructs a tau.
 
Method Summary
 Tau absorb(Photon y)
          Absorbs a photon.
 TauNeutrino absorb(WPlus w)
          Absorbs a W+.
 Tau 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.
 Tau emit(Photon y)
          Emits a photon.
 TauNeutrino emit(WMinus w)
          Emits a W-.
 Tau 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.Lepton
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

Tau

public Tau()
Constructs a tau.

Method Detail

restMass

public double restMass()
Returns the rest mass (MeV).

Specified by:
restMass in class RelativisticParticle
Returns:
1777.03

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:
0

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:
1

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 Tau emit(Photon y)
Emits a photon.


absorb

public Tau absorb(Photon y)
Absorbs a photon.


emit

public TauNeutrino emit(WMinus w)
Emits a W-.


absorb

public TauNeutrino absorb(WPlus w)
Absorbs a W+.


emit

public Tau emit(ZZero z)
Emits a Z0.


absorb

public Tau absorb(ZZero z)
Absorbs a Z0.