JSci.physics.particles.AntiXiZero Maven / Gradle / Ivy
package JSci.physics.particles;
import JSci.physics.quantum.QuantumParticle;
/**
* A class representing anti xi0.
* @version 1.5
* @author Mark Hale
*/
public final class AntiXiZero extends AntiXi {
/**
* Constructs an anti xi0.
*/
public AntiXiZero() {}
/**
* Returns the rest mass (MeV).
* @return 1314.83
*/
public double restMass() {return 1314.83;}
/**
* Returns the number of 1/2 units of the z-component of isospin.
* @return -1
*/
public int isospinZ() {return -1;}
/**
* Returns the electric charge.
* @return 0
*/
public int charge() {return 0;}
/**
* Returns the quark composition.
*/
public QuantumParticle[] quarks() {
QuantumParticle comp[]={new AntiUp(),new AntiStrange(),new AntiStrange()};
return comp;
}
/**
* Returns the antiparticle of this particle.
*/
public QuantumParticle anti() {
return new XiZero();
}
/**
* Returns true if qp is the antiparticle.
*/
public boolean isAnti(QuantumParticle qp) {
return (qp!=null) && (qp instanceof XiZero);
}
/**
* Returns a string representing this class.
*/
public String toString() {
return new String("Antixi0");
}
}