JSci.physics.particles.AntiKZero Maven / Gradle / Ivy
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JSci is a set of open source Java packages. The aim is to encapsulate scientific methods/principles in the most natural way possible. As such they should greatly aid the development of scientific based software.
It offers: abstract math interfaces, linear algebra (support for various matrix and vector types), statistics (including probability distributions), wavelets, newtonian mechanics, chart/graph components (AWT and Swing), MathML DOM implementation, ...
Note: some packages, like javax.comm, for the astro and instruments package aren't listed as dependencies (not available).
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package JSci.physics.particles;
import JSci.physics.quantum.QuantumParticle;
/**
* A class representing anti K0.
* @version 1.5
* @author Mark Hale
*/
public final class AntiKZero extends AntiKaon {
/**
* Constructs an anti K0.
*/
public AntiKZero() {}
/**
* Returns the rest mass (MeV).
* @return 497.672
*/
public double restMass() {return 497.672;}
/**
* Returns the electric charge.
* @return 0
*/
public int charge() {return 0;}
/**
* Returns the number of 1/2 units of the z-component of isospin.
* @return 1
*/
public int isospinZ() {return 1;}
/**
* Returns the quark composition.
*/
public QuantumParticle[] quarks() {
QuantumParticle comp[]={new AntiDown(),new Strange()};
return comp;
}
/**
* Returns the antiparticle of this particle.
*/
public QuantumParticle anti() {
return new KZero();
}
/**
* Returns true if qp is the antiparticle.
*/
public boolean isAnti(QuantumParticle qp) {
return (qp!=null) && (qp instanceof KZero);
}
/**
* Returns a string representing this class.
*/
public String toString() {
return new String("AntiK0");
}
}