package jsci.physics.particles;

import jsci.physics.quantum.QuantumParticle;

/**
* A class representing sigmas.
* @version 1.5
* @author Mark Hale
*/
public abstract class Sigma extends Hyperon {
        /**
        * Constructs a sigma.
        */
        public Sigma() {}
        /**
        * Returns the number of 1/2 units of spin.
        * @return 1
        */
        public final int spin() {return 1;}
        /**
        * Returns the number of 1/2 units of isospin.
        * @return 2
        */
        public final int isospin() {return 2;}
        /**
        * Returns the strangeness number.
        * @return -1
        */
        public final int strangeQN() {return -1;}
}