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Java > Open Source Codes > JSci > physics > particles > Lepton


1 package JSci.physics.particles;
2
3 import JSci.physics.quantum.QuantumParticle;
4
5 /**
6 * A class representing leptons.
7 * @version 1.5
8 * @author Mark Hale
9 */
10 public abstract class Lepton extends QuantumParticle {
11         /**
12         * Constructs a lepton.
13         */
14         public Lepton() {}
15         /**
16         * Returns the number of 1/2 units of spin.
17         * @return 1
18         */
19         public final int spin() {return 1;}
20         /**
21         * Returns the baryon number.
22         * @return 0
23         */
24         public final int baryonQN() {return 0;}
25         /**
26         * Returns the strangeness number.
27         * @return 0
28         */
29         public final int strangeQN() {return 0;}
30         /**
31         * Returns the number of 1/2 units of isospin.
32         * @return 0
33         */
34         public final int isospin() {return 0;}
35         /**
36         * Returns the number of 1/2 units of the z-component of isospin.
37         */
38         public final int isospinZ() {return 0;}
39 }
40
41
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