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


1 package JSci.physics.particles;
2
3 import JSci.physics.quantum.QuantumParticle;
4
5 /**
6 * A class representing xis.
7 * @version 1.5
8 * @author Mark Hale
9 */
10 public abstract class Xi extends Hyperon {
11         /**
12         * Constructs a xi.
13         */
14         public Xi() {}
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 number of 1/2 units of isospin.
22         * @return 1
23         */
24         public final int isospin() {return 1;}
25         /**
26         * Returns the strangeness number.
27         * @return -2
28         */
29         public final int strangeQN() {return -2;}
30 }
31
32
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