The Interacting boson model reference article from the English Wikipedia on 24-Jul-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Interacting boson model

The Interacting Boson Model (IBM) is a model in nuclear physics in which nucleons (protons or neutrons) pair up, essentially acting as a single particle with boson properties, with integral spin of 0, 2 or 4.

The IBM-I treats both types of nucleons the same.

The IBM-II treats protons and neutrons separately.

See also

• Liquid drop model
• Shell model

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