Interacting boson model

Interacting boson model

The interacting boson model (IBM) is a model in nuclear physics in whichnucleons (protons or neutrons) pair up, essentiallyacting as a single particle with boson properties, withintegral spin of 0, 2 or 4.

The IBM-I treats both types of nucleons the same and considers only pairs of nucleons coupled tototal angular momentum 0 and 2, called respectively, s and d bosons.

The IBM-II treats protons and neutrons separately.

History

This model was invented by A.Arima and F.Iachello.

ee also

*Liquid drop model
*Shell model


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