Semileptonic decays, magnetic moments and spin distributions of spin-1/2 baryons with sea contribution

Details Semileptonic decays, magnetic moments and spin distributions of spin-1/2 baryons with sea contribution Semileptonic decays, magnetic moments and spin distributions of spin-1/2 baryons with sea contribution

1998-03-12

arxiv.org/abs/hep-ph/9803317v1

Int.J.Mod.Phys. A13 (1998) 4195-4212

Physics

High Energy Physics

High Energy Physics - Phenomenology

To be published in Int. J. of Mod. Phys. A

Scientific paper

10.1142/S0217751X98001992

Spin-1/2 baryons are considered as a composite system made out of a "core" of three quarks surrounded by a "sea" (of gluons and $q\bar{q}$-pairs) which is specified by its total quantum numbers. Specifically, we assume this sea to be a flavor octet with spin-0 or 1 but no color. We show our model can provide very goods fits to magnetic moments and semileptonic decay data using experimental errors. The predictions for spin distributions are in reasonable agreement with experiment.

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