Diquark model for $J/ ψ$ baryonic decays

Details Diquark model for $J/ ψ$ baryonic decays Diquark model for $J/ ψ$ baryonic decays

2003-09-15

arxiv.org/abs/hep-ph/0309164v1

Czech.J.Phys. 53 (2003) 639-644

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

10.1023/A:1025355211952

The baryonic decays of $J/ \psi$ provide a new way to study the internal structure of baryons. We apply a simple diquark model to the calculation of the decay cross-sections for the reactions $J/ \psi \longrightarrow \bar{p}p$, $\bar pN^*(1440)$, $\bar{N}^{\ast}N^{\ast}$, $\bar{\Lambda}\Lambda$ and $\bar\Sigma^0\Sigma^0$. The results are different from those given by the ordinary constituent quark model. Hence these reactions may provide a new check of two different pictures for the baryons.

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