Weak radiative hyperon decays in quark model

Details Weak radiative hyperon decays in quark model Weak radiative hyperon decays in quark model

2007-01-18

arxiv.org/abs/hep-ph/0701141v1

AIPConf.Proc.964:71-76,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 5 tables, 5 figures

Scientific paper

10.1063/1.2823883

Weak radiative hyperon decays are considered in the framework of a quark
model. The phenomenological model includes 1-quark transitions with the
effective $sd\gamma$-vertex and 2-quark ones with the W-exchange $s+u\to
u+d+\gamma$ and turns out to describe well the data and gives predictions for
asymmetry of the decays $\Lambda\to n+\gamma$ and $\Xi^-\to \Sigma^- +\gamma$.

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