Radiative Decays involving a0(980) and f0(980) in the Vector Meson Dominance Model

Details Radiative Decays involving a0(980) and f0(980) in the Vector Meson Dominance Model Radiative Decays involving a0(980) and f0(980) in the Vector Meson Dominance Model

2003-06-07

arxiv.org/abs/hep-ph/0306065v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

7pages, Talk given by M. Harada at International Symposium on Hadron Spectroscopy, Chiral Symmetry and Relativistic Descriptio

Scientific paper

We summarize some features of the vector meson dominance model which was recently proposed for studying radiative decays involving the scalar mesons. Using the experimental values of $\Gamma(a_0 \to \gamma\gamma)$, $\Gamma(f_0 \to \gamma\gamma)$ and $\Gamma(\phi \to a_0 \gamma)$ as inputs, we show that the model predicts a large hierarchy between $\Gamma(a_0 \to \omega \gamma)$ and $\Gamma(a_0 \to \rho \gamma)$ as well as between $\Gamma(f_0 \to \omega \gamma)$ and $\Gamma(f_0 \to \rho \gamma)$.

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