Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-07-02
Nucl.Phys.Proc.Suppl.126:204-209,2004
Physics
High Energy Physics
High Energy Physics - Phenomenology
5 pages, 3 figures, LaTeX, uses espcrc2.sty. Talk presented at the International Conference on the Structure and Interactions
Scientific paper
10.1016/S0920-5632(03)02331-4
The scalar meson exchange in $\phi\to P^0 P^0\gamma$ decays is discussed in a chiral invariant framework where the scalar meson poles are incorporated explicitly. $\phi\to\pi^0\pi^0\gamma$ and $\phi\to\pi^0\eta\gamma$ are in agreement with recent experimental data and can be used to extract valuable information on the properties of $f_{0}(980)$ and $a_{0}(980)$ respectively. $\phi\to K^0\bar K^0\gamma$ is shown not to pose a background problem for testing CP violation at Da$\Phi$ne. The ratio $\phi\to f_{0}\gamma/a_{0}\gamma$ is also predicted.
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