Resum
A prediction for the contributions of chiral loops and the L$\sigma$M model to the radiative $\phi\to\pi^0\eta\gamma$ decay mode is presented. The L$\sigma$M is used as an appropriate framework for describing the pole effects of the $a_0(980)$ scalar resonance. As a result, a better agreement with present available data is achieved for the higher part of the $\pi^0\eta$ invariant mass spectrum. For the branching ratio, a value of $B(\phi\to\pi^0\eta\gamma)=(0.75$--$0.95)\times 10^{-4}$ is found.
| Idioma original | Anglès |
|---|---|
| Nombre de pàgines | 10 |
| DOIs | |
| Estat de la publicació | Publicada - 5 de des. 2000 |
Paraules clau
- hep-ph
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