Scalar $a_0(980)$ meson in $φ\to π^{0}ηγ$ decay

Details Scalar $a_0(980)$ meson in $φ\to π^{0}ηγ$ decay Scalar $a_0(980)$ meson in $φ\to π^{0}ηγ$ decay

2002-05-02

arxiv.org/abs/hep-ph/0205016v2

J.Phys.G28:2783-2793,2002; Erratum-ibid.G28:3021,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, RevTeX, 6 PS figures. A rounding-off error in printing the horizontal axes of figures resulting from the computer pr

Scientific paper

10.1088/0954-3899/28/11/304

We study the radiative decay $\phi\to\pi^{0}\eta\gamma$ within the framework of a phenomenological approach in which the contributions of $\rho$-meson, chiral loop and $a_0$-meson are considered. We analyze the interference effects between different contributions and utilizing the experimental branching ratio and invariant $\pi^0\eta$ mass spectrum for $\phi\to\pi^{0}\eta\gamma$ decay we estimate the branching ratio of $\phi\to a_0\gamma$ decay.

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