The omega to rho pi transition and omega to rho 3 pi decay

Details The omega to rho pi transition and omega to rho 3 pi decay The omega to rho pi transition and omega to rho 3 pi decay

1999-02-15

arxiv.org/abs/hep-ph/9902349v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, LaTeX, 3 eps figures, uses epsf.sty

Scientific paper

We evaluate the omega to rho pi transition and the omega to 3 pi decay using a Quark Level Linear Sigma Model ($QL\sigma M$). We obtain $g^{QL\sigma M}_{\omega\rho\pi}= (10.33 - 14.75) GeV^{-1}$ to be compared with other model dependent estimates averaging to $g_{\omega\rho\pi} = 16 GeV^{-1}$. We show that in the $QL\sigma M$ a contact term is generated for the $\omega \to 3 \pi$ decay. Although the contact contribution by itself is small, the interference effects turn out to be important.

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