arXiv:hep-ph/9902301·v2·High Energy Physics — Phenomenology
Flavour-symmetry correction to the ``naive'' Zweig rule for the scalar-meson flavour-singlet
Eef van Beveren (University of Coimbra, Portugal) · George Rupp (Instituto Superior Tecnico, Lisboa, Portugal)
Abstract
We present flavour-symmetric couplings for the OZI-allowed three-meson vertices of effective meson theories, which for the case of the two-meson channels to which the flavour-singlet scalar meson couples, are endowed with a correction factor with respect to the standard formula.
Comments: 11 pages, plain LaTeX, minor changes, more references