Breaking Flavour Symmetry Spontaneously

Details Breaking Flavour Symmetry Spontaneously Breaking Flavour Symmetry Spontaneously

1996-10-22

arxiv.org/abs/hep-ph/9610440v2

Phys.Lett. B406 (1997) 70-75

Physics

High Energy Physics

High Energy Physics - Phenomenology

Major revisions in text, 12 pages, RevTeX, 5 Figures

Scientific paper

10.1016/S0370-2693(97)00681-3

A new mechanism for spontaneous breaking of flavour symmetry is demonstrated. An exactly flavour symmetric model with degenerate bare nonets and with sufficiently strong tri-linear meson couplings is shown to lead to self-consistency equations which are unstable. Instead there exists a stable solution, which break flavour symmetry spontaneously in the mass spectrum. For a C-degenerate meson spectrum the stable mass spectrum obeys the Okubo-Zweig-Iizuka (OZI) rule and the approximate equal spacing rule.

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