Light vector meson octet-decuplet baryon vertices in QCD
T. M. Aliev (a), A. Ozpineci (a), M. Savci (a), V. S. Zamiralov (b), (a- Physics Department, Middle East Technical University-Ankara-Turkey) (b-, Institute of Nuclear Physics, M. V. Lomonosov MSU, Moscow, Russia)
TL;DR
This paper calculates the strong coupling constants between light vector mesons and octet-decuplet baryons using light cone QCD sum rules, incorporating SU(3) flavor symmetry breaking effects, and finds they can be described by a universal function.
Contribution
It introduces a method to express all these coupling constants through a single universal function, accounting for SU(3) symmetry breaking.
Findings
Strong coupling constants are expressed via a universal function.
SU(3) symmetry breaking effects are quantitatively estimated.
The approach simplifies understanding of meson-baryon interactions.
Abstract
The strong coupling constants between light vector mesons and octet-decuplet baryons are calculated in framework of the light cone QCD sum rules, taking into account SU(3) flavor symmetry breaking effects. It is shown that all strong coupling constants can be represented in terms of a single universal function. Size of the SU(3) symmetry breaking effects are estimated.
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