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arXiv · 1702.06894

Masses of the lowest spin-0 and spin-1 meson nonets: explicit symmetry breaking effects

Jorge Morais·Brigitte Hiller·Alexander A. Osipov
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Abstract

We extend a known multi-quark three-flavor Lagrangian of the Nambu-Jona-Lasinio type, which includes a set of effective interactions proportional to the current quark masses, to include the multi-quark interactions of vector and axial-vector types. It is shown that the mass spectrum of the four low-lying meson nonets are in agreement with current phenomenological expectations. The role of the new interactions is analyzed in detail.

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Jorge Morais, Brigitte Hiller, Alexander A. Osipov. 2017-02-22. Masses of the lowest spin-0 and spin-1 meson nonets: explicit symmetry breaking effects. https://doi.org/10.1103/physrevd.95.074033

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