The Quark Structure of Light Mesons

Details The Quark Structure of Light Mesons The Quark Structure of Light Mesons

1996-09-10

arxiv.org/abs/hep-ph/9609308v1

Acta Phys.Polon.B27:3307-3320,1996

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 9 figures

Scientific paper

We present the results of a covariant constituent quark model, based on the Bethe-Salpeter equation, where confinement is implemented by a string like linear potential explaining the Regge trajectories. An instanton induced quark force explains not only the splitting and mixing of pseudoscalar mesons, but suggest that such effects are also present in the scalar spectrum and in a violation of the OZI rule in the decays of scalar particles into pseudoscalars. We demonstrate that a covariant treatment that takes into account the relativistic components in the amplitudes is of utmost importance when describing properties of deeply bound states and/or processes at higher momentum transfer.

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