Reconciling the Light Scalar Mesons with Breit-Wigner Resonances as well as the Quark Model

Details Reconciling the Light Scalar Mesons with Breit-Wigner Resonances as well as the Quark Model Reconciling the Light Scalar Mesons with Breit-Wigner Resonances as well as the Quark Model

2003-04-10

arxiv.org/abs/hep-ph/0304105v1

Int.J.Theor.Phys.GroupTheor.Nonlin.Opt.11:179-206,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX, 30 pages + 2 figures

Scientific paper

Resonances appearing in hadronic scattering processes are described by a two-phase model. In the one phase, scattering products are observed, whereas the other phase describes confinement. A so-called ``Resonance-Spectrum Expansion'' is derived, containing expressions that resemble Breit-Wigner formulae. This method also provides a straightforward explanation for the origin of the light scalar mesons without requiring extra degrees of freedom.

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