Decay widths of resonances and pion scattering lengths in a globally invariant linear sigma model with vector mesons

Details Decay widths of resonances and pion scattering lengths in a globally invariant linear sigma model with vector mesons Decay widths of resonances and pion scattering lengths in a globally invariant linear sigma model with vector mesons

2008-12-11

arxiv.org/abs/0812.2183v1

PoS Confinement8:070,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk at the 8th Conference on Quark Confinement and the Hadron Spectrum, Mainz (Germany), 1-6 September 2008; 6 pages

Scientific paper

We calculate low-energy meson decay processes and pion-pion scattering
lengths in a two-flavour linear sigma model with global chiral symmetry,
exploring the scenario in which the scalar mesons $f_0$(600) and $a_0$(980) are
assumed to be $\bar q q$ states.

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