Is the a0(980) resonance a K anti-K bound state?

Details Is the a0(980) resonance a K anti-K bound state? Is the a0(980) resonance a K anti-K bound state?

2004-07-15

arxiv.org/abs/hep-ph/0407175v1

Int.J.Mod.Phys. A20 (2005) 612-614

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, 2 Postscript figures, needs ws-ijmpa.cls; talk given by L. Lesniak at the 8th International Workshop on Meson Product

Scientific paper

10.1142/S0217751X05021932

We have analysed properties of two resonances a0(980) and a0(1450) using the
pion-eta and K anti-K coupled channel model. Although the forces in the
scalar-isovector K anti-K channel are attractive the a0(980) resonance cannot
be interpreted as a kaon-antikaon bound state within our model.

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