Two-photon decay of light scalars: a comparison of tetraquark and quarkonium assignments

Details Two-photon decay of light scalars: a comparison of tetraquark and quarkonium assignments Two-photon decay of light scalars: a comparison of tetraquark and quarkonium assignments

2007-12-02

arxiv.org/abs/0712.0186v4

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk given at the XII International Conference on Hadron Spectroscpy, (Hadron 07), Frascati (Rome), 8-13 October 2007

Scientific paper

Two-photon decays of light scalar mesons are discussed within the quarkonium
and tetraquark asignements: in both cases the decay rate of the sigma
resonances turns out to be smaller than 1 keV.

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