Radiative decays with scalar mesons a0(980) and f0(980) in Resonance Chiral Theory

Details Radiative decays with scalar mesons a0(980) and f0(980) in Resonance Chiral Theory Radiative decays with scalar mesons a0(980) and f0(980) in Resonance Chiral Theory

2009-01-26

arxiv.org/abs/0901.4045v1

Nucl.Phys.Proc.Suppl.181-182:189-193,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 3 figures; presented at International Workshop on e+e- collisions from Phi to Psi, Laboratori Nazionali di Frascati,

Scientific paper

10.1016/j.nuclphysbps.2008.09.03

The phi(1020) radiative decays form a good playground for study of the low-lying a0(980) and f0(980) scalar mesons. The complicated interplay of kaon loop mechanism, isoscalar meson mixing and momentum dependence of the effective couplings manifests itself in the invariant mass distributions in the phi(1020) -> pi0 pi0 gamma and pi eta gamma spectra. These distributions are fitted in framework of Resonance Chiral Theory.

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