Hadronic Molecules and the f0(980)/a0(980)

Details Hadronic Molecules and the f0(980)/a0(980) Hadronic Molecules and the f0(980)/a0(980)

2008-05-12

arxiv.org/abs/0805.1647v2

AIPConf.Proc.1030:118-122,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk given at the workshop SCADRON 70 on 'Scalar Mesons and Related Topics', 11-16 February 2008, Lisbon. 5 pages, 3 figures

Scientific paper

10.1063/1.2973484

We discuss a possible interpretation of the f0(980) and a0(980) mesons as hadronic molecules - bound states of K and Kbar mesons. Using a phenomenological Lagrangian approach we calculate the strong f0(980) to pi pi and a0(980) to pi eta as well as the electromagnetic f0(980) to gamma gamma and a0(980) to gamma gamma decays. The covariant and gauge invariant model, which also allows for finite size effects of the hadronic molecule, delivers results in good agreement with available data and results of other theoretical approaches.

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