Meson spectrum and tetraquarks through an AdS/QCD inspired potential

Details Meson spectrum and tetraquarks through an AdS/QCD inspired potential Meson spectrum and tetraquarks through an AdS/QCD inspired potential

2008-11-21

arxiv.org/abs/0811.3553v1

PoS Confinement8:135,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX, 5 pages, 1 figure, 3 tables. Talk given at the 8th Conference Quark Confinement and the Hadron Spectrum, Mainz, Germany

Scientific paper

AdS/QCD correspondence allows to compute the quark-antiquark potential in the static limit. We use this piece of information together with the Salpeter equation (Schroedinger equation with relativistic kinematics) and a short range hyperfine splitting potential to describe the bound states of quark-antiquark. Comparison with experiment permits to fit the parameters of the model, namely the quark masses and the quark potential parameters. A discussion of heavy tetraquark masses, prompted by the hypothesis of a diquark-antidiquark structure for the puzzling state X(3872), is also presented.

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