Masses of light tetraquarks and scalar mesons in the relativistic quark model

Details Masses of light tetraquarks and scalar mesons in the relativistic quark model Masses of light tetraquarks and scalar mesons in the relativistic quark model

2008-12-11

arxiv.org/abs/0812.2116v2

Eur.Phys.J.C60:273-278,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, Report-no added

Scientific paper

10.1140/epjc/s10052-009-0925-2

Masses of the ground state light tetraquarks are dynamically calculated in the framework of the relativistic diquark-antidiquark picture. The internal structure of the diquark is taken into account by calculating the form factor of the diquark-gluon interaction in terms of the overlap integral of the diquark wave functions. It is found that scalar mesons with masses below 1 GeV: f_0(600) (\sigma), K^*_0(800) (\kappa), f_0(980) and a_0(980) agree well with the light tetraquark interpretation.

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