Tetraquark particle in the string model

Details Tetraquark particle in the string model Tetraquark particle in the string model

2004-11-16

arxiv.org/abs/hep-ph/0411200v2

Phys.Rev.D72:094016,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 6 figures

Scientific paper

10.1103/PhysRevD.72.094016

We discuss possibility of the existence of tetraquark states made of four quarks in the string (flux tube) model. The new particle is composed of a diquark and an anti-diquark which are connected by a color flux. It is shown that the vibrational and rotational excited states of the string explain some non-$\bar{q}q$ mesons observed experimentally. Moreover we discuss the decay widths of such tetraquarks with the use of the Schwinger mechanism.

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