On nature of scalar a_0(980) and f_0(980)-mesons

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Abstract

It is presented a critical consideration of all unusual properties of the scalar a_0(980) and f_0(980)-mesons in the four-quark, two-quark and molecular models. The arguments are adduced that the four-quark model is more preferable. It is discussed the complex of experiments that could finally resolve this issue.

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Publication date Created: 1999-10-29

Article

DOI: 10.1016/S0375-9474(00)00266-9

ArXiV ID: hep-ph/9910540

SO-VID: 64206573-35ad-4191-a4df-b45becba26e0

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Journal reference Nucl.Phys. A675 (2000) 279c-284c

Comments 6 pages, LaTeX 2e, uses espcrc1.sty, Plenary Talk given at 8th International Conference on HADRON Spectroscopy (HADRON 99), Beijing, China, 24-28 August 1999

Categories hep-ph hep-ex

ScienceOpen disciplines: High energy & Particle physics

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ScienceOpen disciplines: High energy & Particle physics

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