From the current literature

On the nature of the a0(980) and f0(980) scalar mesons

S.L. Sobolev Institute for Mathematics, Siberian Branch of the Russian Academy of Sciences, prosp. akad. Koptyuga 4, Novosibirsk, 630090, Russian Federation

The unusual properties of the a0(980) and f0(980) scalar mesons are discussed in terms of the four-quark, two-quark, and molecular models. Arguments in favor of the four-quark model are given. Further studies needed to resolve the problem are discussed.

Text can be downloaded in Russian. English translation is available on IOP Science.
PACS: 12.39.−x, 12.39.Mk, 14.40.Cs (all)
DOI: 10.1070/PU1998v041n11ABEH000507
Citation: Achasov N N "On the nature of the a0(980) and f0(980) scalar mesons" Phys. Usp. 41 1149–1153 (1998)
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:    «  a0(980)-  f0(980)-» 168 1257–1261 (1998); DOI: 10.3367/UFNr.0168.199811g.1257

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