Light scalar mesons in photon–photon collisions

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The crucial points of physics of light scalar mesons are discussed. The special attention is given to the chiral shielding of lightest scalar mesons and the production of the well established light scalar mesons in the φ radiative decays. Arguments in favor of the four-quark model of the a 0 (980) and f 0 (980) mesons are given. To discuss actually the nature of the putative nonet of the light ...

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ژورنال

عنوان ژورنال: Physics-Uspekhi

سال: 2011

ISSN: 1063-7869,1468-4780

DOI: 10.3367/ufne.0181.201108b.0827