Two-photon partial widths of tensor mesons
作者： A. V. Anisovich , M. A. Matveev , V. A. Nikonov , V. V. Anisovich
DOI: 10.1134/1.1577914
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摘要: Partial widths of the γγ decay tensor q\(\bar q\) states a2(1320), f2(1270), and f2(1525) their radial excitations a2(1660), f2(1640), f2(1800), as well 3F2q\(\bar states, are calculated. Calculations performed in framework same approach that was used before for study radiative decays f0(980) → γγ, a0(980) φ(1020) γf0(980): assumption made is structure [A.V. Anisovich et al., Phys.Lett. B 456, 80 (1999); Yad. Fiz. 65, 523 (2002)].The description partial f0(980), reached with approximately equal wave functions, thus giving a strong argument favor fact these scalar mesons to be classified members P-wave multiplet.
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