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25 September 2022
  » arxiv » hep-ph/0108186

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Radiative decays of basic scalar, vector and tensor mesons and the determination of the P-wave qar q multiplet
A. V. Anisovich ; V. V. Anisovich ; V. A. Nikonov ;
Date 23 Aug 2001
Journal Eur.Phys.J. A12 (2001) 103-115
Subject hep-ph
AbstractWe perform simultaneous calculations of the radiative decays of scalar mesons f_0(980)-> gammagamma, a_0(980)-> gammagamma, vector meson phi(1020)-> gamma f_0(980), gamma a_0(980), gamma pi^0, gamma eta, gamma eta’ and tensor mesons a_2(1320)-> gammagamma, f_2(1270)-> gammagamma, f_2(1525)-> gammagamma assuming all these states to be dominantly the qar q ones. A good description of the considered radiative decays is reached by using almost the same radial wave functions for scalar and tensor mesons that supports the idea for the f_0(980), a_0(980) and a_2(1320), f_2(1270), f_2(1525) to belong to the same P -wave qar q multiplet.
Source arXiv, hep-ph/0108186
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