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24 January 2022
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Radiative decays of mesons in the quark model: relativistic and non-relativistic approaches
A.V. Anisovich ; V.V. Anisovich ; V.A. Nikonov ;
Date 20 May 2003
Subject hep-ph
AbstractDifferent conclusions about quark nature of f0(980) based on the analysis of data on the reaction phi(1020) -> gamma f0(980) make it necessary to perform detailed comparison of formulae used by various groups for the calculation of partial widths of radiative decays. We carry out a comparative analysis of methods of calculation of radiative decays like phi -> gamma f0 and phi -> gamma eta performed by F.E.Close et al., Phys. Rev. D 65, 092003 (2002), and A.V.Anisovich et al., Eur. Phys. J. A 12, 103 (2001); Yad. Fiz. 65, 523 (2002).
Source arXiv, hep-ph/0305216
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