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25 September 2022
 
  » arxiv » hep-ph/0104005

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Quark/gluon content of eta(1295) and eta(1440)
A. V. Anisovich ;
Date 1 Apr 2001
Subject hep-ph
AbstractThe quark/gluon content of eta(1295) and eta(1440) mesons is discussed, mesons being considered as members of the first radial excitation 2^1S_0 qqbar nonet. Recent results on eta(1295) and eta(1440) two-photon widths from L3 together with the information on radiative J/Psi decay allow one to evaluate the eta(1295)/eta(1440) mixing angle and the admixture of the glueball component. We found that eta(1440) is dominantly non-strange qqbar state, with a possible admixture of the glueball component (20 pm 20)%.
Source arXiv, hep-ph/0104005
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