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Isoscalar resonances with J^{PC}=1^{--} in e^+e^-annihilation

High Energy Physics - Phenomenology 2008-11-26 v2 High Energy Physics - Experiment Nuclear Theory
Authors: N. N. Achasov , A. A. Kozhevnikov
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Abstract

The analysis of the vector isoscalar excitations in the energy range between 1 and 2 GeV of the e+e−e^+e^- annihilation is presented for the final states π+π−π0\pi^+\pi^-\pi^0, ωπ+π−\omega\pi^+\pi^-, K+K−K^+K^-, KS0K±π∓K^0_SK^\pm\pi^\mp and K∗0K−π++c.cK^{\ast0}K^-\pi^++ c.c. The effects of both the resonance mixing and the successive opening of multiparticle channels, with the energy dependent partial widths, are taken into account. The work extends our previous analysis hep-ph/9609216 of the vector isovector excitations and is aimed to compare the existing data with the predictions of the qqˉq\bar q model. It is shown that this hypothesis does not contradict the data.

Keywords

electron-positron annihilation cross sections nuclear excited states

Cite

@article{arxiv.hep-ph/9703397,
  title  = {Isoscalar resonances with J^{PC}=1^{--} in e^+e^-annihilation},
  author = {N. N. Achasov and A. A. Kozhevnikov},
  journal= {arXiv preprint arXiv:hep-ph/9703397},
  year   = {2008}
}

Comments

16 pages, revtex, 6 ps figures. Clarifying remarks, a table, and references are added. Accepted in Phys. Rev. D

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