On double $1^{--}$ charmonium production through two-photon $\e^+ e^-$ annihilation at $\sqrt{s}=10.6 GeV$

Details On double $1^{--}$ charmonium production through two-photon $\e^+ e^-$ annihilation at $\sqrt{s}=10.6 GeV$ On double $1^{--}$ charmonium production through two-photon $\e^+ e^-$ annihilation at $\sqrt{s}=10.6 GeV$

2003-01-22

arxiv.org/abs/hep-ph/0301190v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures; minor changes

Scientific paper

Recent measurements of the Belle Collaboration of the exclusive production of two charmonia in the $e^+e^-$ annihilation differ substantially from theoretical predictions. Recently it was suggested that a significant part of this discrepancy can be explained by the process $e^2e^- --> 2J/psi$ and value for its cross-section was published. In this paper it is shown, that these results are incorrect and the values for the cross-sections of the production of different vector charmonia are presented.

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