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On double 1⁻⁻ charmonium production through two-photon e^+ e^- annihilation at sqrt{s}=10.6 GeV
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On double 1⁻⁻ charmonium production through two-photon e^+ e^- annihilation at sqrt{s}=10.6 GeV
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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.
Forward citations
Cited by 1 Pith paper
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Exclusive production of P-wave charmonia through two virtual photons in electron-positron annihilation
BSE-CIA calculations give LO cross sections of order 10^{-3} fb for e+e- → χ_c1+η_c and h_c+h_c at 10.6 GeV, with a wave-function-driven hierarchy and power-law falloff.
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