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Comments on the internal motion of massive charm quark in the process of double charmonium production in e+e- annihilations

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Preprint
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arXiv ID: hep-ph/0703143
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arXiv
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Unknown
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Abstract

The cross section value of doubly charmonium production in e+e- annihilations have been estimated at interaction energy 10.6 GeV. The quarkonium wave function shape, as well as the nonzero value of charm quark have been taken into account.

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