Photonic production of Bc-mesons
A. V. Berezhnoy, A. K. Likhoded, M. V. Shevlyagin
Abstract
The cross section of the γγ→ Bc(Bc*) b c process is calculated. It is shown that near threshold the pseudoscalar state production is much suppressed with respect to the vector one. At large energies their ratio becaims σ(Bc*)/sigma(Bc) 4. The process of heavy quark recombination dominates in the production of Bc(Bc*) states. The fragmentation process b Bc comes to play at high pt values only, while its contribution will remain nondominant.
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