Photonic production of P-wave states of B_c mesons

A. V. Berezhnoy, V. V. Kiselev, A. K. Likhoded

Numerical calculations for the production of $P$-wave levels of $B_c$ quarkonium in $\gamma \gamma$ collisions are performed in the leading $O({\alpha }_s^2{\alpha }_{em}^2)$ order of perturbation theory. Th…