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NLO QCD corrections to B_c-pair production in photon-photon collision
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NLO QCD corrections to B_c-pair production in photon-photon collision
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The $B_c$ meson pair, including pairs of both pseudoscalar states and vector states, productions in high energy photon-photon interaction are investigated at the next-to-leading order (NLO) accuracy in the nonrelativistic quantum chromodynamics (NRQCD) factorization formalism. The corresponding cross sections at the future $e^+e^-$ colliders with $\sqrt{s}=250$ GeV and $500$ GeV are evaluated. Numerical result indicates that the inclusion of the NLO corrections shall greatly suppress the scale dependence and enhance the prediction reliability. In addition to the phenomenological meaning, the NLO QCD calculation of this process subjects to certain technical issues, which are elucidated in details and might be applicable to other relevant investigations.
Forward citations
Cited by 1 Pith paper
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Resolved photoproduction of the $B_c$ meson in electron-proton collisions
Direct gamma-gluon fusion dominates B_c photoproduction in ep collisions, with resolved gluon-gluon contributing O(10%) at low p_T across HERA to EIC energies.
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