Heavy-quark pair production in polarized photon-photon collisions at next-to-leading order: Fully integrated total cross sections

Abstract

We consider the production of heavy-quark pairs in the collisions of polarized and unpolarized on-shell photons and present, in analytic form, the fully integrated total cross sections for total photon spins $J_z=0,\pm 2$ at next-to-leading-order in QCD. Phenomenological applications include $b\bar{b}$ production, which represents an irreducible background to standard-model intermediate-mass Higgs-boson production, as well as $t\bar{t}$ production.

Revtex, 8 pages, 1 MATHEMATICA file, trivial typo for F_{16} in Eq. (4.6) corrected, one reference added, matches the published version

References in corpus (2)

• Strong-Coupling Constant with Flavor Thresholds at Five Loops in the MS-bar Scheme
• Two-Loop Formfactors in Theories with Mass Gap and Z-Boson Production

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• NNLO QCD corrections to $\gamma \gamma \to Q\bar{Q}$ from Local Unitarity combined with Coulomb resummation and NLO EW effects