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Two-loop QCD corrections to massless identical quark scattering

C. Anastasiou·E. W. N. Glover·C. Oleari·M. E. Tejeda-Yeomans
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Abstract

We present the two-loop virtual QCD corrections to the scattering of massless identical quarks, q qbar to q qbar, in conventional dimensional regularisation and using the MSbar scheme. The structure of the infrared divergences agrees with that predicted by Catani while expressions for the finite remainder are given for the q qbar to qbar q and the q q to q q (qbar qbar to qbar qbar) scattering processes in terms of polylogarithms. The results presented here form a vital part of the next-to-next-to-leading order contribution to inclusive jet production in hadron colliders and will play a crucial role in improving the theoretical prediction for jet cross sections in hadron-hadron collisions.

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C. Anastasiou, E. W. N. Glover, C. Oleari, M. E. Tejeda-Yeomans. 2001-04-10. Two-loop QCD corrections to massless identical quark scattering. https://doi.org/10.1016/s0550-3213(01)00080-3

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