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Two-loop QCD corrections to massless quark-gluon scattering.

Anastasiou, C. and Glover, E. W. N. and Oleari, C. and Tejeda-Yeomans, M. E. (2001) 'Two-loop QCD corrections to massless quark-gluon scattering.', Nuclear physics B., 605 (1-3). pp. 486-516.


We present the virtual QCD corrections to the scattering process of massless quark due to the interference of tree and two-loop amplitudes and to the self-interference of one-loop amplitudes. We work in conventional dimensional regularisation and our results are renormalised in the scheme. The structure of the infrared divergences agrees with that predicted by Catani while expressions for the finite remainder are given for the and the qg→qg () scattering processes in terms of logarithms and polylogarithms that are real in the physical region. These results, together with those previously obtained for quark–quark scattering, are important ingredients in the next-to-next-to-leading order contribution to inclusive jet production at hadron colliders.

Item Type:Article
Keywords:QCD, Jets, LEP HERA and SLC physics, NLO and NNLO computations.
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Record Created:06 May 2008
Last Modified:29 Sep 2016 10:40

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