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Two-loop QCD corrections to massless identical quark scattering.

Anastasiou, C. and Glover, E. W. N. and Oleari, C. and Tejeda-Yeomans, M. E. (2001) 'Two-loop QCD corrections to massless identical quark scattering.', Nuclear physics B., 601 (1-2). pp. 341-360.


We present the two-loop virtual QCD corrections to the scattering of identical massless quarks, q ¯ q → q ¯q, in conventional dimensional regularisation and using the MS scheme. The structure of the infrared divergences agrees with that predicted by Catani while expressions for the finite remainder are given for the q ¯ q →q ¯ q and the qq →qq ( ¯q ¯q → ¯q ¯q) 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.

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 10:39

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