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Two-loop QCD corrections to gluon-gluon scattering

Glover, E.W.N.; Oleari, C.; Tejeda-Yeomans, M.E.

Authors

E.W.N. Glover

C. Oleari

M.E. Tejeda-Yeomans



Abstract

We present the virtual QCD corrections to gluon–gluon scattering due to the interference of tree- and two-loop amplitudes. We work in conventional dimensional regularisation and give analytic expressions renormalised in the scheme. The structure of the infrared divergences agrees with that predicted by Catani while formulae for the finite remainder are given in terms of logarithms and polylogarithms that are real in the physical region. These results, together with those previously obtained for quark–quark and quark–gluon scattering, complete the two-loop matrix elements needed for the next-to-next-to-leading order contribution to inclusive jet production at hadron colliders.

Citation

Glover, E., Oleari, C., & Tejeda-Yeomans, M. (2001). Two-loop QCD corrections to gluon-gluon scattering. Nuclear Physics B, 605(1-3), 467-485. https://doi.org/10.1016/s0550-3213%2801%2900210-3

Journal Article Type Article
Publication Date Jul 2, 2001
Deposit Date May 6, 2008
Publicly Available Date May 6, 2008
Journal Nuclear Physics B
Print ISSN 0550-3213
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 605
Issue 1-3
Pages 467-485
DOI https://doi.org/10.1016/s0550-3213%2801%2900210-3
Keywords QDC, Jets, LEP HERA and SLC physics, NLO and NNLO computations.

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