Department
Physics
Document Type
Article
Publication Date
5-1-2014
Abstract
I present a calculation of next-to-next-to-next-to-leading-order (NNNLO) soft-gluon corrections for top-antitop pair production in hadronic collisions. Approximate NNNLO (aNNNLO) results are obtained by adding the NNNLO soft-gluon corrections to the complete next-to-next-to-leading-order (NNLO) cross section. Theoretical predictions are shown for the total aNNNLO tt¯cross section at LHC and Tevatron energies. The aNNNLO cross sections are larger but have smaller theoretical uncertainties than at NNLO.
Journal Title
Physical Review D
Journal ISSN
1550-2368
Volume
90
Issue
1
Digital Object Identifier (DOI)
10.1103/PhysRevD.90.014006