Phenomenological studies of top-pair production at NLO

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Top Pair + 2 Jets LHC σ LO = 13.398 +87% −43% pb σ NLO =9.82 −15% −15% pb 87% 15% K = 0.73 -27% Total cross sections with different jets separation cuts R jj and the jet resolution parameters R K = 0.86 -14% Bevilacqua, Czakon, Papadopoulos, Worek ’10 ‘11 22
LHC Top Pair + 2 Jets m tt 20% 30% corrections p T up to 60% distortions H T even 80% deformations Corrections are substantial and do not simply rescale LO shapes Bevilacqua, Czakon, Papadopoulos, Worek ‘10 ’11 23
Page 1 and 2: Phenomenological studies of top-pai
Page 3 and 4: HELAC-NLO Group G. Bevilacqua (RWTH
Page 5 and 6: Motivation for NLO Stabilizing the
Page 7 and 8: Structure of NLO Calculations σ N
Page 9 and 10: One-loop amplitude and rational par
Page 11 and 12: Top Pair Production Complete off-s
Page 13 and 14: Top Pair Production TeVatron Diffe
Page 15 and 16: TeVatron Top Pair Production A t FB
Page 17 and 18: Top Pair + 2 Jets Partonic subproc
Page 19 and 20: TeVatron Top Pair + 2 Jets Correct
Page 21: Top Pair + 2 Jets A t FB,LO = −0.
Page 25: Summary & Outlook Already calculat

Phenomenological studies of top-pair production at NLO

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