Phenomenological studies of top-pair production at NLO

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Top Pair + 2 Jets TeVatron σ LO =0.3584 +94% −45% pb σ NLO =0.2709 +0.5% −21% pb 94% 21% K = 0.76 -24% 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 18
TeVatron Top Pair + 2 Jets Corrections to p T and m tt are substantial Do not simply rescale the LO shapes Induce distortions 40% For H T even 50% 60% deformations Bevilacqua, Czakon, Papadopoulos, Worek ’10 ‘11 19
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: Top Pair + 2 Jets Partonic subproc
Page 21 and 22: Top Pair + 2 Jets A t FB,LO = −0.
Page 23 and 24: LHC Top Pair + 2 Jets m tt 20% 30%
Page 25: Summary & Outlook Already calculat

Phenomenological studies of top-pair production at NLO

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