Phenomenological studies of top-pair production at NLO
Phenomenological studies of top-pair production at NLO Phenomenological studies of top-pair production at NLO
Top Pair Production TeVatron LO & NLO scale dependence σ LO = 34.922 +40% −26% fb σ NLO = 35.727 −4% −8% fb K = 1.023 LHC σ LO = 550.538 +37% −25% fb σ NLO = 808.665 +4% −9% fb K = 1.47 Bevilacqua, Czakon, van Hameren, Papadopoulos, Worek ’11 12
Top Pair Production TeVatron Differential cross section Fixed scale m t Not rescale LO shapes Distortions 15% - 80% For angular distributions corrections 5% - 10% Bevilacqua, Czakon, van Hameren, Papadopoulos, Worek ’11 13
- 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: Top Pair Production Complete off-s
- 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 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
Top Pair Production<br />
TeV<strong>at</strong>ron<br />
Differential cross section<br />
Fixed scale m t<br />
Not rescale LO shapes<br />
Distortions 15% - 80%<br />
For angular distributions<br />
corrections 5% - 10%<br />
Bevilacqua, Czakon, van Hameren, Papadopoulos, Worek ’11<br />
13
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