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Pinning down the large-x gluon with NNLO top-quark pair differential distributions
Michał Czakon, Nathan P. Hartland, Alexander Mitov +2
Top-quark pair production at the LHC is directly sensitive to the gluon PDF at large x. While total cross-section data is already included in several PDF determinations, differenti…
Bump-hunting in LHC ttbar events
Michal Czakon, David Heymes, Alexander Mitov
We demonstrate that a purposefully normalised NNLO top pair invariant mass differential spectrum can have very small theoretical uncertainty and, in particular, a small sensitivity…
Dynamical scales for multi-TeV top-pair production at the LHC
Michal Czakon, David Heymes, Alexander Mitov
We calculate all major differential distributions with stable top-quarks at the LHC. The calculation covers the multi-TeV range that will be explored during LHC Run II and beyond.…
Two loop correction to interference in
John M. Campbell, R. Keith Ellis, Michal Czakon +1
We present results for the production of a pair of on-shell Z bosons via gluon fusion. This process occurs both through the production and decay of the Higgs boson, and through con…
NNLO QCD predictions for fully-differential top-quark pair production at the Tevatron
Michal Czakon, Paul Fiedler, David Heymes +1
We present a comprehensive study of differential distributions for Tevatron top-pair events at the level of stable top quarks. All calculations are performed in NNLO QCD with the h…