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2015

Top quark pair production at NNLO in the quark-antiquark channel

Abelof, Gabriel, Ridder, Aude Gehrmann-De, Majer, Imre

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We present the derivation of the NNLO two-parton final state contributions to top pair production in the quark-antiquark channel proportionnal to the leading colour factor $N_c^2$.

Together with the three and four-parton NNLO contributions presented in a previous publication, this enables us to complete the phenomenologically most important NNLO corrections to top pair hadro-production in this channel.
We derive this two-parton contribution using the massive extension of the NNLO antenna subtraction formalism and implement those corrections in a parton-level event generator providing full kinematical information on all final state particles.
In addition, we also derive the heavy quark contributions proportional to $N_h$.

Top quark pair production at NNLO in the quark-antiquark channel · Around

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