2013

Weak Interactions in Top-Quark Pair Production at Hadron Colliders: An Update

Kühn, J. H., Scharf, A., Uwer, P.

Understand

Weak corrections for top-quark pair production at hadron colliders are revisited.

Predictions for collider energies of 8 TeV, adopted to the recent LHC run, and for 13 as well as 14 TeV, presumably relevant for the next round of LHC experiments, are presented.
Kinematic regions with large momentum transfer are identified, where the corrections become large and may lead to strong distortions of differential distributions, thus mimicking anomalous top quark couplings.
As a complementary case we investigate the threshold region, corresponding to configurations with small relative velocity between top and antitop quark, which is particularly sensitive to the top-quark Yukawa coupling.

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