2018•Unpublished venueOpen access

Electroweak and non-resonant corrections to top-pair production near threshold at NNLO

Thomas Rauh, Martin Beneke, Andreas Maier, Pedro Ruiz-Femenía

Abstract

The top-quark mass can be determined with very high precision from a scan of the total $e^+e^-\to b\bar{b}W^+W^-X$ cross section near the top-pair production threshold. We present the full calculation of electroweak and non-resonant corrections to this process at NNLO. We discuss the size of the new contributions and estimate the theory uncertainty on the top-quark mass in the PS mass scheme.

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Key concepts: Electroweak interaction, Physics, Particle physics, Top quark, Pair production, Bar (unit), Production (economics), Cross section (physics)