2017•arXiv (Cornell University)Open access

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

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

Abstract

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

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