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Global constraints on top quark anomalous couplings

2017/11/13 by F. Déliot, Frédéric Déliot, Ricardo Faria +10 · 1 citation
Engineering · Physics and Astronomy · #Asymmetry #Black Holes and Theoretical Physics #Boson #Computer science #Engineering #Hadron #Helicity #Large Hadron Collider #Nuclear physics #Particle physics #Particle physics theoretical and experimental studies #Physics #Physics beyond the Standard Model #Quantum Chromodynamics and Particle Interactions #Quark #Sensitivity (control systems) #Standard Model (mathematical formulation) #Tevatron #Top quark #Vertex (graph theory) #hep-ph

paper · pdf · doi:10.1103/physrevd.97.013007

published as Phys. Rev. D 97, 013007 (2018) · 5 pages, 2 figures

arxiv created 2017/11/13 · openalex publication_date 2018/01/29 · arxiv updated 2018/02/07 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

The latest results on top quark physics, namely single top quark production cross sections, W-boson helicity and asymmetry measurements are used to probe the Lorentz structure of the Wtb vertex. The increase of sensitivity to new anomalous physics contributions to the top quark sector of the standard model is quantified by combining the relevant results from Tevatron and the Large Hadron Collider. The results show that combining an increasing set of available precision measurements in the search for new physics phenomena beyond the standard model leads to significant sensitivity improvements, especially when compared with the current expectation for the High Luminosity run at the LHC.

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