Snowmass White Paper: prospects for the measurement of top-quark couplings
Gauthier Durieux, Abel Guti\'errez Camacho, Luca Mantani, V\'ictor, Miralles, Marcos Miralles L\'opez, Mar\'ia Moreno Ll\'acer, Ren\'e Poncelet,, Eleni Vryonidou, Marcel Vos
TL;DR
This white paper discusses future collider prospects for measuring top-quark couplings, focusing on projections for the High Luminosity LHC and a future electron-positron collider, including bounds on SMEFT operators.
Contribution
It provides the first comprehensive projections for top-quark coupling measurements at future colliders within the SMEFT framework.
Findings
Projected bounds on Wilson coefficients at HL-LHC and future colliders
Global fit results for top physics sector constraints
Comparison of collider sensitivities to top-quark couplings
Abstract
In this contribution to the 2021 Snowmass community planning exercise that informs the American strategy for particle physics, we present the prospects for measurements of the top-quark couplings at future colliders. Projections are presented for the high luminosity phase of the Large Hadron Collider and a future Higgs/electroweak/top factory electron-positron collider. Results are presented for the expected bounds on Wilson coefficients of the relevant SMEFT operators from a global fit to the top physics sector.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Particle Detector Development and Performance · High-Energy Particle Collisions Research