Anomalies in global SMEFT analyses. A case study of first-row CKM unitarity

Anomalies in global SMEFT analyses. A case study of first-row CKM unitarity

Abstract Recent developments in the Standard Model analysis of semileptonic charged-current processes involving light quarks have revealed ~ 3σ tensions in Cabibbo universality tests involving meson, neutron, and nuclear beta decays. In this paper, we explore beyond the Standard Model explanations o...

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Bibliographic Details
Main Authors: Vincenzo Cirigliano, Wouter Dekens, Jordy de Vries, Emanuele Mereghetti, Tom Tong
Format: Article
Language:English
Published: SpringerOpen 2024-03-01
Series:Journal of High Energy Physics
Subjects:
SMEFT
CKM Parameters
Electroweak Precision Physics
Online Access:https://doi.org/10.1007/JHEP03(2024)033

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