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Searches for FCNC and lepton flavour violating interactions of the top quark with the ATLAS detector

2024/01/16 by P. Bartos, Bartos, Pavol
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #High Energy Physics - Phenomenology (hep-ph) #High-Energy Particle Collisions Research #Particle Detector Development and Performance #Particle physics theoretical and experimental studies

paper · pdf · doi:10.48550/arxiv.2401.08182

openalex publication_date 2024/01/16 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The LHC is a top quark factory and provides a unique opportunity to look for flavour changing neutral current or charged-lepton flavour violating interactions of the top quark. These processes are highly suppressed in the Standard Model and are beyond the experimental sensitivity, but can receive enhanced contributions in many extensions of the Standard Model. Results of searches for flavour changing neutral current tqH vertex and charged-lepton flavour violating μτtq vertex are presented. The searches find good agreement with the Standard Model expectation and derived exclusion bounds are improved very significantly.

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