Probing QCD Axions or axion-like particles in three-body K decays

Probing QCD Axions or axion-like particles in three-body K decays

Abstract Two-body decays like K → πa rank among the most constraining collider probes for new, low-mass, feebly interacting pseudoscalar particles a. We explore an alternative class of kaon decay modes, specifically three-body decays to ππa or μμa. The former occur at tree level, while the latter is...

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Bibliographic Details
Main Authors: Maël Cavan-Piton, Diego Guadagnoli, Axel Iohner, Diego Martínez Santos, Ludovico Vittorio
Format: Article
Language:English
Published: SpringerOpen 2025-06-01
Series:Journal of High Energy Physics
Subjects:
Axions and ALPs
Chiral Lagrangian
Kaons
Online Access:https://doi.org/10.1007/JHEP06(2025)039
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