Searching for heavy neutral leptons coupled to axion-like particles at the LHC far detectors and SHiP

Abstract In hidden-sector models, axion-like particles (ALPs) can couple to heavy neutral leptons (HNLs), leading to rich phenomenologies. We study ALPs produced from D- and B-meson decays via quark-flavor-violating couplings, and decaying exclusively into a pair of HNLs which mix with active neutri...

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Bibliographic Details
Main Authors: Zeren Simon Wang, Yu Zhang, Wei Liu
Format: Article
Language:English
Published: SpringerOpen 2025-01-01
Series:Journal of High Energy Physics
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Online Access:https://doi.org/10.1007/JHEP01(2025)070
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