Probing lepton number violation at same-sign lepton colliders

de Lima, Carlos Henrique; McKeen, David; Ng, John N.; Shamma, Michael; Tuckler, Douglas

doi:10.1103/PhysRevD.111.075002

Title: Probing lepton number violation at same-sign lepton colliders

Journal Article · 03 April 2025 · Physical Review. D.

DOI: https://doi.org/10.1103/PhysRevD.111.075002 · OSTI ID:2549443

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Same-sign lepton colliders offer a promising environment to probe lepton number violation. We study processes that change lepton number by two units in the context of Majorana heavy neutral leptons and neutrinophilic scalars at $μ TRISTAN$ , a proposed same-sign muon collider. Our work shows that such colliders, with modest energy and luminosity requirements, can either reveal direct evidence of lepton number violation or significantly constrain unexplored regions of parameter space, especially in the case of a neutrinophilic scalar. Published by the American Physical Society 2025

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Sponsoring Organization:: USDOE

Grant/Contract Number:: SC0008541

OSTI ID:: 2549443

Journal Information:: Physical Review. D., Journal Name: Physical Review. D. Journal Issue: 7 Vol. 111; ISSN PRVDAQ; ISSN 2470-0010

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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