PoS - Proceedings of Science
Volume 340 - The 39th International Conference on High Energy Physics (ICHEP2018) - Parallel: Quark and Lepton Flavor Physics
Lepton flavor violation induced by a neutral scalar at future lepton colliders
R. Mohapatra, P.S.B. Dev and Y. Zhang*
Full text: pdf
Published on: August 02, 2019
Many new physics scenarios beyond the Standard Model often necessitate the existence of a neutral scalar H, which might couple to the charged leptons in a flavor violating way, while evading all existing constraints. Such scalars could be effectively produced at future lepton colliders like CEPC, ILC and FCC-ee, either on-shell or off-shell, and induce lepton flavor violating (LFV) signals. We find that a large parameter space of the scalar mass and the LFV couplings can be probed, well beyond the current low-energy constraints in the lepton sector. In particular, a scalar-loop induced explanation of the longstanding muon $g-2$ anomaly can be directly tested in the on-shell mode.
DOI: https://doi.org/10.22323/1.340.0645
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