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Lepton-flavor violation in the minimal R-symmetric SSM with a seesaw mechanism

Hao-yi Liu1,3,4,*, Jin-Lei Yang1,3,4,†, Ke-Sheng Sun6,‡, and Tai-Fu Feng1,2,3,4,5,§

  • *Contact author: 3338183428@qq.com
  • †Contact author: jlyang@hbu.edu.cn
  • ‡Contact author: sunkesheng@126.com; sunkesheng@bdu.edu.cn
  • §Contact author: fengtf@hbu.edu.cn
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Phys. Rev. D 113, 015042 – Published 29 January, 2026

DOI: https://doi.org/10.1103/5z43-8hs1

Abstract

The minimal R-symmetric supersymmetric Standard Model with a seesaw mechanism extends the minimal R-symmetric supersymmetric Standard Model by incorporating right-handed neutrinos to generate neutrino masses via the type-I seesaw mechanism. This work presents a detailed analysis of lepton-flavor-violating (LFV) processes, including ℓi→ℓjγ, ℓi→3ℓj, and Higgs decays h→ℓiℓj. Based on the current experimental limitations, we carry out detailed parameter scanning and numerical calculations to analyze the effects of different sensitive parameters on LFV. The numerical results show that the nondiagonal elements involving the initial and final leptons are the main sensitive parameters and LFV sources.

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Phys. Rev. D 113, 015042– Published 29 January, 2026
  • Received 21 June 2025
  • Accepted 24 December 2025
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

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