B → X s l + l - in the μ from ν Supersymmetric Standard Model

Abstract We investigate the rare inclusive decay B → X s l + l - within the framework of the μ from ν Supersymmetric Standard Model (μνSSM), focusing on the origin and phenomenological implications of new-physics effects induced by the extended fermion and scalar sectors of the model. We systematically analyze the parameter dependence of the relevant Wilson coefficients and identify the dominant particle sectors responsible for these corrections. Under the experimental constraints from bar{B} → X s γ, B s 0 → μ + μ - , and the SM-like Higgs boson mass around 125 GeV, we explore the resulting modifications to the branching ratios and forward-backward asymmetries in both low- and high-q 2 regions. Furthermore, through a systematic decomposition of the interference contributions governing the forward-backward asymmetry, we demonstrate that the C 7 C 10 and C 9 C 10 interference terms dominate its phenomenological behavior in both kinematic regions. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Article funded by SCOAP3 and published under licence by Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Science and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd.