Abstract
Abstract Lepton flavor violation (LFV) represents a clear new physics (NP) signal beyond the Standard Model (SM). In this paper, we study LFV decay Z → l i ± l j ∓ with l i − representing the lepton and l i + representing the antilepton in the B-L Supersymmetric Standard Model (B-LSSM). We calculate these processes separately in the mass eigenstate basis and the electroweak interaction basis, and for the latter adopt the mass insertion approximation (MIA) method. The effect of the LFV decays Z → l i ± l j ∓ changing with parameters can be shown clearly at the analytic level by the MIA, which provides a new way for us to analyze the LFV processes. At the same time, the corresponding constraints from the LFV decays l j − → l i − γ and (g − 2) μ are considered to analyze the numerical results.
Published Version
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