Abstract
The current experimental values of anomalous magnetic moments of muon and
electron deviate from the Standard Model predictions by few standard
deviations, which might be a hint of new physics. The sizes and signs of these
deviations are different and opposite between the electron and muon, which
makes it difficult to explain both of these anomalies in a consistent model
without introducing large flavour-violating effects. It is shown that they can
be simultaneously explained in the Minimal Supersymmetric Standard Model (MSSM)
by arranging the sizes of bino-slepton and chargino-sneutrino contributions
differently between the electron and muon sectors. The MSSM spectrum features
very light selectrons and wino-like chargino, while they can evade LHC
constraints due to degenerate spectra.
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