Abstract
Recently, first results were presented for two-loop corrections to the muon (g−2) from fermion/sfermion loops in the MSSM. These corrections were shown to be generally large and even logarithmically enhanced for heavy sfermions. Here, full details of the calculation and analytical results are presented. Also, a very compact formula is provided which can be easily implemented and serves as a good approximation of the full result as a function of the fourteen most important input parameters. Finally, a thorough discussion of the numerical behaviour of the fermion/sfermion-loop corrections to (g−2) μ is given. The discussion includes the case of very heavy SUSY masses as well as experimentally allowed scenarios with very light SUSY masses.
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Fargnoli, H., Gnendiger, C., Paßehr, S. et al. Two-loop corrections to the muon magnetic moment from fermion/sfermion loops in the MSSM: detailed results. J. High Energ. Phys. 2014, 70 (2014). https://doi.org/10.1007/JHEP02(2014)070
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DOI: https://doi.org/10.1007/JHEP02(2014)070