Abstract
We compute the two-loop \( \mathcal{O}\left({\alpha}_t{\alpha}_s\right) \) corrections to the Higgs boson masses in supersymmetric extensions of the Standard Model with Dirac gaugino masses. We rely on the effective-potential technique, allow for both Dirac and Majorana mass terms for the gluinos, and compute the corrections in both the \( \overline{\mathrm{DR}} \) and on-shell renormalisation schemes. We give detailed results for the MDGSSM and the MRSSM, and simple approximate formulae valid in the decoupling limit for all currently-studied variants of supersymmetric models with Dirac gluinos. These results represent the first explicit two-loop calculation of Higgs boson masses in supersymmetric models beyond the MSSM and the NMSSM.
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Braathen, J., Goodsell, M.D. & Slavich, P. Leading two-loop corrections to the Higgs boson masses in SUSY models with Dirac gauginos. J. High Energ. Phys. 2016, 45 (2016). https://doi.org/10.1007/JHEP09(2016)045
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DOI: https://doi.org/10.1007/JHEP09(2016)045