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Precision measurements of the Higgs mass have become a powerful constraint onmodels of physics beyond the standard model. We revisit supersymmetric modelswith Dirac gauginos and study the contributions to the Higgs mass. We calculatethe leading two-loop corrections to the SM-like Higgs mass by constructing aseries of EFTs and iteratively integrating out heavy particles. We then applythese calculations to a variety of scenarios, including a simple Dirac gluino,and split Dirac models of supersymmetry. We present the detailed formulae forthreshold corrections and compare with previous results, where available. Ingeneral, the contributions are small, but the additional precision allows us tomake more concrete statements about the relevant scales in Dirac SUSY models.

Leading Two-loop corrections to the mass of Higgs boson in the High scale Dirac gaugino supersymmetry