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Updated: Feb 22, 2026

Setting Limits on Supersymmetry Using Simplified Models
Published on: November 15, 2013
Improved determination of the Higgs mass in the MSSM with heavy superpartners
Emanuele Bagnaschi1, Javier Pardo Vega2,3, Pietro Slavich4,5
1Deutsches Elektronen-Synchrotron (DESY), 22607 Hamburg, Germany.
Abstract:
We present several advances in the effective field theory calculation of the Higgs mass in MSSM scenarios with heavy superparticles. In particular, we compute the dominant two-loop threshold corrections to the quartic Higgs coupling for generic values of the relevant SUSY-breaking parameters, including all contributions controlled by the strong gauge coupling and by the third-family Yukawa couplings. We also study the effects of a representative subset of dimension-six operators in the effective theory valid below the SUSY scale. Our results will allow for an improved determination of the Higgs mass and of the associated theoretical uncertainty.
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