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arxiv: 1703.08166 · v1 · submitted 2017-03-23 · ✦ hep-ph

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Improved determination of the Higgs mass in the MSSM with heavy superpartners

Emanuele Bagnaschi , Javier Pardo Vega , Pietro Slavich
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classification ✦ hep-ph
keywords higgsmasscouplingdeterminationeffectiveheavyimprovedmssm
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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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