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

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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Submitted on : Monday, May 22, 2017 - 5:40:43 PM
Last modification on : Tuesday, November 16, 2021 - 5:22:20 AM
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Emanuele Bagnaschi, Javier Pardo Vega, Pietro Slavich. Improved determination of the Higgs mass in the MSSM with heavy superpartners. European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2017, 77 (5), pp.334. ⟨10.1140/epjc/s10052-017-4885-7⟩. ⟨hal-01526214⟩



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