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Higgs alignment from extended supersymmetry

Abstract : We consider the effective type-II two-Higgs doublet model originating from Dirac gaugino models with extended supersymmetry in the gauge sector, which is automatically aligned in the simplest realisations. We show that raising the scale at which the extended supersymmetry is manifest and including quantum corrections actually improves the alignment. Using an effective field theory approach including new threshold corrections and two-loop RGEs, plus two-loop corrections to the Higgs mass in the low-energy theory, we study the implications from the Higgs mass and other experimental constraints on the scale of superpartners. We contrast the results of the minimal Dirac gaugino model, where alignment is automatic, with the hMSSM and the MRSSM, where it is not, also providing an hMSSM-inspired analysis for the new models.
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Submitted on : Wednesday, February 21, 2018 - 11:55:18 AM
Last modification on : Tuesday, January 4, 2022 - 3:56:06 AM

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Karim Benakli, Mark D. Goodsell, Sophie L. Williamson. Higgs alignment from extended supersymmetry. Eur.Phys.J.C, 2018, 78 (8), pp.658. ⟨10.1140/epjc/s10052-018-6125-1⟩. ⟨hal-01714132⟩



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