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      Higgs alignment from extended supersymmetry

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          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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          Next-to-Next-to-Leading Order Higgs Production at Hadron Colliders

          The Higgs boson production cross section at pp and p\bar{p} colliders is calculated in QCD at next-to-next-to-leading order (NNLO). We find that the perturbative expansion of the production cross section is well behaved and that scale dependence is reduced relative to the NLO result. These findings give us confidence in the reliability of the prediction. We also report an error in the NNLO correction to Drell-Yan production.
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            SARAH   4: A tool for (not only SUSY) model builders

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              Dirac Gaugino Masses and Supersoft Supersymmetry Breaking

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                Author and article information

                Contributors
                kbenakli@lpthe.jussieu.fr
                goodsell@lpthe.jussieu.fr
                swilliamson@lpthe.jussieu.fr
                Journal
                Eur Phys J C Part Fields
                Eur Phys J C Part Fields
                The European Physical Journal. C, Particles and Fields
                Springer Berlin Heidelberg (Berlin/Heidelberg )
                1434-6044
                1434-6052
                17 August 2018
                17 August 2018
                2018
                : 78
                : 8
                : 658
                Affiliations
                ISNI 0000 0001 2308 1657, GRID grid.462844.8, Laboratoire de Physique Théorique et Hautes Energies (LPTHE), , UMR 7589, Sorbonne Université et CNRS, ; 4 Place Jussieu, 75252 Paris Cedex 05, France
                Article
                6125
                10.1140/epjc/s10052-018-6125-1
                6113699
                c331d9e2-234a-4f13-b3e9-e87cc9e3ab43
                © The Author(s) 2018

                Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License ( http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

                Funded by SCOAP 3

                History
                : 28 March 2018
                : 1 August 2018
                Funding
                Funded by: ERC
                Award ID: ERC-2012-ADG20120216-321133
                Funded by: Agence Nationale de Recherche
                Award ID: ANR-10-LABX-63
                Award ID: ANR-11-IDEX-0004-02
                Funded by: Agence Nationale de Recherche
                Award ID: ANR-15-CE31-0002
                Categories
                Regular Article - Theoretical Physics
                Custom metadata
                © The Author(s) 2018

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