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Momentum-dependent two-loop QCD corrections to the neutral Higgs-boson masses in the MSSM

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arxiv 1404.7074 v2 pith:IUHP3ROA submitted 2014-04-28 hep-ph

S. Borowka , T. Hahn , S. Heinemeyer , G. Heinrich , W. Hollik This is my paper · ORCID
classification hep-ph
keywords two-loopcorrectionsmssmalphacodedependentdrbarfeynhiggs
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Results are presented for the momentum dependent two-loop contributions of O(alpha_t alpha_s) to the masses and mixing effects in the Higgs sector of the MSSM. They are obtained in the Feynman-diagrammatic approach using a mixed on-shell/DRbar renormalization that can directly be matched onto the higher-order corrections included in the code FeynHiggs. The new two-loop diagrams are evaluated with the program SecDec. The combination of the new momentum dependent two-loop contribution with the existing one- and two-loop corrections in the on-shell/DRbar scheme leads to an improved prediction of the light MSSM Higgs boson mass and a correspondingly reduced theoretical uncertainty. We find that the corresponding shifts in the lightest Higgs-boson mass M_h are below 1 GeV in all scenarios considered, but can extend up to the level of the current experimental uncertainty. The results are included in the code FeynHiggs.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Higgs-Boson Masses and Mixings in the MSSM with CP Violation and Heavy SUSY Particles

    hep-ph 2019-09 conditional novelty 6.0 of 10

    In the MSSM with heavy SUSY particles and complex phases, the lightest Higgs mass can vary by up to about 20 GeV with the phase of the trilinear couplings, while its CP-odd admixture drops below 0.5% once the charged ...

  2. Full two-loop QCD corrections to the Higgs mass in the MSSM with heavy superpartners

    hep-ph 2019-08 accept novelty 6.0 of 10

    The two-loop QCD threshold corrections that mix strong and electroweak couplings in the MSSM Higgs-mass EFT calculation are computed for the first time, completing the two-loop QCD matching at the SUSY scale.

  3. Comparison of the EFT Hybrid and Three-Loop Fixed-Order Calculations of the Lightest MSSM Higgs Boson Mass

    hep-ph 2019-08 conditional novelty 5.0 of 10

    The FeynHiggs NNLL hybrid and the authors' three-loop fixed-order predictions of the MSSM light Higgs mass agree below 10 TeV, and the measured Higgs mass rules out SUSY scales above 12.5 TeV in the heavy-SUSY, no-mix...

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