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The Higgs sector of the complex MSSM at two-loop order: QCD contributions

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arxiv 0705.0746 v2 pith:RNLQHTZ3 submitted 2007-05-07 hep-ph

S. Heinemeyer , W. Hollik , H. Rzehak , G. Weiglein This is my paper · ORCID
classification hep-ph
keywords sectorcontributionstwo-loopcomplexmssmalphacorrectionsfull
verification ladder T0 review T1 audit T2 compute T3 formal
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Results are presented for the leading two-loop contributions of O(alpha_t alpha_s) to the masses and mixing effects in the Higgs sector of the MSSM with complex parameters. They are obtained in the Feynman-diagrammatic approach using on-shell renormalization. The full dependence on all complex phases is taken into account. The renormalization of the appropriate contributions of the Higgs-boson sector and the scalar top and bottom sector is discussed. Our numerical analysis for the lightest MSSM Higgs-boson mass is based on the new two-loop corrections, supplemented by the full one-loop result. The corrections induced by the phase variation in the scalar top sector are enhanced by the two-loop contributions. We find that the corresponding shift in M_h1 can amount to 5 GeV.

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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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