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High-Precision Predictions for the MSSM Higgs Sector at O(alpha_b alpha_s)

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arxiv hep-ph/0411114 v2 pith:V7TDAUT6 submitted 2004-11-08 hep-ph

S. Heinemeyer , W. Hollik , H. Rzehak , G. Weiglein This is my paper · ORCID
classification hep-ph
keywords alphacorrectionsmssmrenormalisationsectorhiggsbosonbottom
verification ladder T0 review T1 audit T2 compute T3 formal
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We evaluate O(alpha_b alpha_s) corrections in the Higgs boson sector of the CP-conserving MSSM, generalising the known result in the literature to arbitrary values of tan beta. A detailed analysis of the renormalisation in the bottom/scalar bottom sector is performed. Concerning the lightest MSSM Higgs boson mass, we find relatively small corrections for positive mu, while for mu < 0 the genuine two-loop O(alpha_b alpha_s) corrections can amount up to 3 GeV. Different renormalisation schemes are applied and numerically compared. It is demonstrated that some care has to be taken in choosing an appropriate renormalisation prescription in order to avoid artificially large corrections. The residual dependence on the renormalisation scale is investigated, and the remaining theoretical uncertainties from unknown higher-order corrections in this sector are discussed for different regions of the MSSM parameter space.

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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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