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Two-loop QCD corrections to the MSSM Higgs masses beyond the effective-potential approximation

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arxiv 1410.3432 v2 pith:Z3MF7FRQ submitted 2014-10-13 hep-ph

G. Degrassi , S. Di Vita , P. Slavich This is my paper · ORCID
classification hep-ph
keywords correctionsalphaschemetwo-loopcouplingmassesmixedmssm
verification ladder T0 review T1 audit T2 compute T3 formal
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We compute the two-loop QCD corrections to the neutral Higgs-boson masses in the MSSM, including the effect of non-vanishing external momenta in the self-energies. We obtain corrections of O(alpha_t*alpha_s) and O(alpha*alpha_s), i.e., all two-loop corrections that involve the strong gauge coupling when the only non-vanishing Yukawa coupling is the top one. We adopt either the DRbar renormalization scheme or a mixed OS-DRbar scheme where the top/stop parameters are renormalized on-shell. We compare our results with those of earlier calculations, pointing out an inconsistency in a recent result obtained in the mixed OS-DRbar scheme. The numerical impact of the new corrections on the prediction for the lightest-scalar mass is moderate, but already comparable to the accuracy of the Higgs-mass measurement at the LHC.

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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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