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MSSM Higgs Self-Couplings: Two-Loop O(alpha_t alpha_s) Corrections

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arxiv 1309.3140 v2 pith:BZH6BR5X submitted 2013-09-12 hep-ph hep-ex

Mathias Brucherseifer , Ryan Gavin , Michael Spira This is my paper · ORCID
classification hep-phhep-ex
keywords alphacorrectionshiggsscaleself-couplingstwo-loopanalyzeapproach
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We analyze the minimal supersymmetric Higgs self-couplings at O(alpha_t alpha_s) within the effective potential approach. The two-loop corrections turn out to be of moderate size in the DRbar scheme if the central scale is chosen as half the SUSY scale. The inclusion of the two-loop corrections reduces the renormalization scale dependence to the per-cent level. These results have a significant impact on measurements of the trilinear Higgs self-couplings at the LHC and a future e^+e^- collider.

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Cited by 1 Pith paper

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  1. Loop-corrected Trilinear Higgs Self-Couplings in the NMSSM with Inverse Seesaw Mechanism

    hep-ph 2025-06 conditional novelty 5.0 of 10

    Loop corrections from inverse-seesaw neutrinos and sneutrinos can change the SM-like Higgs self-coupling by up to 10.5% and the SM-like Higgs mass by up to 4.5% in the NMSSM with inverse seesaw.

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