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The origin of the 95 GeV excess in the flavor-dependent U(1)X model

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arxiv 2405.07243 v1 pith:4TDC4LBZ submitted 2024-05-12 hep-ph

Zhao-feng Ge , Feng-Yan Niu , Jin-Lei Yang This is my paper · ORCID
classification hep-ph
keywords higgsmodelaroundexcessesflavor-dependentbosonexplaingamma
verification ladder T0 review T1 audit T2 compute T3 formal
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This study investigates the excesses observed in the CMS diphoton and ditau data around 95 GeV within the framework of the flavor-dependent U(1)X model. The model introduces a singlet scalar to explain the nonzero neutrino masses. This newly introduced Higgs interacts directly with the quark sector, motivated by the aim to explain the flavor numbers of the fermion sector. Additionally, it undergoes mixing with the SM-like Higgs boson. The study suggests that designating this singlet Higgs state in this model as the lightest Higgs boson holds great potential for explaining the excesses around 95 GeV. In the calculations, we maintained the masses of the lightest and next-to-lightest Higgs bosons at around 95 GeV and 125 GeV respectively. It was found that the theoretical predictions on the signal strengthes {\mu}(h95)_{\gamma}{\gamma}, {\mu}(h95)_{\tau}{\tau} in the flavor-dependent U(1)X model can be fitted well to the excesses observed at CMS.

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Cited by 2 Pith papers

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

  1. Light Scalars in the Extended Georgi-Machacek Model

    hep-ph 2025-06 conditional novelty 6.0 of 10

    A global fit of the Georgi-Machacek and extended Georgi-Machacek models finds that the 95 GeV diphoton and bottom-quark excesses are compatible with the 125 GeV Higgs data, while the ditau excess is not, and it sets u...

  2. Interpretation of 95 GeV Excess within the Georgi-Machacek Model in Light of Positive Definiteness Constraints

    hep-ph 2025-02 conditional novelty 5.0 of 10

    The Georgi-Machacek model keeps viable parameter space for the 95 GeV diphoton and bbbar excesses under positive definiteness constraints, which the paper finds expand the allowed region relative to tree-level bounded...

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