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Higgs boson decays h→Zγ and h→mVZ in the U(1)XVLFM.

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Title: Higgs boson decays h→Zγ and h→mVZ in the U(1)XVLFM.
Authors: Sun, Rong-Zhi1,2,3 (AUTHOR), Zhao, Shu-Min1,2,3 (AUTHOR) zhaosm@hbu.edu.cn, Liu, Yue-Tong1,2,3 (AUTHOR), Dong, Xing-Xing1,2,3,4 (AUTHOR) dongxx@hbu.edu.cn
Source: European Physical Journal C -- Particles & Fields. Jun2026, Vol. 86 Issue 6, p1-19. 19p.
Subjects: Particle decays, Vector mesons, Yukawa interactions, Gauge symmetries, Radiative corrections, Particle physics, Fermions
Abstract: We study the Higgs boson decays h → Z γ and h → m V Z in a model with vectorlike fermions and U (1) X symmetry ( U (1) X VLFM), where m V is a vector meson ( ρ , ω , ϕ , J / ψ , Υ ). The exotic Yukawa interactions in this model generate mixing between Standard Model (SM) fermions and vectorlike fermions, and this mixing affects the Higgs boson mass and Higgs couplings. The corrections to the CP-even and CP-odd h γ Z couplings come from loop diagrams that involve the new particles, and these corrections have a clear impact on the decay rates of h → Z γ and h → m V Z . In suitable regions of the parameter space, the model can produce non-negligible deviations in Γ NP (h → Z γ) / Γ SM (h → Z γ) and Γ NP (h → m V Z) / Γ SM (h → m V Z) , providing possible signals of new physics (NP) beyond the SM. [ABSTRACT FROM AUTHOR]
Copyright of European Physical Journal C -- Particles & Fields is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Higgs boson decays h→Zγ and h→mVZ in the U(1)XVLFM.
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  Data: <searchLink fieldCode="AR" term="%22Sun%2C+Rong-Zhi%22">Sun, Rong-Zhi</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhao%2C+Shu-Min%22">Zhao, Shu-Min</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<i> zhaosm@hbu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Liu%2C+Yue-Tong%22">Liu, Yue-Tong</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dong%2C+Xing-Xing%22">Dong, Xing-Xing</searchLink><relatesTo>1,2,3,4</relatesTo> (AUTHOR)<i> dongxx@hbu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22European+Physical+Journal+C+--+Particles+%26+Fields%22">European Physical Journal C -- Particles & Fields</searchLink>. Jun2026, Vol. 86 Issue 6, p1-19. 19p.
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  Data: <searchLink fieldCode="DE" term="%22Particle+decays%22">Particle decays</searchLink><br /><searchLink fieldCode="DE" term="%22Vector+mesons%22">Vector mesons</searchLink><br /><searchLink fieldCode="DE" term="%22Yukawa+interactions%22">Yukawa interactions</searchLink><br /><searchLink fieldCode="DE" term="%22Gauge+symmetries%22">Gauge symmetries</searchLink><br /><searchLink fieldCode="DE" term="%22Radiative+corrections%22">Radiative corrections</searchLink><br /><searchLink fieldCode="DE" term="%22Particle+physics%22">Particle physics</searchLink><br /><searchLink fieldCode="DE" term="%22Fermions%22">Fermions</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: We study the Higgs boson decays h → Z γ and h → m V Z in a model with vectorlike fermions and U (1) X symmetry ( U (1) X VLFM), where m V is a vector meson ( ρ , ω , ϕ , J / ψ , Υ ). The exotic Yukawa interactions in this model generate mixing between Standard Model (SM) fermions and vectorlike fermions, and this mixing affects the Higgs boson mass and Higgs couplings. The corrections to the CP-even and CP-odd h γ Z couplings come from loop diagrams that involve the new particles, and these corrections have a clear impact on the decay rates of h → Z γ and h → m V Z . In suitable regions of the parameter space, the model can produce non-negligible deviations in Γ NP (h → Z γ) / Γ SM (h → Z γ) and Γ NP (h → m V Z) / Γ SM (h → m V Z) , providing possible signals of new physics (NP) beyond the SM. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of European Physical Journal C -- Particles & Fields is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1140/epjc/s10052-026-15817-7
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      – Code: eng
        Text: English
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      – SubjectFull: Particle decays
        Type: general
      – SubjectFull: Vector mesons
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      – SubjectFull: Yukawa interactions
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      – SubjectFull: Gauge symmetries
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      – SubjectFull: Radiative corrections
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      – SubjectFull: Particle physics
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      – SubjectFull: Fermions
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      – TitleFull: Higgs boson decays h→Zγ and h→mVZ in the U(1)XVLFM.
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            NameFull: Sun, Rong-Zhi
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            NameFull: Zhao, Shu-Min
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            NameFull: Liu, Yue-Tong
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              Text: Jun2026
              Type: published
              Y: 2026
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