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Higgs boson decay to charmonia via c-quark fragmentation

  • Regular Article - Theoretical Physics
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  • Published: 04 August 2022
  • Volume 2022, article number 73, (2022)
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Journal of High Energy Physics Aims and scope Submit manuscript
Higgs boson decay to charmonia via c-quark fragmentation
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  • Tao Han1,
  • Adam K. Leibovich  ORCID: orcid.org/0000-0001-9115-81771,
  • Yang Ma  ORCID: orcid.org/0000-0002-9419-65981 &
  • …
  • Xiao-Ze Tan1,2 

  • 303 Accesses

  • 4 Citations

  • 4 Altmetric

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A preprint version of the article is available at arXiv.

Abstract

We calculate the decay branching fractions of the Higgs boson to J/ψ and ηc via the charm-quark fragmentation mechanism for the color-singlet and color-octet states in the framework of non-relativistic QCD. The decay rates are governed by the charm-quark Yukawa coupling, unlike the decay H → J/ψ + γ, which is dominated by the γ∗-J/ψ mixing. We find that the decay branching fractions can be about 2×10−5 for \( H\to c\overline{c}+J/\psi \), and 6 × 10−5 for \( H\to c\overline{c}+{\eta}_c \). We comment on the perspective of searching for the Higgs boson to J/ψ transition at the High-Luminosity LHC for testing the charm-quark Yukawa coupling.

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Authors and Affiliations

  1. Pittsburgh Particle Physics, Astrophysics and Cosmology Center, Department of Physics and Astronomy, University of Pittsburgh, 3941 O’Hara St, Pittsburgh, PA, 15260, USA

    Tao Han, Adam K. Leibovich, Yang Ma & Xiao-Ze Tan

  2. School of Physics, Harbin Institute of Technology, 92 Xidazhi St, Harbin, 150001, People’s Republic of China

    Xiao-Ze Tan

Authors
  1. Tao Han
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  2. Adam K. Leibovich
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  3. Yang Ma
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  4. Xiao-Ze Tan
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Correspondence to Yang Ma.

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ArXiv ePrint: 2202.08273

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Cite this article

Han, T., Leibovich, A.K., Ma, Y. et al. Higgs boson decay to charmonia via c-quark fragmentation. J. High Energ. Phys. 2022, 73 (2022). https://doi.org/10.1007/JHEP08(2022)073

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  • Received: 28 February 2022

  • Revised: 31 May 2022

  • Accepted: 30 June 2022

  • Published: 04 August 2022

  • DOI: https://doi.org/10.1007/JHEP08(2022)073

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Keywords

  • Higgs Properties
  • Quarkonium
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