$NJ/\psi$ and $N\eta_c$ interactions from lattice QCD Article Swipe
Y. Lyu
,
Toshihiko Sugiura
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.22323/1.466.0103
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.22323/1.466.0103
The interaction between nucleon and charmonia ($J/\psi$ and $\eta_c$) is expected to deepen our understanding of various aspects in nonperturbative QCD ranging from the origin of nucleon mass to $J/\psi$ mass modification in nuclear medium and properties of hidden-charm pentaquark states. Here, we present the low-energy $NJ/\psi$ and $N\eta_c$ interactions based on ($2+1$) flavor lattice QCD simulations with nearly physical pion mass $m_\pi=146$ MeV. The interactions, extracted from the spacetime correlations of the nucleon and charmonium system by using the HAL QCD method, are found to be attractive in all distances and manifest a characteristic long-range tail consistent with the two-pion exchange interaction. The resulting scattering lengths are around $0.3$ fm, $0.4$ fm and $0.2$ fm for $NJ/\psi$ with spin $3/2$, with spin $1/2$, and $N\eta_c$, respectively. Our results are orders of magnitude larger than those from the photoproduction experiments assuming the vector meson dominance.
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- https://doi.org/10.22323/1.466.0103
- OA Status
- gold
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- 1
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- 10
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https://openalex.org/W4406929913Canonical identifier for this work in OpenAlex
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https://doi.org/10.22323/1.466.0103Digital Object Identifier
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$NJ/\psi$ and $N\eta_c$ interactions from lattice QCDWork title
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articleOpenAlex work type
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enPrimary language
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2025Year of publication
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2025-01-29Full publication date if available
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Y. Lyu, Toshihiko SugiuraList of authors in order
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https://doi.org/10.22323/1.466.0103Publisher landing page
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YesWhether a free full text is available
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goldOpen access status per OpenAlex
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https://doi.org/10.22323/1.466.0103Direct OA link when available
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Lattice QCD, Lattice (music), Physics, Quantum chromodynamics, Condensed matter physics, Computer science, Particle physics, AcousticsTop concepts (fields/topics) attached by OpenAlex
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1Total citation count in OpenAlex
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2025: 1Per-year citation counts (last 5 years)
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10Other works algorithmically related by OpenAlex
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