Youming Liu

ORCID: 0009-0007-9748-3764
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About
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Research Areas
  • Advanced Graph Neural Networks
  • Merger and Competition Analysis
  • Privacy, Security, and Data Protection
  • Cryptography and Data Security
  • High-Energy Particle Collisions Research
  • Privacy-Preserving Technologies in Data
  • Bayesian Modeling and Causal Inference
  • Quantum Chromodynamics and Particle Interactions
  • Economic Theory and Institutions
  • Particle physics theoretical and experimental studies
  • Topic Modeling
  • European and International Contract Law

Sun Yat-sen University
2024

Institute of High Energy Physics
2003

10.1109/ijcnn60899.2024.10650177 article EN 2022 International Joint Conference on Neural Networks (IJCNN) 2024-06-30

10.1109/tkde.2024.3466990 article EN IEEE Transactions on Knowledge and Data Engineering 2024-09-25

In a sample of 58 million $J/ψ$ events collected with the BES II detector, process J/$ψ\toγη_c$ is observed in five decay channels: $η_c \to K^+K^-π^+π^-$, $π^+π^-π^+π^-$, $K^\pm K^0_S π^\mp$ (with $K^0_S\toπ^+π^-$), $ϕϕ$ $ϕ\to K^+K^-$) and $p\bar{p}$. From these signals, we determine $Br(J/ψ\toγη_c)\times Br(η_c\to K^+K^-π^+π^-)$ $=(1.5\pm0.2\pm0.2)\times10^{-4}$, π^+π^-π^+π^-)$ $=(1.3\pm0.2\pm0.4)\times10^{-4}$, K^\pm K_{S}^{0}π^\mp)$ $=(2.2\pm0.3\pm0.5)\times10^{-4}$, ϕϕ)$...

10.1016/j.physletb.2003.10.042 article EN cc-by Physics Letters B 2003-11-07
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