Comments on the Ratio of Hadronic Decay Rates of ψ(2S)to J/ψ

  • The perturbative QCD prediction of “15% rule” for the ratio of ψ(2S) to J/ψ hadronic decay rates suffers seveal apparent approximations. Calculations using existing experimental data are made in this paper; further corrections to this radio for a number of exclusive decay channels are also discussed.
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Li Xinhua and Gu Yifan. Comments on the Ratio of Hadronic Decay Rates of ψ(2S)to J/ψ[J]. Chinese Physics C, 1998, 22(4): 293-298.
Li Xinhua and Gu Yifan. Comments on the Ratio of Hadronic Decay Rates of ψ(2S)to J/ψ[J]. Chinese Physics C, 1998, 22(4): 293-298. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Comments on the Ratio of Hadronic Decay Rates of ψ(2S)to J/ψ

    Corresponding author: Li Xinhua,
  • Institute of High Energy Physic,Chinese Academy of Sciences, Beijing 100039

Abstract: The perturbative QCD prediction of “15% rule” for the ratio of ψ(2S) to J/ψ hadronic decay rates suffers seveal apparent approximations. Calculations using existing experimental data are made in this paper; further corrections to this radio for a number of exclusive decay channels are also discussed.

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