π-MESON DISTRIBUTION AMPLITUDE AND RELATIVE EXCLUSIVE PROCESSES

  • The behavior of the π-meson distribution amplitude is discussed through a phenomenological analysis of some exclusive processes in QCD sum rule.Fπ(Q2) and Br(χ→2π) are calculated by using a trial distribution amplitude.The result of Fπ(Q2) is compatible with experimental data,Br(χ→2π) is of the same order as experimental data.
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BAI Zhan-Wu. π-MESON DISTRIBUTION AMPLITUDE AND RELATIVE EXCLUSIVE PROCESSES[J]. Chinese Physics C, 1988, 12(6): 749-753.
BAI Zhan-Wu. π-MESON DISTRIBUTION AMPLITUDE AND RELATIVE EXCLUSIVE PROCESSES[J]. Chinese Physics C, 1988, 12(6): 749-753. shu
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Received: 1900-01-01
Revised: 1900-01-01
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π-MESON DISTRIBUTION AMPLITUDE AND RELATIVE EXCLUSIVE PROCESSES

    Corresponding author: BAI Zhan-Wu,
  • Southwest Jiao-tong University,Sichuan

Abstract: The behavior of the π-meson distribution amplitude is discussed through a phenomenological analysis of some exclusive processes in QCD sum rule.Fπ(Q2) and Br(χ→2π) are calculated by using a trial distribution amplitude.The result of Fπ(Q2) is compatible with experimental data,Br(χ→2π) is of the same order as experimental data.

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