ISSN 0253-2778

CN 34-1054/N

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Test a perturbative QCD prediction with e+e-→D*+D*-

  • The differential cross section for e+e-→D*+D*- process was calculated in terms of the electromagnetic form factors of D* meson. After putting in the ratios of form factors predicted by perturbative QCD (quantum chromodynamics), the angular distribution obtained was found to be inconsistent with experimental measurement at s=1058 GeV.
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