Multiplicity of D in e+e Annihilation at s=29─35Gev

  • We question the validity of the multiplicity data 〈D*++D*-〉=0.43±0.07 in e+e annihilation at s= 29-35 GeV which is listed in Review of Particle Physics. After annalyzing five sets of data provided by five different collaborations, we derive the world average value: 〈D*++D*-〉=0.24±0.02 This result is in contradiction with that listed in Review of Particle Physics.
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Chen Esheng, Wang Qun, Xie Qubing and Chen Yan. Multiplicity of D in e+e Annihilation at s=29─35Gev[J]. Chinese Physics C, 1998, 22(3): 234-240.
Chen Esheng, Wang Qun, Xie Qubing and Chen Yan. Multiplicity of D in e+e Annihilation at s=29─35Gev[J]. Chinese Physics C, 1998, 22(3): 234-240. shu
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Received: 1900-01-01
Revised: 1900-01-01
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Multiplicity of D in e+e Annihilation at s=29─35Gev

    Corresponding author: Chen Esheng,
  • Department of Physics, Shandong University,Jinan 2501001 Shandong University Press, Shandong University , Jinan 250100

Abstract: We question the validity of the multiplicity data 〈D*++D*-〉=0.43±0.07 in e+e annihilation at s= 29-35 GeV which is listed in Review of Particle Physics. After annalyzing five sets of data provided by five different collaborations, we derive the world average value: 〈D*++D*-〉=0.24±0.02 This result is in contradiction with that listed in Review of Particle Physics.

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