Yields of Charmed and Bottom Mesons in e+e- Annihilations at √s=10-178 GeV

Chen Esheng; Li Mingming

Chinese Physics C> 1991, Vol. 15> Issue(S4) : 361-371

Yields of Charmed and Bottom Mesons in e⁺e^- Annihilations at √s=10-178 GeV

Chen Esheng ¹ ,
Li Mingming ²

1 Department of Physics, Shandong University, Jinan, Shandong, China;
2 Department of Physics, Jinan University, Jinan, Shandong, China

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Probability P_i for the production of i-quark jets (i=u,d, s, c and b) in the e⁺e^- annihilation has been studied based on the electroweak unified standard model. Probability P_i is a function of energy √s. The calculated component ratios of Pu:Pd:Ps:Pc:Pb are 4:1:1:4:1 for √s < 30 GeV, 7:9:9:7:9 for √s=m_z=91.16 GeV and 1:1:1:1:1 for √s=78 and 117 GeV, respectively. Using P_c and P_b we have calculated the yields of charmed and bottom mesons in e⁺e^- annihilations in the range of √s=10-178 GeV.

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Chen Esheng and Li Mingming. Yields of Charmed and Bottom Mesons in e⁺e^- Annihilations at √s=10-178 GeV[J]. Chinese Physics C, 1991, 15(S4): 361-371.

Chen Esheng and Li Mingming. Yields of Charmed and Bottom Mesons in e⁺e^- Annihilations at √s=10-178 GeV[J]. Chinese Physics C, 1991, 15(S4): 361-371. shu

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Received: 1991-01-11

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Supported by the National Natural Science Foundation of China.

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沈阳化工大学材料科学与工程学院沈阳 110142

Yields of Charmed and Bottom Mesons in e⁺e^- Annihilations at √s=10-178 GeV

Chen Esheng ^1,
Li Mingming ^2,

1 Department of Physics, Shandong University, Jinan, Shandong, China;
2 Department of Physics, Jinan University, Jinan, Shandong, China

Received Date: 1991-01-11

Fund Project: Supported by the National Natural Science Foundation of China.

Abstract: Probability P_i for the production of i-quark jets (i=u,d, s, c and b) in the e⁺e^- annihilation has been studied based on the electroweak unified standard model. Probability P_i is a function of energy √s. The calculated component ratios of Pu:Pd:Ps:Pc:Pb are 4:1:1:4:1 for √s < 30 GeV, 7:9:9:7:9 for √s=m_z=91.16 GeV and 1:1:1:1:1 for √s=78 and 117 GeV, respectively. Using P_c and P_b we have calculated the yields of charmed and bottom mesons in e⁺e^- annihilations in the range of √s=10-178 GeV.