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 Esheng¹,
Li Mingming²

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

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Abstract：
Probability P _ifor 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 _iis 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 _cand P _bwe 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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1.
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:ProbabilityP_ifor the production ofi-quark jets (i=u,d, s, c and b) in the e⁺e^-annihilation has been studied based on the electroweak unified standard model. ProbabilityP_iis a function of energy √s. The calculated component ratios ofPu: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. UsingP_candP_bwe have calculated the yields of charmed and bottom mesons in e⁺e^-annihilations in the range of √s=10-178 GeV.