Chinese Physics C > 2003, Vol. 27 > Issue(4): 277-281

Determination of the Total Number of J/ψ from 4-Prong Data

Institute of High Energy Physics, CAS, Beijing 100039, China2 Guangxi Normal University, Guilin 541002, China3 Henan Normal University, Xinxiang 453002, China4 University of Science and Technology of China, Hefei 230026, China

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Abstract：
Based on 4-prong events sample of J/ψ decay and the ψ′ data sample, a method is developed to determine J/ψ total number of two data sets which were taken from November 1999 to May 2001 at BESⅡ. The results are (27.00±1.48)×10 ⁶and (30.70±1.62)×10 ⁶,respectively.

References

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FANG Shuang-Shi, CHEN Hai-Xuan, HENG Yue-Kun, HUANG Guang-Shun, JIN Shan, LU Gong-Ru, LU Hai-Jiang, PENG Hai-Ping, SHEN Xiao-Yan, ZHANG Jun-Mei and ZHU Yu-Can. Determination of the Total Number of J/ψ from 4-Prong Data[J]. Chinese Physics C, 2003, 27(4): 277-281.

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Received: 2002-09-18
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Determination of the Total Number of J/ψ from 4-Prong Data

Corresponding author:FANG Shuang-Shi,

Institute of High Energy Physics, CAS, Beijing 100039, China2 Guangxi Normal University, Guilin 541002, China3 Henan Normal University, Xinxiang 453002, China4 University of Science and Technology of China, Hefei 230026, China

Received Date:2002-09-18
Accepted Date:1900-01-01
Available Online:2003-04-05

Abstract:Based on 4-prong events sample of J/ψ decay and the ψ′ data sample, a method is developed to determine J/ψ total number of two data sets which were taken from November 1999 to May 2001 at BESⅡ. The results are (27.00±1.48)×10⁶and (30.70±1.62)×10⁶,respectively.