Measurement of Integrated Luminosity at ψ(2S) by Wide-Angle Bhabha Scattering

CUI XiangZong; GU YiFan; LI XinHua; HAN ShiWen

Chinese Physics C> 2000, Vol. 24> Issue(1) : 4-10

Measurement of Integrated Luminosity at ψ(2S) by Wide-Angle Bhabha Scattering

Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039, China

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Abstract：
A method for measuring the integrated luminosity of the e⁺ e^－ colliding experiment by using the wide-angle Bhabha events at the center of mass energy of the ψ(2S) resonance is presented. The determination of the integrated luminosity for the ψ(2S) data collected by the BES detector at the BEPC collider shows the feasibility of the method.

References

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[1]	GAO Tie-Jun , FENG Tai-Fu , ZHAO Shu-Min , KOU Li-Na . Comprehensive analysis of e⁺e^-→γη_c(2S). Chinese Physics C, 2013, 37(7): 073102. doi: 10.1088/1674-1137/37/7/073102
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[3]	Henryk Czyz , Agnieszka Grzelinska . Strong and electromagnetic J/ψ and ψ(2S) decays into pion and kaon pairs. Chinese Physics C, 2010, 34(6): 855-859. doi: 10.1088/1674-1137/34/6/039
[4]	WEI Dai-Hui , YANG Yong-Xu . Pseudoscalar mixing in J/ψ and ψ(2S) decay. Chinese Physics C, 2010, 34(12): 1785-1790. doi: 10.1088/1674-1137/34/12/002
[5]	GUO Yu-Ping , PING Rong-Gang , XIAO Zhen-Jun . Study of ππ final state interactions in ψ(2S)→π⁺π^－ J/ψ. Chinese Physics C, 2009, 33(4): 245-248. doi: 10.1088/1674-1137/33/4/001
[6]	JIANG Xing-Yu , FANG Shuang-Shi , ZHU Yu-Can , LU Gong-Ru . Pseudoscalar-Meson Mixing in ψ(2S)→VP Decays. Chinese Physics C, 2006, 30(8): 724-730.
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[8]	CHI Shao-Peng , MO Xiao-Hu , ZHU Yong-Sheng . Measurement of the Integrated Luminosity at s(1/2)=3.650,3.686 GeV for the BES Detector. Chinese Physics C, 2004, 28(11): 1135-1140.
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CUI XiangZong, GU YiFan, LI XinHua and HAN ShiWen. Measurement of Integrated Luminosity at ψ(2S) by Wide-Angle Bhabha Scattering[J]. Chinese Physics C, 2000, 24(1): 4-10.

CUI XiangZong, GU YiFan, LI XinHua and HAN ShiWen. Measurement of Integrated Luminosity at ψ(2S) by Wide-Angle Bhabha Scattering[J]. Chinese Physics C, 2000, 24(1): 4-10. shu

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Received: 1999-11-12
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

Measurement of Integrated Luminosity at ψ(2S) by Wide-Angle Bhabha Scattering

Corresponding author: CUI XiangZong,

Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039, China

Received Date: 1999-11-12
Accepted Date: 1900-01-01
Available Online: 2000-01-05

Abstract: A method for measuring the integrated luminosity of the e⁺ e^－ colliding experiment by using the wide-angle Bhabha events at the center of mass energy of the ψ(2S) resonance is presented. The determination of the integrated luminosity for the ψ(2S) data collected by the BES detector at the BEPC collider shows the feasibility of the method.