Study of Neutral Track Measurement at BES

Li Haibo; Yuan Changzheng; Li Jin; Li Xinhua

Chinese Physics C> 1999, Vol. 23> Issue(7) : 607-615

Study of Neutral Track Measurement at BES

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

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Abstract：
The accuracy of neutral track measurement by Barrel Shower Counter (BSC) at BES is inveshgated. The photon energy in BSC is corrected using radiative Bhabha events and the error is determined. The error of photon position in BSC is also determined using the e⁺e^－ process. All these results can be applied to BES analysis including neutral tracks, and the systematic error can be remarkably reduced when the kinematic fit is adopted.

References

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[1]	ZHANG Chang-Chun , WANG Zhe , YUAN Ye . Reconstruction of Photon Conversions and Precise Measurement of Photon Energy at BESⅡ. Chinese Physics C, 2006, 30(5): 378-386.
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Li Haibo, Yuan Changzheng, Li Jin and Li Xinhua. Study of Neutral Track Measurement at BES[J]. Chinese Physics C, 1999, 23(7): 607-615.

Li Haibo, Yuan Changzheng, Li Jin and Li Xinhua. Study of Neutral Track Measurement at BES[J]. Chinese Physics C, 1999, 23(7): 607-615. shu

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Received: 1998-05-13
Revised: 1900-01-01

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通讯作者: 陈斌, [email protected]

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沈阳化工大学材料科学与工程学院沈阳 110142

Study of Neutral Track Measurement at BES

Corresponding author: Li Haibo,

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

Received Date: 1998-05-13

Accepted Date: 1900-01-01

Available Online: 1999-07-05

Abstract: The accuracy of neutral track measurement by Barrel Shower Counter (BSC) at BES is inveshgated. The photon energy in BSC is corrected using radiative Bhabha events and the error is determined. The error of photon position in BSC is also determined using the e⁺e^－ process. All these results can be applied to BES analysis including neutral tracks, and the systematic error can be remarkably reduced when the kinematic fit is adopted.

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Study of Neutral Track Measurement at BES

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通讯作者: 陈斌, [email protected]

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