The Luminosity Monitor of Beijing Spectrometer (BES)

Ni Hutting; Zhou Haushi; Jiang Chunhua; Guo Hongfei; Xu Jiangou; Zhu Qiming; Wang Fang; Liu Wei; Li Jiahua

Chinese Physics C> 1990, Vol. 14> Issue(S3) : 237-248

The Luminosity Monitor of Beijing Spectrometer (BES)

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

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In this paper, we present the design and construction of the luminosity monitor of BES, its main features of the detectors and the functions of the read-out circuits and data acquisition system. In October of 1988,-the luminosity monitor provided the first colliding luminosity of Beijing Electron-Positron Collider (BEPC), and the initial luminosity was 5×10²⁸/cm²·s. During the later colliding experimental operations, the luminosity monitor also provided the colliding luminosities, which were in agreement with those calculated with the operation parameters of the BEPC.

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Ni Hutting, Zhou Haushi, Jiang Chunhua, Guo Hongfei, Xu Jiangou, Zhu Qiming, Wang Fang, Liu Wei and Li Jiahua. The Luminosity Monitor of Beijing Spectrometer (BES)[J]. Chinese Physics C, 1990, 14(S3): 237-248.

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Received: 1989-10-18

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沈阳化工大学材料科学与工程学院沈阳 110142

The Luminosity Monitor of Beijing Spectrometer (BES)

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

Received Date: 1989-10-18

Abstract: In this paper, we present the design and construction of the luminosity monitor of BES, its main features of the detectors and the functions of the read-out circuits and data acquisition system. In October of 1988,-the luminosity monitor provided the first colliding luminosity of Beijing Electron-Positron Collider (BEPC), and the initial luminosity was 5×10²⁸/cm²·s. During the later colliding experimental operations, the luminosity monitor also provided the colliding luminosities, which were in agreement with those calculated with the operation parameters of the BEPC.

The Luminosity Monitor of Beijing Spectrometer (BES)

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