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Simulation study of real-time monitor for BEPC-II luminosity

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Abstract

A fast and real time luminosity monitor system will be used in the BEPC-II (Bei**g Electron Positron Collider, China). Photons generated in radiative Bhabha scattering at the interaction point are transformed into charged particles, and then the luminosity of each bunch pair is measured through collecting the Cherenkov light produced by charged particles in fused silica. The whole process happening in the detector is simulated. The physics acceptance and detection threshold with the monitor accuracy of 1% are set based on the simulation spectra of photoelectron yield calibrated by e− beam data.

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Authors and Affiliations

  1. College of Material Science and Technology, Nan**g University of Aeronautics and Astronautics, Nan**g, 210016, China

    Qing Shan

  2. Department of Modern Physics, University of Science and Technology of China, Hefei, 230026, China

    Qing Shan, Jian Wu, Zhen Xue, ZiZong Xu & **aoLian Wang

  3. Institute of High Energy Physics, Chinese Academy of Sciences, Bei**g, 100049, China

    Tao Hu & YiFang Wang

Authors
  1. Qing Shan
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  2. Jian Wu
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  3. Zhen Xue
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  4. ZiZong Xu
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  5. Tao Hu
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  6. YiFang Wang
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  7. **aoLian Wang
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Correspondence to Qing Shan.

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Shan, Q., Wu, J., Xue, Z. et al. Simulation study of real-time monitor for BEPC-II luminosity. Sci. China Technol. Sci. 53, 1215–1219 (2010). https://doi.org/10.1007/s11431-010-0130-4

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  • DOI: https://doi.org/10.1007/s11431-010-0130-4

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