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《中国物理C》（英文）编辑部
2024年10月30日
Chinese Physics C> 2004, Vol. 28> Issue(6) : 569-575 

ηc Physics at BESⅢ

  •  Henan Normal University,Xinxiang 453002,China2 China Center of Advanced Science and Technology,Beijing 100080,China3 Guangxi Normal University,Guilin 541004,China4 Institute of High Energy Physics,CAS,Beijing 100039,China

  • An introduction for ηc physics research is presented in this paper, which shows that the meachnism of ηc decays can't be well described by current theoretical models and detailed experimental measurements need to be done with larger ηc sample. Based on the expected J/ψ and ψ′events taken with the planed BESⅢ detector in one year, the ηc physics researches are discussed extensively, including the measurements of branching fractions of different final states, the search for new decay modes, precision measurements of mass and width, and the search for rare decays. At last, the study of η′c decays is also discussed briefly.
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ZHANG Zhi-Qing, FANG Shuang-Shi, WEI Dai-Hui, ZHU Yu-Can and LU Gong-Ru. ηc Physics at BESⅢ[J]. Chinese Physics C, 2004, 28(6): 569-575.
ZHANG Zhi-Qing, FANG Shuang-Shi, WEI Dai-Hui, ZHU Yu-Can and LU Gong-Ru. ηc Physics at BESⅢ[J]. Chinese Physics C, 2004, 28(6): 569-575. shu
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Received: 2003-12-19
Revised: 1900-01-01
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ηc Physics at BESⅢ

    Corresponding author: ZHANG Zhi-Qing,
  • Henan Normal University,Xinxiang 453002,China2 China Center of Advanced Science and Technology,Beijing 100080,China3 Guangxi Normal University,Guilin 541004,China4 Institute of High Energy Physics,CAS,Beijing 100039,China
  • Received Date: 2003-12-19
  • Accepted Date: 1900-01-01
  • Available Online: 2004-06-05

Abstract: An introduction for ηc physics research is presented in this paper, which shows that the meachnism of ηc decays can't be well described by current theoretical models and detailed experimental measurements need to be done with larger ηc sample. Based on the expected J/ψ and ψ′events taken with the planed BESⅢ detector in one year, the ηc physics researches are discussed extensively, including the measurements of branching fractions of different final states, the search for new decay modes, precision measurements of mass and width, and the search for rare decays. At last, the study of η′c decays is also discussed briefly.

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