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题名: Testing the anomalous color-electric dipole moment of the c quark from psi
作者: Kuang, YP ;  Ma, JP ;  Nachtmann, O ;  Xie, WP ;  Zheng, HH
刊名: PHYSICAL REVIEW D
出版日期: 2012
卷号: 85, 期号:11, 页码:114010
关键词: HIGGS-BOSON-EXCHANGE ;  HADRONIC TRANSITIONS ;  QUANTUM CHROMODYNAMICS ;  CHARMONIUM ;  DECAYS ;  STATES
学科分类: Physics
通讯作者: Kuang, YP (reprint author), Tsinghua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China.
部门归属: [Kuang, Yu-Ping; Xie, Wan-Peng; Zheng, Hui-Huo] Tsinghua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China; [Kuang, Yu-Ping; Xie, Wan-Peng; Zheng, Hui-Huo] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China; [Ma, Jian-Ping] Acad Sinica, Inst Theoret Phys, Beijing 100190, Peoples R China; [Nachtmann, Otto] Inst Theoret Phys, D-69120 Heidelberg, Germany; [Zheng, Hui-Huo] Univ Illinois, Dept Phys, Urbana, IL 61801 USA
英文摘要: If the c quark has an anomalous color-electric dipole moment (CEDM), it may serve as a new source of CP violation. The strength of such a CP violation depends on the size of the CEDM, d(c)'. We propose two effective ways of testing it from the large sample of psi' -> J/psi + pi(+) + pi(-) at the Beijing Spectrometer, and the obtained result, vertical bar d(c)'vertical bar < 3 x 10(-14) e cm (95% confidence level), gives the first experimentally determined upper bound on the CEDM of the c quark.
资助者: National Natural Science Foundation [10635030, 10875064, 11135003, 10975169, 11021092]
收录类别: SCI
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15081
Appears in Collections:理论物理所2012年知识产出_期刊论文

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Recommended Citation:
Kuang, YP,Ma, JP,Nachtmann, O,et al. Testing the anomalous color-electric dipole moment of the c quark from psi[J]. PHYSICAL REVIEW D,2012,85(11):114010.
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