Clean prediction of CP-violating processes psi, phi, and Upsilon(1S) decay to KSKS and KLKL
李海波(实); Yang MZ(杨茂志); Li, HB; Yang, MZ
刊名PHYSICAL REVIEW LETTERS
2006
卷号96期号:19页码:192001
学科分类Physics
DOI10.1103/PhysRevLett.96.192001
通讯作者CCAST, World Lab, Beijing 100080, Peoples R China ; Inst High Energy Phys, Beijing 100049, Peoples R China
文章类型Article
英文摘要The ratio of KSKS (KLKL) and KSKL production rates is calculated by considering K-0-(K) over bar (0) oscillation in J/psi -> K-0(K) over bar (0) decay. The theoretical uncertainty due to strong interaction in J/psi decay is completely canceled in the ratio; therefore, the absolute branching fractions of the CP-violating processes of J/psi -> KSKS and KLKL can be cleanly and model-independently determined in the case that J/psi -> KSKL decay is precisely measured. In the future tau-charm factory, the expected CP violating process of J/psi -> KSKS should be reached. It is important to measure J/psi to KSKS and KSKL decays simultaneously, so that many systematic errors will be canceled. More precise measurements are suggested to examine the predicted isospin relation in J/psi -> K (K) over bar decays. All results can be extended to decays of other vector quarkonia, phi, psi(2S), and Upsilon(1S), etc.
类目[WOS]Physics, Multidisciplinary
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:000237683600012
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/241027
专题中国科学院高能物理研究所_实验物理中心_期刊论文
作者单位中国科学院高能物理研究所
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Li HB,Yang MZ,Li, HB,et al. Clean prediction of CP-violating processes psi, phi, and Upsilon(1S) decay to KSKS and KLKL[J]. PHYSICAL REVIEW LETTERS,2006,96(19):192001.
APA 李海波,杨茂志,Li, HB,&Yang, MZ.(2006).Clean prediction of CP-violating processes psi, phi, and Upsilon(1S) decay to KSKS and KLKL.PHYSICAL REVIEW LETTERS,96(19),192001.
MLA 李海波,et al."Clean prediction of CP-violating processes psi, phi, and Upsilon(1S) decay to KSKS and KLKL".PHYSICAL REVIEW LETTERS 96.19(2006):192001.
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