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Measurement of D-0-(D) over bar(0) mixing and search for indirect CP violation using D-0 -> K-S(0)pi(+)pi(-) decays
Belle Collaboration
2014
发表期刊PHYSICAL REVIEW D
卷号89期号:9
通讯作者Peng, T (reprint author), Univ Sci & Technol China, Hefei 230026, Peoples R China.
摘要We report a measurement of D-0-(D) over bar(0) mixing parameters and a search for indirect CP violation through a time-dependent amplitude analysis of D-0 -> K-S(0)pi(+)pi(-) decays. The results are based on 921 fb(-1) of data accumulated with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. Assuming CP conservation, we measure the mixing parameters x = (0.56 +/- 0.19(-0.09-0.09)(+0.03+0.06))% and y = (0.30 +/- 0.15(-0.05-0.06)(+0.04+0.03))%, where the errors are statistical, experimental systematic, and systematic due to the amplitude model, respectively. With CP violation allowed, the parameters vertical bar q/p vertical bar = 0.90(-0.15-0.04-0.05)(+0.16+0.05+0.06) and arg(q/p) = (- 6 +/- 11 +/- 3(-4)(+3))degrees are found to be consistent with conservation of CP symmetry in mixing and in the interference between mixing and decay, respectively.
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.89.091103
收录类别SCI
语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000338041400001
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被引频次:12[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/311005/213727
专题实验物理中心
作者单位中国科学院高能物理研究所
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Belle Collaboration. Measurement of D-0-(D) over bar(0) mixing and search for indirect CP violation using D-0 -> K-S(0)pi(+)pi(-) decays[J]. PHYSICAL REVIEW D,2014,89(9).
APA Belle Collaboration.(2014).Measurement of D-0-(D) over bar(0) mixing and search for indirect CP violation using D-0 -> K-S(0)pi(+)pi(-) decays.PHYSICAL REVIEW D,89(9).
MLA Belle Collaboration."Measurement of D-0-(D) over bar(0) mixing and search for indirect CP violation using D-0 -> K-S(0)pi(+)pi(-) decays".PHYSICAL REVIEW D 89.9(2014).
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