Measurement of y(CP) in D-0-(D)over-bar(0) oscillation using quantum correlations in e(+)e(-) -> D-0(D)over-bar(0) at root s=3.773 GeV
BESIII Collaboration
刊名PHYSICS LETTERS B
2015
卷号744页码:339-346
关键词BESIII D-0-(D)over-bar(0) oscillation y(CP) Quantum correlation
学科分类Astronomy & Astrophysics; Physics
DOI10.1016/j.physletb.2015.04.008
文章类型Article
英文摘要We report a measurement of the parameter y(CP) in D-0-(D) over bar (0) oscillations performed by taking advantage of quantum coherence between pairs of D-0(D) over bar (0) mesons produced in e(+)e(-) annihilations near threshold. In this work, doubly-tagged D-0(D) over bar (0) events, where one D decays to a CP eigenstate and the other D decays in a semileptonic mode, are reconstructed using a data sample of 2.92 fb(-1) collected with the BESIII detector at the center-of-mass energy of root s = 3.773 GeV. We obtain y(CP) = (-2.0 +/- 1.3 +/- 0.7)%, where the first uncertainty is statistical and the second is systematic. This result is compatible with the current world average. (C) 2015 The Authors. Published by Elsevier B.V.
类目[WOS]Astronomy & Astrophysics ; Physics, Nuclear ; Physics, Particles & Fields
收录类别SCI ; CA
WOS记录号WOS:000353892000054
引用统计
被引频次:6[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/311005/228532
专题中国科学院高能物理研究所_实验物理中心_期刊论文
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BESIII Collaboration. Measurement of y(CP) in D-0-(D)over-bar(0) oscillation using quantum correlations in e(+)e(-) -> D-0(D)over-bar(0) at root s=3.773 GeV[J]. PHYSICS LETTERS B,2015,744:339-346.
APA BESIII Collaboration.(2015).Measurement of y(CP) in D-0-(D)over-bar(0) oscillation using quantum correlations in e(+)e(-) -> D-0(D)over-bar(0) at root s=3.773 GeV.PHYSICS LETTERS B,744,339-346.
MLA BESIII Collaboration."Measurement of y(CP) in D-0-(D)over-bar(0) oscillation using quantum correlations in e(+)e(-) -> D-0(D)over-bar(0) at root s=3.773 GeV".PHYSICS LETTERS B 744(2015):339-346.
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