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Improved search for D(0)-(D)over-bar(0) mixing using semileptonic decays at Belle
Belle Collaboration
2008
发表期刊PHYSICAL REVIEW D
卷号77期号:11
通讯作者Bitenc, U (reprint author), J Stefan Inst, Ljubljana, Slovenia.
摘要A search for mixing in the neutral D meson system has been performed using semileptonic D(0) -> K((*)-) e(+) nu and D(0) -> K((*)-) mu(+) nu decays. Neutral D mesons from D(*+)-> D(0)pi(+)(s) decays are used and the flavor at production is tagged by the charge of the slow pion. The measurement is performed using 492 fb(-1) of data recorded by the Belle detector. From the yield of right-sign and wrong-sign decays arising from nonmixed and mixed events, respectively, we measure the ratio of the time-integrated mixing rate to the unmixed rate to be R(M)=(1.3 +/- 2.2 +/- 2.0) x 10(-4). This corresponds to an upper limit of R(M) < 6.1 x 10(-4) at the 90% C.L.
关键词DETECTOR IDENTIFICATION KEKB
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.77.112003
收录类别SCI
语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000257290300006
引用统计
被引频次:20[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/311005/212860
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. Improved search for D(0)-(D)over-bar(0) mixing using semileptonic decays at Belle[J]. PHYSICAL REVIEW D,2008,77(11).
APA Belle Collaboration.(2008).Improved search for D(0)-(D)over-bar(0) mixing using semileptonic decays at Belle.PHYSICAL REVIEW D,77(11).
MLA Belle Collaboration."Improved search for D(0)-(D)over-bar(0) mixing using semileptonic decays at Belle".PHYSICAL REVIEW D 77.11(2008).
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