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Improved measurement of the B-0 and BC meson lifetimes
ALEPH Collaboration
1996
发表期刊ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS
卷号71期号:1页码:#REF!
通讯作者Buskulic, D (reprint author), INST NATL PHYS NUCL & PHYS PARTICULES, CNRS, PHYS PARTICULES LAB, F-74019 ANNECY LE VIEUX, FRANCE.
文章类型Article
摘要The lifetimes of the B-0 and B+ mesons have been measured with the ALEPH detector at LEP, using approximately 3 million hadronic Z decays collected in the period 1991-1994. In the first of three methods, semileptonic decays of B-0 and B+ mesons were partially reconstructed by identifying events containing a lepton with an associated D*(-) or (D) over bar(0) meson. The second method used fully reconstructed B-0 and B+ mesons. The third method, used to measure the B-0 lifetime, employed a partial reconstruction technique to identify B-0 --> D*(-)pi(+)X decays. The combined results are tau(0) = 1.55 +/- 0.06 +/- 0.03 ps, tau(+) = 1.58 +/- 0.09 +/- 0.03 ps, tau(+)/tau(0) = 1.03 +/- 0.08 +/- 0.02.
学科领域Physics
DOI10.1007/s002880050145
收录类别SCI
WOS类目Physics, Particles & Fields
WOS记录号WOS:A1996UV83800003
引用统计
被引频次:18[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/311005/225623
专题实验物理中心
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ALEPH Collaboration. Improved measurement of the B-0 and BC meson lifetimes[J]. ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS,1996,71(1):#REF!.
APA ALEPH Collaboration.(1996).Improved measurement of the B-0 and BC meson lifetimes.ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS,71(1),#REF!.
MLA ALEPH Collaboration."Improved measurement of the B-0 and BC meson lifetimes".ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS 71.1(1996):#REF!.
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