Study of the B-s(0)(B)over-bar(s)(0) oscillation frequency using D(s)(-)l(+) combinations in Z decays
ALEPH Collaboration
刊名PHYSICS LETTERS B
1996
卷号377期号:1-3页码:#REF!
学科分类Physics
DOI10.1016/0370-2693(96)00451-0
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
英文摘要A lower limit on the oscillation frequency of the system is obtained from approximately four million hadronic Z decays accumulated using the ALEPH detector at LEP from 1991 to 1995. Leptons are combined with opposite sign D-s(-) candidates reconstructed in seven different decay modes as evidence of semileptonic B-s(0) decays. Criteria designed to ensure precise proper time reconstruction select 277 D(s)(-)l(+) combinations. The initial state of these B-s(0) candidates is determined using an algorithm optimized to efficiently utilise the tagging information available for each event. The limit at 95% confidence level on the oscillation frequency is Delta m(s) > 6.6 ps(-1). The same data is used to update the measurement of the B-s(0) lifetime, tau(s) = 1.54(-0.13)(0.14) (stat) +/- 0.04 (syst) ps.
类目[WOS]Physics, Multidisciplinary
收录类别SCI
WOS记录号WOS:A1996UT14800031
引用统计
被引频次:65[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/311005/226929
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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ALEPH Collaboration. Study of the B-s(0)(B)over-bar(s)(0) oscillation frequency using D(s)(-)l(+) combinations in Z decays[J]. PHYSICS LETTERS B,1996,377(1-3):#REF!.
APA ALEPH Collaboration.(1996).Study of the B-s(0)(B)over-bar(s)(0) oscillation frequency using D(s)(-)l(+) combinations in Z decays.PHYSICS LETTERS B,377(1-3),#REF!.
MLA ALEPH Collaboration."Study of the B-s(0)(B)over-bar(s)(0) oscillation frequency using D(s)(-)l(+) combinations in Z decays".PHYSICS LETTERS B 377.1-3(1996):#REF!.
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