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Measurement of the e(+)e(-)-> Z -> b(b)over-bar forward-backward asymmetry and the B-0(B)over-bar(0) mixing parameter using prompt leptons
L3 Collaboration
1999
发表期刊PHYSICS LETTERS B
卷号448期号:1-2页码:#REF!
通讯作者Acciarri, M (reprint author), Rhein Westfal TH Aachen, Inst Phys 1, D-52056 Aachen, Germany.
摘要The time-integrated B-0(B) over bar(0) mixing parameter and the forward-backward charge asymmetry in the process e(+)e(-) --> b (b) over bar are measured in hadronic Z events containing prompt muons or electrons, collected by the L3 experiment in the years 1990 to 1995. The total sample of 3.3 milion hadronic Z events with a mean centre-of-mass energy of 91.26 GeV yields: A(FB)(b) = 0.0960 +/- 0.0066(stat.) +/- 0.0033(sys.), chi(b) = 0.1192 +/- 0.0068(stat.)+/- 0.0051(sys.). This asymmetry measurement together with measurements at energies away from the Z pole energy yield a pole asymmetry and corresponding effective electroweak mixing angle of: A(FB)(0,b) = 0.1015 +/- 0.0064(stat.) +/- 0.0035(sys.), sin(theta)(2)W<(theta)over bar> = 0.2318 +/- 0.0013. (C) 1999 Published by Elsevier Science B.V. All rights reserved.
文章类型Article
学科领域Physics
DOI10.1016/S0370-2693(98)01601-3
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000078986200022
引用统计
被引频次:19[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/311005/226534
专题粒子天体物理中心
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L3 Collaboration. Measurement of the e(+)e(-)-> Z -> b(b)over-bar forward-backward asymmetry and the B-0(B)over-bar(0) mixing parameter using prompt leptons[J]. PHYSICS LETTERS B,1999,448(1-2):#REF!.
APA L3 Collaboration.(1999).Measurement of the e(+)e(-)-> Z -> b(b)over-bar forward-backward asymmetry and the B-0(B)over-bar(0) mixing parameter using prompt leptons.PHYSICS LETTERS B,448(1-2),#REF!.
MLA L3 Collaboration."Measurement of the e(+)e(-)-> Z -> b(b)over-bar forward-backward asymmetry and the B-0(B)over-bar(0) mixing parameter using prompt leptons".PHYSICS LETTERS B 448.1-2(1999):#REF!.
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