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MEASUREMENT OF THE STRONG COUPLING-CONSTANT ALPHA-S FOR BOTTOM QUARKS AT THE Z(0) RESONANCE
L3 Collaboration
1991
发表期刊PHYSICS LETTERS B
卷号271期号:3-4页码:#REF!
通讯作者ADEVA, B (reprint author), CERN,EUROPEAN LAB PARTICLE PHYS,CH-1211 GENEVA 23,SWITZERLAND.
摘要We have measured the ratio of the strong coupling constants alpha(s) for bottom quarks and light quarks at the Z0 resonance, in order to test the flavour independence of the strong interaction. The coupling strength alpha(s) has been determined from the fraction of events with three jets, measured for a sample of all hadronic events, and for inclusive muon and electron events. The b purity is evaluated to be 22% for the first data set and 87% for the inclusive lepton sample. We find alpha(s)(b)/alpha(s)(udsc) = 1.00 +/-0.05 (stat.) +/- 0.06 (syst.).
文章类型Article
学科领域Physics
DOI10.1016/0370-2693(91)90118-A
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:A1991GV61600032
引用统计
被引频次:34[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/311005/227678
专题粒子天体物理中心
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L3 Collaboration. MEASUREMENT OF THE STRONG COUPLING-CONSTANT ALPHA-S FOR BOTTOM QUARKS AT THE Z(0) RESONANCE[J]. PHYSICS LETTERS B,1991,271(3-4):#REF!.
APA L3 Collaboration.(1991).MEASUREMENT OF THE STRONG COUPLING-CONSTANT ALPHA-S FOR BOTTOM QUARKS AT THE Z(0) RESONANCE.PHYSICS LETTERS B,271(3-4),#REF!.
MLA L3 Collaboration."MEASUREMENT OF THE STRONG COUPLING-CONSTANT ALPHA-S FOR BOTTOM QUARKS AT THE Z(0) RESONANCE".PHYSICS LETTERS B 271.3-4(1991):#REF!.
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