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MEASUREMENT OF ALPHA-S IN HADRONIC Z-DECAYS USING ALL-ORDERS RESUMMED PREDICTIONS
ALEPH Collaboration
1992
发表期刊PHYSICS LETTERS B
卷号284期号:1-2页码:#REF!
通讯作者DECAMP, D (reprint author), CNRS,IN2P3,PHYS PARTICULES LAB,F-74019 ANNECY LE VIEUX,FRANCE.
文章类型Article
摘要Using 109 000 hadronic events obtained with the ALEPH detector at LEP at energies close to the Z resonance peak, the strong coupling constant alpha(s) (M(Z)2) is determined from an analysis of the global event shape variables thrust, heavy jet mass and the differential two-jet rate based on the k(T)-clustering scheme. The analysis uses improved theoretical predictions in which leading and next-to-leading logarithms, resummed to all orders, supplement second order expressions. After combining the results from all variables, alpha(s) (M(Z)2) is measured to be 0. 12 5 +/- 0.005, where the error is the quadratic sum of experimental and theoretical uncertainties, and is dominated by the latter.
学科领域Physics
DOI10.1016/0370-2693(92)91942-3
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:A1992JC03600028
引用统计
被引频次:71[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/311005/226608
专题实验物理中心
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ALEPH Collaboration. MEASUREMENT OF ALPHA-S IN HADRONIC Z-DECAYS USING ALL-ORDERS RESUMMED PREDICTIONS[J]. PHYSICS LETTERS B,1992,284(1-2):#REF!.
APA ALEPH Collaboration.(1992).MEASUREMENT OF ALPHA-S IN HADRONIC Z-DECAYS USING ALL-ORDERS RESUMMED PREDICTIONS.PHYSICS LETTERS B,284(1-2),#REF!.
MLA ALEPH Collaboration."MEASUREMENT OF ALPHA-S IN HADRONIC Z-DECAYS USING ALL-ORDERS RESUMMED PREDICTIONS".PHYSICS LETTERS B 284.1-2(1992):#REF!.
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