MEASUREMENT OF THE STRONG COUPLING CONSTANT-ALPHA-S AT THE Z0 RESONANCE USING MODIFIED JET MASS DIFFERENCE

被引：0
|
作者：
CHMEISSANI, MA
机构：
来源：
PHYSICAL REVIEW D | 1992年 / 46卷 / 05期
关键词：
D O I：
10.1103/PhysRevD.46.R1919
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A modified jet mass difference (thrust criterion) technique is used to extract the value of alpha(s)(M(Z0)2). This new technique suppresses fragmentation uncertainty, reducing the overall systematic error. Based on this method and using results from two experiments at the CERN e+e- collider LEP, we determine alpha(s)(M(Z0)2) = 0.127 +/- 0.004, where the errors have been added in quadrature.
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页码：R1919 / R1923
页数：5
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