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A MEASUREMENT OF ALPHA-S AND OF HIGHER TWISTS FROM A QCD ANALYSIS OF HIGH STATISTICS F2 DATA ON HYDROGEN AND DEUTERIUM TARGETS

被引：248
作者：
VIRCHAUX, M
MILSZTAJN, A
机构：
[1] DAPNIA, SPP, Centre d'Etudes de Saclay
来源：
PHYSICS LETTERS B | 1992年 / 274卷 / 02期
关键词：
D O I：
10.1016/0370-2693(92)90527-B
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We compare the Q2-dependence of the highest statistics structure function data on free or quasi-free nucleons - from the BCDMS Collaboration and the SLAC experiments - with the predictions of perturbative QCD. An excellent agreement is observed, leading to a precise measurement of the strong interaction coupling constant, alpha(s) (M(Z)2) = 0.113 +/- 0.005, a measurement of higher-twist terms in the Q2-evolution of F2 and an estimate of the gluon distribution in the range 0.07 < x < 0.25.
引用
收藏
页码：221 / 229
页数：9
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