Value of αs from deep-inelastic-scattering data -: art. no. 015

被引：0
|
作者：
Alekhin, SI [1 ]
机构：
[1] Inst High Energy Phys, Protvino 142281, Russia
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2003年 / 02期
关键词：
QCD; deep inelastic scattering;
D O I：
暂无
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We report the value of alpha(s) obtained from QCD analysis of existing data on de e p inelastic scattering of charged leptons or proton and deuterium and estimate its theoretical uncertainties with particular attention paid to impact of the high-twist contribution to the deep-inelastic-scattering structure functions. Taking in to account the major uncertain ties the value alpha(s)(NNLO)(MZ) = 0.1143 +/- 0.0014(exp.) +/- 0.0013(theor.) is obtained. An extrapolation of the LO-NLO-NNLO results to the higher orders makes it possible to estimate alpha(s)(N3LO)(M-Z) similar to 0.113.
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页数：8
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