Target Mass Corrections to QCD Bjorken Sum Rule for Nucleon Spin Structure Functions
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概要
- 論文の詳細を見る
We discuss the possible target mass corrections in the QCD analysis of nucleon's spindependent structure functions measured in the polarized deep-inelastic leptoproduction. The target mass correction for the QCD Bjorken sum rule is obtained from the Nachtmann moment and its magnitude is estimated employing positivity bound as well as the experimental data for the asymmetry parameters. We also study the uncertainty due to target mass effects in determining the QCD effective coupling constant α_s(Q^2) from the Bjorken sum rule. The target mass effect for the Ellis-Jaffe sum rule is also briefly discussed.
- 理論物理学刊行会の論文
- 1995-11-06
著者
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KAWAMURA HIROYUKI
Department of Surgery II, Nagoya City University Medical School
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UEMATSU Tsuneo
Department of Physics, Graduate School of Science, Kyoto University
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Uematsu T
Kyoto Univ. Kyoto Jpn
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Uematsu Tsuneo
Research Institute For Fundamental Physics Kyoto University
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Uematsu Tsuneo
Department Of Fundamental Sciences Fihs Kyoto University
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Kawamura Hiroyuki
Department Of Fundamental Sciences Fihs Kyoto University
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Kawamura Hiroyuki
Department Of Architecture Faculty Of Engineering Kyushu Sangyo University
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UEMATSU Tsuneo
Department of Fundamental Sciences FIHS, Kyoto University
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UEMATSU Tsuneo
Research Institute for Fundamental Physics, Kyoto University
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KAWAMURA Hiroyuki
Department of Fundamental Sciences FIHS, Kyoto University
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