Measurement of the Q2-evolution of the Bjorken integral at low Q2

被引：0
|
作者：
Deur, A [1 ]
机构：
[1] Thoman Jefferson Natl Accelerator Facil, Newport News, VA 23606 USA
来源：
SPIN 2004: 16TH INTERNATIONAL SPIN PHYSICS SYMPOSIUM | 2005年
关键词：
D O I：
10.1142/9789812701909_0127
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
We report on the extraction of the Q(2)-dependence of the Bjorken sum for 0.16 < Q(2) < 1.1 GeV2. A twist analysis performed on these data shows that the higher twist corrections are small due to a cancellation between the twist-4 and 6 terms. The extraction of an effective strong coupling constant is discussed.
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收藏
页码：613 / 616
页数：4
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