Quark-hadron duality in structure functions

被引：2
|
作者：
Fantoni, Alessandra [1 ]
Bianchi, Nicola [1 ]
Liuti, Simonetta [2 ]
机构：
[1] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, RM, Italy
[2] Univ Virginia, Charlottesville, VA 22901 USA
来源：
EUROPEAN PHYSICAL JOURNAL A | 2005年 / 24卷 / Suppl 1期
关键词：
Elementary Particle; Structure Function; Base Analysis; Resonance Region; High Twist;
D O I：
10.1140/epjad/s2005-05-006-x
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：
The quark-hadron duality is studied in a systematic way for polarized and unpolarized structure functions, by taking into account all the available data in the resonance region. In both cases, a precise perturbative QCD based analysis to the integrals of the structure functions in the resonance region has been done: non perturbative contributions have been disentangled and the higher twist contributions have been evaluated. A different behavior for the unpolarized and polarized structure functions at low Q(2) has been found.
引用
收藏
页码：35 / 39
页数：5
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