Local duality predictions for x ∼ 1 structure functions

被引：52

作者：

Melnitchouk, W

机构：

[1] Jefferson Lab, Newport News, VA 23606 USA

[2] Univ Adelaide, Special Res Ctr Subatom Struct Matter, Adelaide, SA 5005, Australia

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 86卷 / 01期

关键词：

D O I：

10.1103/PhysRevLett.86.35

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Recent data on the proton F-2 structure function in the resonance region suggest that local quark-hadron duality works remarkably well for each of the low-lying resonances, including the elastic, to rather low values of Q(2). We derive model-independent relations between structure functions at x similar to 1 and elastic electromagnetic form factors, and predict the x --> 1 behavior of nucleon polarization asymmetries and the neutron to proton structure function ratios from available data on nucleon electric and magnetic form factors.

引用

页码：35 / 38

页数：4

共 34 条

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