Quark-hadron duality and the nuclear EMC effect

被引：0
|
作者：
W. Melnitchouk
K. Tsushima
A.W. Thomas
机构：
[1] Jefferson Lab,
[2] 12000 Jefferson Avenue,undefined
[3] Newport News,undefined
[4] VA 23606,undefined
[5] USA,undefined
[6] Special Research Centre for the Subatomic Structure of Matter,undefined
[7] and Department of Physics and Mathematical Physics,undefined
[8] Adelaide University,undefined
[9] 5005,undefined
[10] Australia,undefined
来源：
The European Physical Journal A - Hadrons and Nuclei | 2002年 / 14卷
关键词：
PACS. 13.60.Hb Total and inclusive cross-sections (including deep-inelastic processes) – 13.40.Gp Electromagnetic form factors – 14.20.Dh Protons and neutrons;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Recent data on polarized proton knockout reactions off 4He nuclei suggest a small but nonzero modification of proton electromagnetic form factors in medium. Using model-independent relations derived on the basis of quark-hadron duality, we relate the medium modification of the form factors to the modification at large x of the deep-inelastic structure function of a bound proton. This places strong constraints on models of the nuclear EMC effect which assume a large deformation of the intrinsic structure of the nucleon in medium.
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页码：105 / 112
页数：7
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