Quark-hadron duality in nucleon structure functions

被引：1
作者：
Melnitchouk, W. [1 ]
机构：
[1] Jefferson Lab, Newport News, VA 23606 USA
来源：
INTERNATIONAL CONFERENCE ON THE STRUCTURE OF BARYONS (BARYONS '10) | 2011年 / 1388卷
关键词：
SEMIINCLUSIVE PION-PRODUCTION; PARTON DISTRIBUTIONS; TRUNCATED MOMENTS; SCATTERING; EVOLUTION; PROTON;
D O I：
10.1063/1.3647422
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We review progress in the study of quark-hadron duality in nucleon structure functions. New developments include insights into local duality obtained using truncated moments of structure functions, which allow duality-violating higher-twist contributions to be identified in individual resonance regions. Studies of pion electroproduction have also showed the first glimpses of duality in semi-inclusive cross sections, which if confirmed would greatly expand the scope of constraining the flavor and spin dependence of parton distributions.
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