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Front. Phys.    2015, Vol. 10 Issue (6) : 101204    https://doi.org/10.1007/s11467-015-0477-x
REVIEW ARTICLE
Three-dimensional imaging of the nucleon and semi-inclusive high-energy reactions
Kai-Bao Chen,Shu-Yi Wei,Zuo-Tang Liang()
School of Physics & Key Laboratory of Particle Physics and Particle Irradiation (Ministry of Education), Shandong University, Jinan 250100, China
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Abstract

We present a short overview of studies of the transverse-momentum-dependent parton distribution functions of the nucleon. The aim of such studies is to provide three-dimensional imaging of the nucleon and a comprehensive description of semi-inclusive high-energy reactions. By summarizing what we have done in constructing the theoretical framework for inclusive deep inelastic lepton–nucleon scattering and one-dimensional imaging of the nucleon, we try to sketch out an outline of what we need to do to construct such a comprehensive theoretical framework for semi-inclusive processes in terms of three-dimensional gauge-invariant parton distributions. Next, we present an overview of what we have alr ady achieved, with an emphasis on the theoretical framework for semi-inclusive reactions in leading-order perturbative quantum chromodynamics but with leading and higher twist contributions. We summarize in particular the results for the differential cross section and azimuthal spin asymmetries in terms of the gauge-invariant transverse-momentum-dependent parton distribution functions. We also briefly summarize the available experimental results on semi-inclusive reactions and the parameterizations of transverse-momentum-dependent parton distributions extracted from them and present an outlook for future studies.
Keywords transverse momentum dependence      parton distribution function      fragmentationfunction      collinear expansion      higher twists     
Corresponding Author(s): Zuo-Tang Liang   
Online First Date: 09 November 2015    Issue Date: 28 December 2015
 Cite this article:   
Kai-Bao Chen,Shu-Yi Wei,Zuo-Tang Liang. Three-dimensional imaging of the nucleon and semi-inclusive high-energy reactions[J]. Front. Phys. , 2015, 10(6): 101204.
 URL:  
https://academic.hep.com.cn/fop/EN/10.1007/s11467-015-0477-x
https://academic.hep.com.cn/fop/EN/Y2015/V10/I6/101204
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