Valence Double Parton Distributions of the Nucleon in a Simple Model

被引:37
作者
Broniowski, Wojciech [1 ,2 ]
Ruiz Arriola, Enrique [3 ,4 ]
机构
[1] Polish Acad Sci, H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland
[2] Jan Kochanowski Univ, PL-25406 Kielce, Poland
[3] Univ Granada, Dept Fis Atom Mol & Nucl, E-18071 Granada, Spain
[4] Univ Granada, Inst Carlos Fis Teor & Computac 1, E-18071 Granada, Spain
关键词
POSITIVITY CONSTRAINTS; JET CALCULUS; QCD; EQUATIONS; EVOLUTION; QUARK; LHC;
D O I
10.1007/s00601-014-0840-4
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Valence double parton distribution functions of the nucleon are evaluated in the framework of a simple model, where the conservation of the longitudinal momentum is taken into account. The leading-order DGLAP QCD evolution from the low quark-model scale to higher renormalization scales is carried out via the Mellin moments of the distributions. Results of the valence quark correlation function show that in general the double distributions cannot be approximated as a product of the single-particle distributions.
引用
收藏
页码:381 / 387
页数:7
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