A second update on double parton distributions

被引：16
|
作者：
Ceccopieri, Federico Alberto [1 ]
机构：
[1] Univ Liege, IFPA, B-4000 Liege, Belgium
来源：
PHYSICS LETTERS B | 2014年 / 734卷
关键词：
Double parton distributions; QCD evolution equations; QCD sum rules; TRANSVERSE-MOMENTUM; EVOLUTION-EQUATIONS; FRACTURE FUNCTIONS; SCATTERING;
D O I：
10.1016/j.physletb.2014.05.015
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present two equivalent consistency checks of the momentum sum rule for double parton distributions and show the importance of the inclusion of the so-called inhomogeneous term in order to preserve correct longitudinal momentum correlations. We further discuss in some detail the kinematics of the splitting at the basis of the inhomogeneous term and update the double parton distributions evolution equations at different virtualities. (C) 2014 The Author. Published by Elsevier B.V.
引用
收藏
页码：79 / 85
页数：7
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