The Electron in Three-Dimensional Momentum Space

被引：1
|
作者：
Mantovani, L. [1 ,2 ]
Bacchetta, A. [1 ,2 ]
Pasquini, B. [1 ,2 ]
机构：
[1] Univ Pavia, Dipartimento Fis, I-27100 Pavia, Italy
[2] Ist Nazl Fis Nucl, Sez Pavia, I-27100 Pavia, Italy
来源：
FEW-BODY SYSTEMS | 2016年 / 57卷 / 07期
关键词：
SPIN;
D O I：
10.1007/s00601-016-1066-4
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study the electron as a system composed of an electron and a photon and derive the leading-twist transverse-momentum-dependent distribution functions for both the electron and photon in the dressed electron, thereby offering a three-dimensional description of the dressed electron in momentum space. To obtain the distribution functions, we apply both the formalism of light-front wave function overlap representation and the diagrammatic approach; we discuss the comparison of our results between light-cone gauge and Feynman gauge, discussing the role of the Wilson lines to obtain gauge-independent results. We provide examples of plots of the computed distributions.
引用
收藏
页码：515 / 519
页数：5
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