Transverse structure of electron in momentum space in basis light-front quantization

被引：11
作者：
Hu, Zhi [1 ,2 ,3 ]
Xu, Siqi [1 ,2 ,3 ]
Mondal, Chandan [1 ,2 ,3 ]
Zhao, Xingbo [1 ,2 ,3 ]
Vary, James P. [4 ]
机构：
[1] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Gansu, Peoples R China
[2] Univ Chinese Acad Sci, Sch Nucl Phys, Beijing 100049, Peoples R China
[3] Chinese Acad Sci, Inst Modern Phys, CAS Key Lab High Precis Nucl Spect, Lanzhou 730000, Peoples R China
[4] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA
来源：
PHYSICAL REVIEW D | 2021年 / 103卷 / 03期
基金：
中国国家自然科学基金;
关键词：
FINAL-STATE INTERACTIONS; DRELL-YAN; PARTON DISTRIBUTIONS; SPIN ASYMMETRIES; REPRESENTATION; FACTORIZATION; PROTON; GAUGE;
D O I：
10.1103/PhysRevD.103.036005
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We investigate the leading-twist transverse-momentum-dependent distribution functions (TMDs) for a physical electron, a spin-1/2 composite system consisting of a bare electron and a photon, using the basis light-front quantization (BLFQ) framework. The light-front wave functions of the physical electron are obtained from the eigenvectors of the light-front QED Hamiltonian. We evaluate the TMDs using the overlaps of the light-front wave functions. The BLFQ results are found to be in excellent agreement with those TMDs calculated using lowest-order perturbation theory.
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页数：17
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