Basis light-front quantization approach to photon

被引：17

作者：

Nair, Sreeraj ^{[1
,2
,3
]}

Mondal, Chandan ^{[1
,2
,3
]}

Zhao, Xingbo ^{[1
,2
,3
]}

Mukherjee, Asmita ^{[4
]}

Vary, James P. ^{[5
]}

机构：

[1] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China

[2] Univ Chinese Acad Sci, Sch Nucl Sci & Technol, 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] Indian Inst Technol, Dept Phys, Mumbai 400076, India

[5] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA

来源：

PHYSICS LETTERS B | 2022年 / 827卷

关键词：

Light-front quantization; Quantum electrodynamics; Photons; Parton distribution functions; GENERALIZED PARTON DISTRIBUTIONS; SPIN ASYMMETRIES; DRELL-YAN; SCATTERING; ORDER;

D O I：

10.1016/j.physletb.2022.137005

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We solve for the light-front wave functions (LFWFs) of the physical photon from the eigenvectors of the light-front quantum electrodynamics (QED) Hamiltonian with the aim to determine its bare photon and electron-positron Fock components. We then employ the resulting LFWFs to compute the transverse momentum dependent parton distributions (TMDs) and the generalized parton distributions (GPDs) at zero skewness of the photon. The TMDs are found to be in excellent agreement with the lowest-order perturbative results calculated using the electron-positron quantum fluctuation of the photon. The GPDs are also consistent with the perturbative calculations.(C) 2022 The Author(s). Published by Elsevier B.V.& nbsp;& nbsp;

引用

页数：7

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