scholarly journals Large-momentum effective theory

2021 ◽  
Vol 93 (3) ◽  
Author(s):  
Xiangdong Ji ◽  
Yizhuang Liu ◽  
Yu-Sheng Liu ◽  
Jian-Hui Zhang ◽  
Yong Zhao
Keyword(s):  
Effective Theory ◽  
Large Momentum

scholarly journals The Spin Structure of the Nucleon

2016 ◽  
Vol 40 ◽  
pp. 1660001
Author(s):  
Xiangdong Ji ◽  
Yong Zhao
Keyword(s):  
Angular Momentum ◽  
Orbital Angular Momentum ◽  
Deeply Virtual Compton Scattering ◽  
Virtual Compton Scattering ◽  
Proton Spin ◽  
Effective Theory ◽  
Large Momentum ◽  
Theory Approach ◽  
The One ◽  
The Relationship

We justify the physical meaning of the spin and orbital angular momentum of free partons in the infinite momentum frame, and discuss the relationship between the Jaffe-Manohar and Ji’s sum rules for proton spin. The parton orbital angular momentum in the Jaffe-Manohar sum rule can be measured through twist-three GPD’s in hard scattering processes such as deeply virtual Compton scattering. Furthermore, we propose that the paton orbital angular momentum as well as the gluon helicity can be calculated in lattice QCD through a large momentum effective theory approach, and provide all the one-loop matching conditions for the proton spin content in perturbative QCD.

Proton Spin Structure from Large Momentum Effective Theory

2017 ◽  
pp. 221-226
Author(s):  
Jian-Hui Zhang ◽  
Xiangdong Ji ◽  
Yong Zhao
Keyword(s):  
Spin Structure ◽  
Proton Spin ◽  
Effective Theory ◽  
Large Momentum ◽  
Proton Spin Structure

scholarly journals Accessing Gluon Parton Distributions in Large Momentum Effective Theory

2019 ◽  
Vol 122 (14) ◽  
Author(s):  
Jian-Hui Zhang ◽  
Xiangdong Ji ◽  
Andreas Schäfer ◽  
Wei Wang ◽  
Shuai Zhao
Keyword(s):  
Effective Theory ◽  
Large Momentum ◽  
Parton Distributions

scholarly journals Lattice QCD Calculations of Transverse-Momentum-Dependent Soft Function through Large-Momentum Effective Theory

2020 ◽  
Vol 125 (19) ◽  
Author(s):  
Qi-An Zhang ◽  
Jun Hua ◽  
Yikai Huo ◽  
Xiangdong Ji ◽  
Yizhuang Liu ◽  
...  
Keyword(s):  
Transverse Momentum ◽  
Lattice Qcd ◽  
Effective Theory ◽  
Large Momentum ◽  
Transverse Momentum Dependent ◽  
Soft Function

Proton Spin Structure from Large Momentum Effective Theory

2016 ◽  
Vol 57 (8) ◽  
pp. 615-620
Author(s):  
Jian-Hui Zhang ◽  
Xiangdong Ji ◽  
Yong Zhao
Keyword(s):  
Spin Structure ◽  
Proton Spin ◽  
Effective Theory ◽  
Large Momentum ◽  
Proton Spin Structure

scholarly journals Single transverse-spin asymmetry and Sivers function in large momentum effective theory

2021 ◽  
Vol 103 (7) ◽  
Author(s):  
Xiangdong Ji ◽  
Yizhuang Liu ◽  
Andreas Schäfer ◽  
Feng Yuan
Keyword(s):  
Spin Asymmetry ◽  
Effective Theory ◽  
Transverse Spin ◽  
Large Momentum ◽  
Sivers Function

scholarly journals Renormalization in Large Momentum Effective Theory of Parton Physics

2018 ◽  
Vol 120 (11) ◽  
Author(s):  
Xiangdong Ji ◽  
Jian-Hui Zhang ◽  
Yong Zhao
Keyword(s):  
Effective Theory ◽  
Large Momentum

scholarly journals More on large-momentum effective theory approach to parton physics

2017 ◽  
Vol 924 ◽  
pp. 366-376 ◽  
Author(s):  
Xiangdong Ji ◽  
Jian-Hui Zhang ◽  
Yong Zhao
Keyword(s):  
Effective Theory ◽  
Large Momentum ◽  
Theory Approach
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