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Lattice Calculation of the Intrinsic Soft Function and the Collins-Soper Kernel
Lattice Parton Collaboration, Min-Huan Chu, Jin-Chen He +12
We calculate the soft function using lattice QCD in the framework of large momentum effective theory incorporating the one-loop perturbative contributions. The soft function is a c…
Leading Power Accuracy in Lattice Calculations of Parton Distributions
Rui Zhang, Jack Holligan, Xiangdong Ji +1
In lattice-QCD calculations of parton distribution functions (PDFs) via large-momentum effective theory, the leading power (twist-three) correction appears as ${\cal O}(Λ_{\rm QCD}…
Transverse-Momentum-Dependent Wave Functions of Pion from Lattice QCD
Min-Huan Chu, Jin-Chen He, Jun Hua +11
We present a first lattice QCD calculation of the transverse-momentum-dependent wave functions (TMDWFs) of the pion using large-momentum effective theory. Numerical simulations are…
Precision Control in Lattice Calculation of -dependent Pion Distribution Amplitude
Jack Holligan, Xiangdong Ji, Huey-Wen Lin +2
We present a new Bjorken -dependence analysis of a previous lattice quantum chromodynamics data for the pion distribution amplitude from MILC configurations with three lattice s…
Unpolarized Transverse-Momentum-Dependent Parton Distributions of the Nucleon from Lattice QCD
Lattice Parton Collaboration, Jin-Chen He, Min-Huan Chu +8
We present a first lattice QCD calculation of the unpolarized nucleon's isovector transverse-momentum-dependent parton distribution functions (TMDPDFs), which are essential to pred…
Large-Momentum Effective Theory vs. Short-Distance Operator Expansion: Contrast and Complementarity
Xiangdong Ji
Although equivalent in the infinite-momentum limit, large-momentum effective theory (LaMET) and short-distance operator product expansion (SD-OPE) are two different approaches to e…
Nucleon Transversity Distribution in the Continuum and Physical Mass Limit from Lattice QCD
Fei Yao, Lisa Walter, Jiunn-Wei Chen +13
We report a state-of-the-art lattice QCD calculation of the isovector quark transversity distribution of the proton in the continuum and physical mass limit using large-momentum ef…
Renormalization of transverse-momentum-dependent parton distribution on the lattice
Kuan Zhang, Xiangdong Ji, Yi-Bo Yang +2
To calculate the transverse-momentum-dependent parton distribution functions (TMDPDFs) from lattice QCD, an important goal yet to be realized, it is crucial to establish a viable n…
Lattice QCD Calculations of Parton Physics
Martha Constantinou, Luigi Del Debbio, Xiangdong Ji +12
In this document, we summarize the status and challenges of calculating parton physics in lattice QCD for the US Particle Physics Community Planning Exercise (a.k.a. "Snowmass"). W…
Pion and Kaon Distribution Amplitudes from Lattice QCD
Jun Hua, Min-Huan Chu, Jin-Chen He +10
We present the state-of-the-art lattice QCD calculation of the pion and kaon light-cone distribution amplitudes (DAs) using large-momentum effective theory. The calculation is done…
Self-Renormalization of Quasi-Light-Front Correlators on the Lattice
Yi-Kai Huo, Yushan Su, Long-Cheng Gui +10
In applying large-momentum effective theory, renormalization of the Euclidean correlators in lattice regularization is a challenge due to linear divergences in the self-energy of W…
Proton Isovector Helicity Distribution on the Lattice at Physical Pion Mass
Huey-Wen Lin, Jiunn-Wei Chen, Xiangdong Ji +6
We present a state-of-the-art calculation of the isovector quark helicity Bjorken- distribution in the proton using lattice-QCD ensembles at the physical pion mass. We compute q…
Pion Distribution Amplitude from Lattice QCD
Jian-Hui Zhang, Jiunn-Wei Chen, Xiangdong Ji +2
We present the first lattice-QCD calculation of the pion distribution amplitude using the large- momentum effective field theory (LaMET) approach, which allows us to extract lightc…
Generalized Parton Distributions and the Spin Structure of the Nucleon
Xiangdong Ji
Generalized parton distributions are a new type of hadronic observables which has recently stimulated great interest among theorists and experimentalists alike. Introduced to delin…
A Lattice Study of the Magnetic Moment and the Spin Structure of the Nucleon
Valeriya Gadiyak, Xiangdong Ji, Chulwoo Jung
Using an approach free from momentum extrapolation, we calculate the nucleon magnetic moment and the fraction of the nucleon spin carried by the quark angular momentum in the quenc…
Photon Structure Functions from Quenched Lattice QCD
Xiangdong Ji, Chulwoo Jung
We calculate the first moment of the photon structure function, , on the quenched lattices with using the formalism developed by the authors…
Residual Chiral Symmetry Breaking in Domain-Wall Fermions
Chulwoo Jung, Robert G. Edwards, Xiangdong Ji +1
We study the effective quark mass induced by the finite separation of the domain walls in the domain-wall formulation of chiral fermion as the function of the size of the fifth dim…
Residual Chiral Symmetry Breaking in Domain-Wall Fermions
Chulwoo Jung, Valeriya Gadiyak, Xiangdong Ji +1
We study the effective quark mass induced by the finite separation of the domain walls in the domain-wall formulation of chiral fermion as the function of the size of the fifth dim…
Domain-Wall Induced Quark Masses in Topologically-Nontrivial Background
Valeriya Gadiyak, Xiangdong Ji, Chulwoo Jung
In the domain-wall formulation of chiral fermion, the finite separation between domain-walls () induces an effective quark mass () which complicates the chiral li…
Exact Matching Condition for Matrix Elements in Lattice and Schemes
Xiangdong Ji
The exact matching condition is given for hadron matrix elements calculated in any two different schemes, in particular, in the lattice and dimensional regularization, (modified) m…