22 citations · 121 across the 22 of their papers we have counts for
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Proton isovector helicity PDF at NNLO and the twist-3 moment from lattice QCD at physical quark masses
Xiang Gao, Andrew D. Hanlon, Swagato Mukherjee +5
We present a lattice quantum chromodynamics calculation of the -dependent isovector quark helicity parton distribution function (PDF) of the proton in the large momentum effecti…
Quark-Mass Dependence of Light-Nuclei Masses from Lattice QCD and Trace-Anomaly Contributions to Nuclear Bindings
Debsubhra Chakraborty, Noah Chavez, Xiang Gao +2
We present lattice QCD calculations of the masses of the deuteron, dineutron, Helium-3 and Helium-4 with physical sea quarks and valence quark masses corresponding to pion masses b…
Nucleon Parton Distribution Functions from Boosted Correlations in the Coulomb gauge
Xiang Gao, Jinchen He, Joshua Lin +4
Recently, a novel approach has been proposed to compute parton distributions through the use of boosted correlators fixed in the Coulomb gauge from lattice QCD, within the framewor…
Lattice-QCD validation of hadron mass and trace-anomaly decomposition sum rules
Dennis Bollweg, Heng-Tong Ding, Xiang Gao +2
We present the first lattice-QCD validation of multiple sum rules associated with quark-gluon decomposition of hadron mass by computing all components from first principles. We ach…
Skewness-dependent moments of the pion GPD from nonlocal quark-bilinear correlators
Xiang Gao, Swagato Mukherjee, Qi Shi +2
We present lattice QCD calculations of the odd Mellin moments of pion valence-quark generalized parton distribution (GPD) up to fifth order, , and for the skewn…
Lattice QCD Benchmark of Proton Helicity and Flavor-Dependent Unpolarized Transverse Momentum-Dependent Parton Distribution Functions at Physical Quark Masses
Dennis Bollweg, Xiang Gao, Swagato Mukherjee +1
We present the first lattice QCD calculations of the isovector helicity transverse momentum-dependent parton distribution function (TMDPDF) and the flavor-dependent unpolarized TMD…
Large-Momentum Effective Theory's Asymptotic Extrapolation vs the Inverse Problem
Jiunn-Wei Chen, Xiang Gao, Jinchen He +10
Large-Momentum Effective Theory (LaMET) is a physics-guided systematic expansion to calculate light-cone parton distributions, including collinear (PDFs) and transverse-momentum-de…
Transverse-momentum-dependent pion structures from lattice QCD: Collins-Soper kernel, soft factor, TMDWF, and TMDPDF
Dennis Bollweg, Xiang Gao, Jinchen He +2
We present the first lattice quantum chromodynamics (QCD) calculation of the pion valence-quark transverse-momentum-dependent parton distribution function (TMDPDF) within the frame…
Moments of Axial-Vector GPD from Lattice QCD: Quark Helicity, Orbital Angular Momentum, and Spin-Orbit Correlation
Shohini Bhattacharya, Krzysztof Cichy, Martha Constantinou +7
In this work, we present a lattice QCD calculation of the Mellin moments of the twist-2 axial-vector generalized parton distribution (GPD), , at zero skewness…
Systematic Uncertainties from Gribov Copies in Lattice Calculation of Parton Distributions in the Coulomb gauge
Xiang Gao, Jinchen He, Rui Zhang +1
Recently, it has been proposed to compute parton distributions from boosted correlators fixed in the Coulomb gauge within the framework of Large-Momentum Effective Theory. This met…
Comments on "Non-local Nucleon Matrix Elements in the Rest Frame"
Xiang Gao, Jinchen He, Yushan Su +2
In a recent paper, "Non-local Nucleon Matrix Elements in the Rest Frame" (Phys. Rev. D 111, 5 (2025)), it was observed that the next-to-leading order calculations of the renormaliz…
Non-perturbative Collins-Soper kernel: Chiral quarks and Coulomb-gauge-fixed quasi-TMD
Swagato Mukherjee, Dennis Bollweg, Xiang Gao +1
We present the first lattice QCD calculation of the rapidity anomalous dimension of transverse-momentum-dependent distributions (TMDs), i.e. the Collins-Soper (CS) kernel, employin…
Three-dimensional Imaging of Pion using Lattice QCD: Generalized Parton Distributions
Heng-Tong Ding, Xiang Gao, Swagato Mukherjee +4
In this work, we report a lattice calculation of -dependent valence pion generalized parton distributions (GPDs) at zero skewness with multiple values of the momentum transfer $…
Lattice QCD Calculation of -dependent Meson Distribution Amplitudes at Physical Pion Mass with Threshold Logarithm Resummation
Ian Cloet, Xiang Gao, Swagato Mukherjee +5
We present a lattice quantum chromodynamics (QCD) calculation of the -dependent pion and kaon distribution amplitudes (DA) in the framework of large momentum effective theory. T…
Lattice QCD calculation of the pion distribution amplitude with domain wall fermions at physical pion mass
Ethan Baker, Dennis Bollweg, Peter Boyle +6
We present a direct lattice QCD calculation of the -dependence of the pion distribution amplitude (DA), which is performed using the quasi-DA in large momentum effective theory…
Nonperturbative Collins-Soper Kernel from Chiral Quarks with Physical Masses
Dennis Bollweg, Xiang Gao, Swagato Mukherjee +1
We present a lattice QCD calculation of the rapidity anomalous dimension of quark transverse-momentum-dependent distributions, i.e., the Collins-Soper (CS) kernel, up to transverse…
QCD Predictions for Meson Electromagnetic Form Factors at High Momenta: Testing Factorization in Exclusive Processes
Heng-Tong Ding, Xiang Gao, Andrew D. Hanlon +6
We report the first lattice QCD computation of pion and kaon electromagnetic form factors, , at large momentum transfer up to 10 and 28 , respectively. Ut…
Proton Helicity GPDs from Lattice QCD
Joshua Miller, Shohini Bhattacharya, Krzysztof Cichy +7
First lattice QCD calculations of -dependent GPD have been performed in the (symmetric) Breit frame, where the momentum transfer is evenly divided between the initial and final…
Transversity PDFs of the proton from lattice QCD with physical quark masses
Xiang Gao, Andrew D. Hanlon, Swagato Mukherjee +4
We present a lattice QCD calculation of the transversity isovector- and isoscalar-quark parton distribution functions (PDFs) of the proton utilizing a perturbative matching at next…
Generalized Parton Distributions from Lattice QCD with Asymmetric Momentum Transfer: Axial-vector case
Shohini Bhattacharya, Krzysztof Cichy, Martha Constantinou +8
Recently, we made significant advancements in improving the computational efficiency of lattice QCD calculations for Generalized Parton Distributions (GPDs). This progress was achi…
GPDs in asymmetric frames
Shohini Bhattacharya, Krzysztof Cichy, Martha Constantinou +7
It is often taken for granted that Generalized Parton Distributions (GPDs) are defined in the "symmetric" frame, where the transferred momentum is symmetrically distributed between…