Large-momentum effective theory
Since the parton model was introduced by Feynman more than 50 years ago, much has
been learned about the partonic structure of the proton through a large body of high-energy …
been learned about the partonic structure of the proton through a large body of high-energy …
Parton distributions and lattice-QCD calculations: Toward 3D structure
M Constantinou, A Courtoy, MA Ebert… - Progress in Particle and …, 2021 - Elsevier
The strong force which binds hadrons is described by the theory of quantum
chromodynamics (QCD). Determining the character and manifestations of QCD is one of the …
chromodynamics (QCD). Determining the character and manifestations of QCD is one of the …
Parton distributions and lattice QCD calculations: a community white paper
In the framework of quantum chromodynamics (QCD), parton distribution functions (PDFs)
quantify how the momentum and spin of a hadron are divided among its quark and gluon …
quantify how the momentum and spin of a hadron are divided among its quark and gluon …
Unpolarized and helicity generalized parton distributions of the proton within lattice QCD
C Alexandrou, K Cichy, M Constantinou… - Physical review …, 2020 - APS
We present the first calculation of the x dependence of the proton generalized parton
distributions (GPDs) within lattice QCD. Results are obtained for the isovector unpolarized …
distributions (GPDs) within lattice QCD. Results are obtained for the isovector unpolarized …
Generalized parton distributions from lattice QCD with asymmetric momentum transfer: Unpolarized quarks
S Bhattacharya, K Cichy, M Constantinou, J Dodson… - Physical Review D, 2022 - APS
Traditionally, lattice QCD computations of generalized parton distributions (GPDs) have
been carried out in a symmetric frame, where the transferred momentum is symmetrically …
been carried out in a symmetric frame, where the transferred momentum is symmetrically …
Moments of proton GPDs from the OPE of nonlocal quark bilinears up to NNLO
For the first time, we present a lattice QCD determination of Mellin moments of unpolarized
generalized parton distributions (GPDs) of the proton from an analysis of the quasi-GPD …
generalized parton distributions (GPDs) of the proton from an analysis of the quasi-GPD …
Exploring Partonic Structure of Hadrons Using ab initio Lattice QCD Calculations
Following our previous proposal, we construct a class of good “lattice cross sections”(LCSs),
from which we can study the partonic structure of hadrons from ab initio lattice QCD …
from which we can study the partonic structure of hadrons from ab initio lattice QCD …
A Guide to Light‐Cone PDFs from Lattice QCD: An Overview of Approaches, Techniques, and Results
K Cichy, M Constantinou - Advances in High Energy Physics, 2019 - Wiley Online Library
Within the theory of Quantum Chromodynamics (QCD), the rich structure of hadrons can be
quantitatively characterized, among others, using a basis of universal nonperturbative …
quantitatively characterized, among others, using a basis of universal nonperturbative …
[HTML][HTML] The x-dependence of hadronic parton distributions: A review on the progress of lattice QCD
M Constantinou - The European Physical Journal A, 2021 - Springer
In this article, we review recent lattice calculations on the x-dependence of parton
distributions, with the latter providing information on hadron structure. These calculations are …
distributions, with the latter providing information on hadron structure. These calculations are …
Pion valence structure from Ioffe-time parton pseudodistribution functions
We present a calculation of the pion valence quark distribution extracted using the formalism
of reduced Ioffe-time pseudodistributions or more commonly known as pseudo-PDFs. Our …
of reduced Ioffe-time pseudodistributions or more commonly known as pseudo-PDFs. Our …