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 …

QCD and strongly coupled gauge theories: challenges and perspectives

N Brambilla, S Eidelman, P Foka, S Gardner… - The European Physical …, 2014 - Springer
We highlight the progress, current status, and open challenges of QCD-driven physics, in
theory and in experiment. We discuss how the strong interaction is intimately connected to a …

Standard model anatomy of WIMP dark matter direct detection. II. QCD analysis and hadronic matrix elements

RJ Hill, MP Solon - Physical Review D, 2015 - APS
Models of weakly interacting massive particles (WIMPs) specified at the electroweak scale
are systematically matched to effective theories at hadronic scales where WIMP-nucleus …

Nucleon structure from mixed action calculations using flavors <?format ?>of asqtad sea and domain wall valence fermions

JD Bratt, RG Edwards, M Engelhardt, P Hägler… - Physical Review D …, 2010 - APS
We present high statistics results for the structure of the nucleon from a mixed-action
calculation using 2+ 1 flavors of asqtad sea and domain-wall valence fermions. We perform …

Isovector electromagnetic form factors of the nucleon from lattice QCD and the proton radius puzzle

D Djukanovic, T Harris, G von Hippel, PM Junnarkar… - Physical Review D, 2021 - APS
We present results for the isovector electromagnetic form factors of the nucleon computed on
the coordinated lattice simulations ensembles with N f= 2+ 1 flavors of O (a)-improved …

First determination of the weak charge of the proton

D Androic, DS Armstrong, A Asaturyan, T Averett… - Physical review …, 2013 - APS
The Q weak experiment has measured the parity-violating asymmetry in e→ p elastic
scattering at Q 2= 0.025 (GeV/c) 2, employing 145 μ A of 89% longitudinally polarized …

Nucleon form factors, generalized parton distributions and quark angular momentum

M Diehl, P Kroll - The European Physical Journal C, 2013 - Springer
We extract the individual contributions from u and d quarks to the Dirac and Pauli form
factors of the proton, after a critical examination of the available measurements of …

Flavor decomposition of the elastic nucleon electromagnetic form factors

GD Cates, CW De Jager, S Riordan… - Physical Review Letters, 2011 - APS
The u-and d-quark contributions to the elastic nucleon electromagnetic form factors have
been determined by using experimental data on GE n, GM n, GE p, and GM p. Such a flavor …

Strange Quark Contributions to Parity-Violating Asymmetries<? format?> in the Backward Angle G0 Electron Scattering Experiment

D Androić, DS Armstrong, J Arvieux, SL Bailey… - Physical review …, 2010 - APS
We have measured parity-violating asymmetries in elastic electron-proton and quasielastic
electron-deuteron scattering at Q 2= 0.22 and 0.63 GeV 2. They are sensitive to strange …

Precision calculation of the electromagnetic radii of the proton and neutron from lattice QCD

D Djukanovic, G von Hippel, HB Meyer, K Ottnad… - Physical Review Letters, 2024 - APS
We present lattice-QCD results for the electromagnetic form factors of the proton and neutron
including both quark-connected and-disconnected contributions. The parametrization of the …