Spin structure of the nucleon—status and recent results

SE Kuhn, JP Chen, E Leader - Progress in Particle and Nuclear Physics, 2009 - Elsevier
After the initial discovery of the so-called “spin crisis in the parton model” in the 1980s, a
large set of polarization data in deep inelastic lepton–nucleon scattering was collected at …

The spin structure of the nucleon

A Deur, SJ Brodsky… - Reports on Progress in …, 2019 - iopscience.iop.org
We review the present understanding of the spin structure of protons and neutrons, the
fundamental building blocks of nuclei collectively known as nucleons. The field of nucleon …

Orbital magnetic field effects in spin liquid with spinon Fermi sea: Possible application to

OI Motrunich - Physical Review B—Condensed Matter and Materials …, 2006 - APS
We consider orbital magnetic field effects in a spin liquid phase of a half-filled triangular
lattice Hubbard system close to the Mott transition, continuing an earlier exploration of a …

Dispersion relation analysis of the radiative corrections to gA in the neutron β-decay

M Gorchtein, CY Seng - Journal of High Energy Physics, 2021 - Springer
A bstract We present the first and complete dispersion relation analysis of the inner radiative
corrections to the axial coupling constant g A in the neutron β-decay. Using experimental …

Parton momentum and helicity distributions in the nucleon

P Jimenez-Delgado, W Melnitchouk… - Journal of Physics G …, 2013 - iopscience.iop.org
We review the current status of spin-averaged and spin-dependent parton distribution
functions (PDFs) of the nucleon. After presenting the formalism used to fit PDFs in modern …

Impact of hadronic and nuclear corrections on global analysis of spin-dependent parton distributions

P Jimenez-Delgado, A Accardi, W Melnitchouk… - Physical Review D, 2014 - APS
We present the first results of a new global next-to-leading order analysis of spin-dependent
parton distribution functions from the most recent world data on inclusive polarized deep …

What can break the Wandzura-Wilczek relation?

A Accardi, A Bacchetta, W Melnitchouk… - Journal of High Energy …, 2009 - iopscience.iop.org
We analyze the breaking of the Wandzura-Wilczek relation for the g 2 structure function,
emphasizing its connection with transverse momentum dependent parton distribution …

Determination of the proton spin structure functions for using CLAS

RG Fersch, N Guler, P Bosted, A Deur, K Griffioen… - Physical Review C, 2017 - APS
We present the results of our final analysis of the full data set of g 1 p (Q 2), the spin structure
function of the proton, collected using CLAS at Jefferson Laboratory in 2000–2001 …

Precision measurements of of the proton and of the deuteron with 6 GeV electrons

Y Prok, P Bosted, N Kvaltine, KP Adhikari, D Adikaram… - Physical Review C, 2014 - APS
The inclusive polarized structure functions of the proton and deuteron, g 1 p and g 1 d, were
measured with high statistical precision using polarized 6 GeV electrons incident on a …

Precise determination of the deuteron spin structure at low to moderate with CLAS and extraction of the neutron contribution

N Guler, RG Fersch, SE Kuhn, P Bosted, KA Griffioen… - Physical Review C, 2015 - APS
We present the final results for the deuteron spin structure functions obtained from the full
data set collected in 2000–2001 with Jefferson Lab's continuous electron beam accelerator …