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19932026
most citedThe Seventh Data Release of the Sloan Digital Sky Survey

5.4k citations

Showing 2016 · hep-phShow all

6 papers · 2 filters

hep-ph2016★ 6 cited

Transverse Force on Transversely Polarized Quarks in Longitudinally Polarized Nucleons

Manal Abdallah, Matthias Burkardt

We study the semi-classical interpretation of the and moments of twist-3 parton distribution functions (PDFs). While no semi-classical interpretation for the higher mom…

hep-ph2016★ 14 cited

Inclusive Single-Spin Asymmetries, Quark-Photon, and Quark-Quark Correlations

Matthias Burkardt

We consider quark-photon correlations that have been proposed as a source for single-spin asymmetries in inclusive deep-inelastic scattering. A new sum rule for these correlators i…

hep-ph2016★ 14 cited

Angular Momentum Distribution in the Transverse Plane

Lekha Adhikari, Matthias Burkardt

Several possibilities to relate the -dependence of Generalized Parton Distributions (GPDs) to the distribution of angular momentum in the transverse plane are discussed. Using a…

hep-ph2016

Quark-Photon-Quark Correlation and Transverse Target Single Spin Asymmetry in Inclusive DIS

Matthias Burkardt, Tareq Alhalholy

We calculate the q q correlation function associated to transverse target lepton-nucleon inclusive deep-inelastic scattering by direct evaluation of the corresponding matrix elemen…

hep-ph2016

Two Photon Exchange in Impact Parameter Space in the Relativistic Eikonal Approximation for Elastic e - N Scattering

Tareq Alhalholy, Roman Höllwieser

Using the relativistic Eikonal approximation, we study the one and two photon exchange amplitudes in elastic electron-nucleon scattering for the case of transversely polarized nucl…

hep-ph2016★ 38 cited

Parton Transverse Momentum and Orbital Angular Momentum Distributions

Abha Rajan, Aurore Courtoy, Michael Engelhardt +1

The quark orbital angular momentum component of proton spin, , can be defined in QCD as the integral of a Wigner phase space distribution weighting the cross product of the qu…