Spin asymmetries for confined Dirac particles

Details Spin asymmetries for confined Dirac particles Spin asymmetries for confined Dirac particles

2003-08-27

arxiv.org/abs/nucl-th/0308078v1

Eur.Phys.J. A24S1 (2005) 143-147

Physics

Nuclear Physics

Nuclear Theory

4 pages, 4 figues; submitted to Phys. Lett. B

Scientific paper

We study the Bjorken `x' (or equivalently Nachtmann `xi') dependence of the virtual photon spin asymmetry in polarized deep inelastic scattering of electrons from hadrons. We use an exactly solved relativistic potential model of the hadron, treating the constituents as independent massless Dirac particles confined to an infinitely massive force center. The importance of including the p-wave components of the Dirac wave function is demonstrated. Comparisons are made to the observed data on the proton by taking into account the observed flavor dependence of the valence quark distribution functions.

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