arXiv · hep-ph/9511420
Longitudinal quark polarization in transversely polarized nucleons
Abstract
Accounting for transverse momenta of the quarks, a longitudinal quark spin asymmetry exists in a transversely polarized nucleon target. The relevant leading quark distribution $g_{1T}(x,k_T^2)$ can be measured in the semi-inclusive deep-inelastic scattering. The average $k_T^2$ weighted distribution function $g^{(1)}_{1T}$ can be obtained directly from the inclusive measurement of $g_2$.
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A. M. Kotzinian, P. J. Mulders. 1995-11-27. Longitudinal quark polarization in transversely polarized nucleons. https://doi.org/10.1103/physrevd.54.1229
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