New Quark Distributions and Semi-Inclusive Electroproduction on Polarized Nucleons

Abstract

The quark-parton model calculation including the effects of intrinsic transverse momentum and of all six twist-two distribution functions of quarks in polarized nucleons is performed. It is demonstrated that new twist-two quark distribution functions and polarized quark fragmentation functions can be investigated in semi-inclusive DIS at leading order in $Q^2$. The general expression for the cross-section of semi-inclusive DIS of polarized leptons on polarized nucleons in terms of structure functions is also discussed.

Typographical correction in eqs. 47, 48; eqs. 45, 57 corrected

References in corpus (6)

• Fragmentation of Transversely Polarized Quarks Probed in Transverse Momentum Distributions
• Novel Quark Fragmentation Functions and the Nucleon's Transversity Distribution
• Spin Asymmetry in Muon--Proton Deep Inelastic Scattering on a Transversely-Polarized Target
• Time Reversal Odd Fragmentation Functions in Semi-Inclusive Scattering of Polarized Leptons from Unpolarized Hadrons
• Quark correlation functions in deep inelastic semi-inclusive processes
• Polarization of Valence and Sea Quarks in the Proton

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