Transversity and intrinsic motion of the constituents

Abstract

The probabilistic model of parton distributions, previously developed by one of the authors, is generalized to include the transversity distribution. When interference effects are attributed to quark level only, the intrinsic quark motion produces the transversity, which is about twice as large as the usual polarized distribution. The applicability of such a picture is considered and possible corrections, accounting for interference effects at the parton-hadron transition stage are discussed.

arXiv comment10 pages, 4 figures, Latex & PostScript files. This version will appear in Phys.Rev.D

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• SOFFER'S INEQUALITY
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Cited by in corpus (17)

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• The relation between TMDs and PDFs in the covariant parton model approach
• Comparative analysis of the transversities and the longitudinally polarized distribution functions of the nucleon
• On the importance of Lorentz structure in the parton model: target mass corrections, transverse momentum dependence, positivity bounds
• Parton distribution functions and quark orbital motion
• Structure of the nucleon at leading and subleading twist in the covariant parton model
• Insights on non-perturbative aspects of TMDs from models
• Generalized Cahn effect and parton 3D motion in a covariant approach
• Chiral-odd generalized parton distributions, transversity decomposition of angular momentum, and tensor charges of the nucleon
• Proton spin in leading order of the covariant approach
• The polarized TMDs in the covariant parton model approach
• Parton model description of quark and antiquark correlators and TMDs
• Quark-model relations among TMDs in the parton model
• On the role of quark orbital angular momentum in the proton spin
• Recent developments in nucleon spin structure with focus on h_{1L}^{\perp} and pretzelosity h_{1T}^\perp