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Type: Journal article
Title: Parton distributions for the octet and decuplet baryons
Author: Boros, C.
Thomas, A.
Citation: Physical Review D: Particles, Fields, Gravitation and Cosmology, 1999; 60(7):074017-
Publisher: American Physical Society
Issue Date: 1999
ISSN: 0556-2821
Statement of
C. Boros and A. W. Thomas
Abstract: We calculate the parton distributions for both polarized and unpolarized octet and decuplet baryons, using the MIT bag, dressed by mesons. We show that the hyperfine interaction responsible for the Δ-N and Σ⁰-Λ splittings leads to large deviations from SU(3) and SU(6) predictions. For the Λ we find significant polarized, non-strange parton distributions which lead to a sizable Λ polarization in polarized, semi-inclusive ep scattering. We also discuss the flavor symmetry violation arising from the meson cloud associated with the chiral structure of baryons.
Rights: ©1999 American Physical Society
DOI: 10.1103/PhysRevD.60.074017
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Special Research Centre for the Subatomic Structure of Matter publications

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