Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/12875
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Type: Journal article
Title: Meson cloud of the nucleon in polarized semi-inclusive deep-inelastic scattering
Author: Melnitchouk, W.
Thomas, A.
Citation: European Physical Journal A: Hadrons and Nuclei, 1995; A353(3):311-319
Publisher: Springer-Verlag
Issue Date: 1995
ISSN: 0340-2193
1434-601X
Abstract: We investigate the possibility of identifying an explicit pionic component of the nucleon through measurements of polarized Δ++ baryon fragments produced in deep-inelastic leptoproduction off polarized protons, which may help to identify the physical mechanism responsible for the breaking of the Gottfried sum rule. The pion-exchange model predicts highly correlated polarizations of the Δ++ and target proton, in marked contrast with the competing diquark fragmentation process. Measurement of asymmetries in polarized Λ production may also reveal the presence of a kaon cloud in the nucleon. © 1995, Springer-Verlag. All rights reserved.
DOI: 10.1007/BF01292337
Published version: http://dx.doi.org/10.1007/bf01292337
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