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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 |
Appears in Collections: | Aurora harvest 7 Physics publications |
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