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Testing target independence of the ‘proton spin’ effect in semi-inclusive deep-inelastic scattering / G. Veneziano; Graham Shore

Nuclear Physics B, Volume: "B516", Issue: 1-2, Pages: 333 - 353

Swansea University Author: Graham, Shore

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Abstract

A natural consequence of the composite operator propagator-vertex description of deep inelastic scattering developed by the authors is that the anomalous suppression observed in the flavour singlet contribution to the first moment of the polarised proton structure function $g_1^p$ (the `proton spin&...

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Published in: Nuclear Physics B
ISSN: 05503213
Published: 1997
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URI: https://cronfa.swan.ac.uk/Record/cronfa31903
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Abstract: A natural consequence of the composite operator propagator-vertex description of deep inelastic scattering developed by the authors is that the anomalous suppression observed in the flavour singlet contribution to the first moment of the polarised proton structure function $g_1^p$ (the `proton spin' problem) is not a special property of the proton structure but is a target independent effect which can be related to an anomalous suppression in the QCD topological susceptibility. In this paper, it is shown how this target independent mechanism can be tested in semi-inclusive deep inelastic scattering in which a pion or D meson carrying a large target energy fraction $z$ is detected in the target fragmentation
College: College of Science
Issue: 1-2
Start Page: 333
End Page: 353