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

Nuclear Physics B - Proceedings Supplements, Volume: "54A", Issue: 1-2, Pages: 122 - 126

Swansea University Author: Graham, Shore

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Abstract

The target-independent suppression mechanism proposed as an explanation of the EMC-SMC `proton spin' effect is reviewed and compared to current experimental data. According to this proposal, the anomalous suppression observed in the first moment of the polarised proton structure function g_1~p...

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Published in: Nuclear Physics B - Proceedings Supplements
ISSN: 09205632
Published: 1996
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URI: https://cronfa.swan.ac.uk/Record/cronfa31905
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Abstract: The target-independent suppression mechanism proposed as an explanation of the EMC-SMC `proton spin' effect is reviewed and compared to current experimental data. According to this proposal, the anomalous suppression observed in the first moment of the polarised proton structure function g_1~p is not a special property of the proton structure, but reflects an anomalously small value of the first moment of the QCD topological susceptibility. It is shown how this mechanism can be tested in semi-inclusive DIS processes 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: 122
End Page: 126