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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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DOI (Published version): 10.1016/S0920-5632(97)00026-1

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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spelling 2017-02-09T13:49:22.6761329 v2 31905 2017-02-09 A test of target independence of the ‘proton spin’ effect in semi-inclusive deep inelastic scattering 28a24f55687c82d6f3ee378ead3cf234 Graham Shore Graham Shore true false 2017-02-09 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 Conference Paper/Proceeding/Abstract Nuclear Physics B - Proceedings Supplements "54A" 1-2 122 126 09205632 30 9 1996 1996-09-30 10.1016/S0920-5632(97)00026-1 http://inspirehep.net/record/423661 COLLEGE NANME COLLEGE CODE Swansea University 2017-02-09T13:49:22.6761329 2017-02-09T13:49:22.2549734 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics G.M. Shore 1 Graham Shore 2
title A test of target independence of the ‘proton spin’ effect in semi-inclusive deep inelastic scattering
spellingShingle A test of target independence of the ‘proton spin’ effect in semi-inclusive deep inelastic scattering
Graham Shore
title_short A test of target independence of the ‘proton spin’ effect in semi-inclusive deep inelastic scattering
title_full A test of target independence of the ‘proton spin’ effect in semi-inclusive deep inelastic scattering
title_fullStr A test of target independence of the ‘proton spin’ effect in semi-inclusive deep inelastic scattering
title_full_unstemmed A test of target independence of the ‘proton spin’ effect in semi-inclusive deep inelastic scattering
title_sort A test of target independence of the ‘proton spin’ effect in semi-inclusive deep inelastic scattering
author_id_str_mv 28a24f55687c82d6f3ee378ead3cf234
author_id_fullname_str_mv 28a24f55687c82d6f3ee378ead3cf234_***_Graham Shore
author Graham Shore
author2 G.M. Shore
Graham Shore
format Conference Paper/Proceeding/Abstract
container_title Nuclear Physics B - Proceedings Supplements
container_volume "54A"
container_issue 1-2
container_start_page 122
publishDate 1996
institution Swansea University
issn 09205632
doi_str_mv 10.1016/S0920-5632(97)00026-1
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Physics{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Physics
url http://inspirehep.net/record/423661
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description 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
published_date 1996-09-30T13:09:36Z
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score 11.048194

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