Gluon EMC effects in nuclear matter

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dc.contributor.authorWang, X.-G.
dc.contributor.authorBentz, W.
dc.contributor.authorCloet, I.C.
dc.contributor.authorThomas, A.W.
dc.date.issued2022
dc.description.abstractWe investigate the gluonic structure of nuclei within a mean-field model of nuclear structure based upon the modification of the structure of a bound nucleon, with the nucleon described by the Nambu–Jona-Lasinio model. This approach has been shown to reproduce the European Muon Collaboration (EMC) effect, involving the ratio of the spin-independent structure functions of a heavier nucleus to that of the deuteron. It also predicts a significant nuclear modification for the spin structure functions, known as the polarized EMC effect. Here we report sizeable nuclear modifications of the gluon distributions (a 'gluon EMC effect') for the ratios of both the unpolarized and polarized gluon distributions in nuclear matter to those of a free nucleon.
dc.description.statementofresponsibilityX G Wang, W Bentz, I C Cloët and A W Thomas
dc.identifier.citationJournal of Physics G: Nuclear and Particle Physics, 2022; 49(3):03LT01-1-03LT01-10
dc.identifier.doi10.1088/1361-6471/ac4c90
dc.identifier.issn0954-3899
dc.identifier.issn1361-6471
dc.identifier.orcidWang, X.-G. [0000-0001-9164-0027]
dc.identifier.orcidThomas, A.W. [0000-0003-0026-499X]
dc.identifier.urihttps://hdl.handle.net/2440/134594
dc.language.isoen
dc.publisherIOP Publishing
dc.relation.granthttp://purl.org/au-research/grants/arc/CE200100008
dc.relation.granthttp://purl.org/au-research/grants/arc/DP180100497
dc.rights© 2022 IOP Publishing Ltd
dc.source.urihttps://doi.org/10.1088/1361-6471/ac4c90
dc.subjectGluon EMC effect; NJL model; mean-field modification
dc.titleGluon EMC effects in nuclear matter
dc.typeJournal article
pubs.publication-statusPublished

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