Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/11111
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dc.contributor.authorHecht, M.en
dc.contributor.authorRoberts, C.en
dc.contributor.authorOettel, M.en
dc.contributor.authorThomas, A.en
dc.contributor.authorSchmidt, S.en
dc.contributor.authorTandy, P.en
dc.date.issued2002en
dc.identifier.citationPhysical Review C, 2002; 65(5):1-17en
dc.identifier.issn0556-2813en
dc.identifier.issn1089-490Xen
dc.identifier.urihttp://hdl.handle.net/2440/11111-
dc.description.abstractPoincaré covariant Faddeev equations for the nucleon and Δ are solved to illustrate that an internally consistent description in terms of confined-quark and non-point-like confined-diquark correlations can be obtained. πN-loop induced self-energy corrections to the nucleon’s mass are analyzed and shown to be independent of whether a pseudoscalar or pseudovector coupling is used. Phenomenological constraints suggest that this self-energy correction reduces the nucleon’s mass by up to several hundred MeV. That effect does not qualitatively alter the picture, suggested by the Faddeev equation, that baryons are quark-diquark composites. However, neglecting the π loops leads to a quantitative overestimate of the nucleon’s axial-vector diquark component.en
dc.description.statementofresponsibilityM. B. Hecht, C. D. Roberts, M. Oettel, A. W. Thomas, S. M. Schmidt, P. C. Tandyen
dc.language.isoenen
dc.publisherAmerican Physical Socen
dc.rights©2002 American Physical Societyen
dc.titleNucleon mass and pion loopsen
dc.typeJournal articleen
dc.identifier.rmid0020020656en
dc.identifier.doi10.1103/PhysRevC.65.055204en
dc.identifier.pubid60246-
pubs.library.collectionSpecial Research Centre for the Subatomic Structure of Matter publicationsen
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidThomas, A. [0000-0003-0026-499X]en
Appears in Collections:Special Research Centre for the Subatomic Structure of Matter publications

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