| Leading SU(3)-breaking corrections to the baryon magnetic moments in chiral perturbation theory. | |
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MedLine Citation:
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PMID: 19113479 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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We calculate the baryon magnetic moments using covariant chiral perturbation theory (chiPT) within the extended-on-mass-shell renormalization scheme. By fitting the two available low-energy constants, we improve the Coleman-Glashow description of the data when we include the leading SU(3)-breaking effects coming from the lowest-order loops. This success is in dramatic contrast with previous attempts at the same order using heavy-baryon chiPT and covariant infrared chiPT. We also analyze the source of this improvement with particular attention to the comparison between the covariant results. |
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Authors:
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L S Geng; J Martin Camalich; L Alvarez-Ruso; M J Vicente Vacas |
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Publication Detail:
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Type: Journal Article Date: 2008-11-26 |
Journal Detail:
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Title: Physical review letters Volume: 101 ISSN: 0031-9007 ISO Abbreviation: Phys. Rev. Lett. Publication Date: 2008 Nov |
Date Detail:
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Created Date: 2008-12-30 Completed Date: 2009-01-22 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401141 Medline TA: Phys Rev Lett Country: United States |
Other Details:
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Languages: eng Pagination: 222002 Citation Subset: - |
Affiliation:
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Departamento de Física Teórica and IFIC, Universidad de Valencia-CSIC, E-46071 Valencia, Spain. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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