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Magnetic moments of heavy baryons

AuthorsBañuls Polo, M. Carmen; Scimemi, Ignazio; Bernabéu, José ; Giménez Gómez, Vicente ; Pich, Antonio
Issue Date18-Feb-2000
PublisherAmerican Physical Society
CitationPhysical review D 61(7): 074007 (2000)
AbstractThe first nontrivial chiral corrections to the magnetic moments of triplet (T) and sextet (S(*)) heavy baryons are calculated using heavy hadron chiral perturbation theory. Since magnetic moments of the T hadrons vanish in the limit of infinite heavy quark mass (mQ→∞), these corrections occur at order O(1/(mQΛχ2)) for T baryons, while for S(*) baryons they are of order O(1/Λχ2). The renormalization of the chiral loops is discussed, and relations among the magnetic moments of different hadrons are provided. Previous results for T baryons are revised.
Description6 páginas, 2 figuras, 4 tablas.-- PACS number(s): 12.39.Fe, 12.39.Hg, 14.20.Lq, 14.20.Mr
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevD.61.074007
Appears in Collections:(IFIC) Artículos
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