Lowest-lying spin-1/2 and spin-3/2 baryon magnetic moments in chiral perturbation theory

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2010 Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd
, , Citation L. S. Geng et al 2010 Chinese Phys. C 34 1307 DOI 10.1088/1674-1137/34/9/030

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Author e-mails

lsgeng@ific.uv.es

camalich@ific.uv.es

alvarez@teor.fis.uc.pt

vicente@ific.uv.es

Author affiliations

1 Departamento de Física Teórica and IFIC, Universidad de Valencia-CSIC, E-46071 Valencia, Spain

2 Centro de Física Computacional, Departamento de Física, Universidade de Coimbra, P3004–516 Coimbra, Portugal

Dates

  1. Received 19 January 2010
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1674-1137/34/9/1307

Abstract

We review some recent progress in our understanding of the lowest-lying spin-1/2 and spin-3/2 baryon magnetic moments (MMs) in terms of Chiral Perturbation Theory (ChPT). In particular, we show that at next-to-leading-order ChPT can describe the MMs of the octet baryons quite well. We also make predictions for the decuplet MMs at the same chiral order. Among them, the MMs of the Δ++ and Δ+ are found to agree well with data within the experimental uncertainties.

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