Chiral aspects of hadron structure

Details Chiral aspects of hadron structure Chiral aspects of hadron structure

2000-04-05

arxiv.org/abs/nucl-th/0004008v1

Phys.Lett.B481:21-25,2000

Physics

Nuclear Physics

Nuclear Theory

10 pages, latex, 2 ps figures, to appear in Phys. Lett. B

Scientific paper

10.1016/S0370-2693(00)00426-3

Chiral loop corrections for hadronic properties are considered in a constituent quark model. It is emphasized that the correct implementation of such corrections requires a sum over intermediate hadronic states. The leading non-analytic corrections are very important for baryon magnetic moments and explain the failure of the sum rule $(\mu_{\Sigma^{+}}+2\mu_{\Sigma^{-}})/\mu_{\Lambda}=-1$ predicted by the constituent quark model.

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