The Sigma_c and Lamda_c magnetic moments from QCD spectral sum rules

Details The Sigma_c and Lamda_c magnetic moments from QCD spectral sum rules The Sigma_c and Lamda_c magnetic moments from QCD spectral sum rules

1997-08-20

arxiv.org/abs/hep-ph/9708411v1

Phys.Rev. D56 (1997) 7273-7275

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex file, two postscript figures

Scientific paper

10.1103/PhysRevD.56.7273

We use QCD spectral sum rules to extract the Sigma_c and Lambda_c magnetic moments. The elctromagnetic field is treated as the external field. We adopt the value of the susceptibility chi=-4.5 GeV^{-2}, which is determined from an overall analysis of the octet baryon magnetic moments. Our result for Sigma_c is in agreement with the quark model prediction, while slight deviation exists from the Lambda_c.

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