Magnetic Moment of the $Ω^-$ in QCD sumrule (QCDSR)

Details Magnetic Moment of the $Ω^-$ in QCD sumrule (QCDSR) Magnetic Moment of the $Ω^-$ in QCD sumrule (QCDSR)

1999-06-24

arxiv.org/abs/hep-ph/9906479v1

Phys.Lett. B477 (2000) 125-129

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages latex paper, no figure

Scientific paper

10.1016/S0370-2693(00)00182-9

The $\Omega ^-$ magnetic moment was measured very accurately and experimentalists remarked that it differs from the theoretical estimates, thus posing a challenge to the latter. One such estimation uses QCDSR. We revisit this sumrule method, using condensate parameters which were obtained from fitting the differences ($\mu_p - \mu_n$), ($\mu_{\Sigma^+}- \mu_{\Sigma^-}$) and ($\mu_{\Xi^0} - \mu_{\Xi^-}$) and confirm the experimental number. The $\mu_{\Delta^{++}}$ is also found to agree with the experimental estimate.

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