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arXiv · hep-lat/0008018

Incorporating Chiral Symmetry and Heavy Quark Theory in Extrapolations of Octet Baryon Charge Radii

E. J. Hackett-Jones·D. B. Leinweber·A. W. Thomas
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Abstract

We extrapolate lattice calculations of electric charge radii of the spin-1/2 baryon octet to the physical regime. The extrapolation procedure incorporates chiral perturbation theory and heavy quark effective theory in the appropriate limits. In particular, this procedure includes the non-analytic, logarithmic terms from pion loops. The electric charge radii of the nucleons and $Σ^-$ obtained from the chiral extrapolations agree well with experimental data. We make predictions for the charge radii of the remaining baryons in anticipation of future experimental measurements.

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E. J. Hackett-Jones, D. B. Leinweber, A. W. Thomas. 2000-08-23. Incorporating Chiral Symmetry and Heavy Quark Theory in Extrapolations of Octet Baryon Charge Radii. https://doi.org/10.1016/s0370-2693(00)01115-1

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