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Type: Journal article
Title: Incorporating chiral symmetry and heavy quark theory in extrapolations of octet baryon charge radii
Author: HackettJones, E.
Leinweber, D.
Thomas, A.
Citation: Physics Letters B: Nuclear Physics and Particle Physics, 2000; 494(1-2):89-99
Publisher: Elsevier Science BV
Issue Date: 2000
ISSN: 0370-2693
Statement of
E. J. Hackett-Jones, D. B. Leinweber and A. W. Thomas
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
DOI: 10.1016/S0370-2693(00)01115-1
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Special Research Centre for the Subatomic Structure of Matter publications

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