Comment on ``Lattice QCD analysis of the strangeness magnetic moment of the nucleon''
Abstract
The recent chirally extrapolated result of Leinweber and Thomas [Phys. Rev. D 62, 074505 (2000), or LT] for the nucleon strangeness form factor GMs(0)= -0.16 0.18 μN differs markedly from the earlier result -0.75 0.30 μN obtained by Leinweber [Phys. Rev. D 53, 5115 (1996)] from the same lattice data. An unresolved problem in the LT analysis of lattice data is identified and addressed. A value of GMs(0) = -0.55 0.37 μN is obtained at Rsd = 0.55 by extrapolating only the nucleon isoscalar lattice data.
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