The strangeness magnetic moment of the nucleon from FLIC fermions
D. B. Leinweber, S. Boinepalli, A. W. Thomas, A. G. Williams, R. D., Young, J. M. Zanotti, J. B. Zhang
TL;DR
This paper uses lattice QCD simulations and chiral extrapolation techniques to precisely determine the strangeness magnetic moment of the nucleon, aligning well with recent experimental data.
Contribution
It introduces a method to compute the strangeness magnetic moment from empirical moments and lattice QCD results, improving precision and consistency with experiments.
Findings
G_M^s = -0.043 +/- 0.026 μ_N
Results are consistent with recent experimental measurements
Uses modern chiral extrapolation and lattice QCD techniques
Abstract
By imposing the constraints of charge symmetry we show that the strangeness magnetic moment of the nucleon can be expressed in terms of empirical magnetic moments and ratios of valence quark magnetic moments. The latter are determined using modern chiral extrapolation techniques and recent low mass lattice QCD simulations of the individual quark contributions to the magnetic moments of the nucleon octet. The result is a precise determination of G_M^s, namely -0.043 +/- 0.026 mu_N, which is consistent with the latest experimental measurements.
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