Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2000-04-07
Phys.Lett.B489:143-147,2000
Physics
High Energy Physics
High Energy Physics - Lattice
9 pages, 4 figures
Scientific paper
10.1016/S0370-2693(00)00899-6
We explore methods of extrapolating lattice calculations of hadronic observables to the physical regime, while respecting the constraints of chiral symmetry and heavy quark effective theory. In particular, we extrapolate lattice results for magnetic moments of the spin-1/2 baryon octet to the physical pion mass and compare with experimental measurements. The success previously reported for extrapolations of the nucleon magnetic moments carries over to the Sigma baryons. A study of the residual discrepancies in the Xi baryon moments suggests that it is important to have new simulation data with a more realistic strange quark mass.
Hackett-Jones Emily J.
Leinweber Derek B. .
Thomas Anthony W.
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