Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2003-06-26
Phys.Rev. D68 (2003) 114502
Physics
High Energy Physics
High Energy Physics - Lattice
16 pages LaTeX
Scientific paper
10.1103/PhysRevD.68.114502
Properties of the proton and neutron are studied in partially-quenched chiral perturbation theory at finite lattice spacing. Masses, magnetic moments, the matrix elements of isovector twist-2 operators and axial-vector currents are examined at the one-loop level in a double expansion in the light-quark masses and the lattice spacing. This work will be useful in extrapolating the results of simulations using Wilson valence and sea quarks, as well as simulations using Wilson sea quarks and Ginsparg-Wilson valence quarks, to the continuum.
Beane Silas R.
Savage Martin J.
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