Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
1998-09-24
Nucl.Phys.Proc.Suppl.73:294-296,1999
Physics
High Energy Physics
High Energy Physics - Lattice
LATTICE98(matrixelement), 3 pages, Latex, 6 eps figures
Scientific paper
10.1016/S0920-5632(99)85052-X
Nucleon form factors have been extensively studied both experimentally and theoretically for many years. We report here on new results of a high statistics quenched lattice QCD calculation of vector and axial-vector nucleon form factors at low momentum transfer within the Symanzik improvement programme. The simulations are performed at three kappa and three beta values allowing first an extrapolation to the chiral limit and then an extrapolation in the lattice spacing to the continuum limit. The computations are all fully non-perturbative. A comparison with experimental results is made.
Capitani Stefano
Göckeler Meinulf
Horsley Roger
Klaus Bernd
Oelrich H.
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