A non-perturbative determination of ZV and bV for O(a) improved quenched and unquenched Wilson fermions
T. Bakeyev, M. Gockeler, R. Horsley, D. Pleiter, P. E. L. Rakow, A. Schafer, G. Schierholz, H. Stuben
Abstract
By considering the local vector current between nucleon states and imposing charge conservation we determine, for O(a) improved Wilson fermions, its renormalisation constant and quark mass improvement coefficient. The computation is performed for both quenched and two flavour unquenched fermions.
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