Abstract
We report on a scaling test of several mesonic observables in the non-perturbatively O(a) improved Wilson theory with two flavors of dynamical quarks. The observables are constructed in a fixed volume of 2.4 fm × (1.8 fm)3 with Schrodinger functional boundary conditions. No significant scaling violations are found. Using the kaon mass determined in [1], we update our estimate of the Lambda parameter to Λ(2)/mK = 0.52(6).
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