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[en] High precision measurements of the renormalized zero-momentum 4-point coupling gR and of the Luescher-Weisz-Wolff running coupling g-bar(L) Lm(L) performed with two different lattice actions in the non-perturbative region confirm the earlier observations, that the cutoff effects look linear, in contrast to perturbative considerations. The use of different actions allows one to make a more reliable estimate on the continuum limit. The measurements were done for infinite volume correlation length up to 350
Journal
Nuclear Physics. B, Proceedings Supplements; ISSN 0920-5632; 
; CODEN NPBSE7; v. 106-107(1-3); p. 911-913
; CODEN NPBSE7; v. 106-107(1-3); p. 911-913