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[en] As a test of quenched lattice twisted mass QCD, we compute the non-perturbatively O(a) improved pseudoscalar and vector meson masses and the pseudoscalar decay constant down to MPS/MV = 0.467(13) at β = 6 in large volume. We check the absence of exceptional configurations and - by further data at β = 6.2 - the size of scaling violations. The CPU time cost for reaching a given accuracy is close to that with ordinary Wilson quarks at MPS/MV ≅ 0.6 and grows smoothly as MPS/MV decreases
Journal
Nuclear Physics. B, Proceedings Supplements; ISSN 0920-5632; 
; CODEN NPBSE7; v. 106-107(1-3); p. 260-262
; CODEN NPBSE7; v. 106-107(1-3); p. 260-262