Journal
COMPUTER PHYSICS COMMUNICATIONS
Volume 179, Issue 10, Pages 695-715Publisher
ELSEVIER
DOI: 10.1016/j.cpc.2008.06.013
Keywords
Lattice gauge theory; Lattice QCD; Hybrid Monte Carlo algorithm; Stochastic quark propagators
Funding
- STFC [ST/G00062X/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/G00062X/1] Funding Source: researchfish
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In a recent paper [ETMC, R Boucaud et al., Phys. Lett. B 650 (2007) 304, hep-lat/0701012] we presented precise lattice QCD results of our European Twisted Mass Collaboration (ETMC). They were obtained by employing two mass-degenerate flavours of twisted mass fermions at maximal twist. In the present paper we give details on our simulations and the computation of physical observables. In particular, we discuss the problem of tuning to maximal twist. the techniques we have used to compute correlators and error estimates. In addition, we provide more information on the algorithm used. the autocorrelation times and scale determination, the evaluation of disconnected contributions and the description of our data by means of chiral perturbation theory formulae. (c) 2008 Elsevier B. V. All rights reserved.
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