Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2008-03-03
Comput.Phys.Commun.179:695-715,2008
Physics
High Energy Physics
High Energy Physics - Lattice
March 2008. 59pp. Minor changes. Added references
Scientific paper
10.1016/j.cpc.2008.06.013
In a recent paper [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.
Boucaud Ph.
Dimopoulos Petros
ETM Collaboration
Farchioni Federico
Frezzotti Roberto
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