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Title: Dynamical twisted mass fermions with light quarks: simulation and analysis details
Authors: ETM Collaboration
Boucaud, Ph.
Dimopoulos, P.
Farchioni, F.
Frezzotti, R.
Gimenez, V.
Herdoiza, G.
Jansen, K.
Lubicz, Vittorio
Michael, C.
Munster, G.
Palao, D.
Rossi, G.C.
Scorzato, L.
Shindler, A.
Simula, Silvano
Sudmann, T.
Urbach, C.
Wenger, U.
Keywords: Lattice gauge theory
Lattice QCD
Hybrid Monte Carlo algorithm
Stochastic quark propagators
Issue Date: 15-Nov-2008
Publisher: Elsevier
Abstract: In a recent paper [ETMC, P. 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.
DOI: 10.1016/j.cpc.2008.06.013
Appears in Collections:A - Articolo su rivista
X_Dipartimento di Fisica 'Edoardo Amaldi'

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