Dynamical Twisted Mass Fermions with Light Quarks: Simulation and Analysis Details
Ph. Boucaud, P. Dimopoulos, F. Farchioni, R. Frezzotti, V. Gimenez, G., Herdoiza, K. Jansen, V. Lubicz, C. Michael, G. M\"unster, D. Palao, G.C., Rossi, L. Scorzato, A. Shindler, S. Simula, T. Sudmann, C. Urbach, U. Wenger,, ETM Collaboration
TL;DR
This paper details the simulation methods, tuning procedures, and analysis techniques used in lattice QCD calculations with twisted mass fermions, providing insights into their computational approach and results.
Contribution
It offers a comprehensive description of the simulation setup, tuning, and analysis methods for twisted mass fermions in lattice QCD, enhancing reproducibility and understanding.
Findings
Precise lattice QCD results with twisted mass fermions
Effective techniques for correlator computation and error estimation
Analysis of autocorrelation times and scale setting
Abstract
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.
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