ar X iv : h ep - l at / 0 30 90 51 v 1 1 2 Se p 20 03 1 Simulations in the ǫ - Regime of Chiral Perturbation Theory ∗

Abstract

We discuss the potential of Ginsparg-Wilson fermion simulations in the ǫ-regime of chiral perturbation theory, regarding the determination of the leading low energy constants of the effective chiral Lagrangian. It turns out to be very hard to measure observables in the topologically trivial sector. There a huge statistics would be required, due to the… (More)

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@inproceedings{Nagai2003arXI, title={ar X iv : h ep - l at / 0 30 90 51 v 1 1 2 Se p 20 03 1 Simulations in the ǫ - Regime of Chiral Perturbation Theory ∗}, author={K. - I. Nagai and Wolfgang Bietenholz and T. Chiarappa and K. Jansen and S. Shcheredin}, year={2003} }