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Type: Conference paper
Title: Power counting regime of chiral extrapolation and beyond
Author: Leinweber, D.
Thomas, A.
Young, R.
Citation: Proceedings of Science: XXIIIrd International Symposium on Lattice Field Theory: pp.048/1-048/6
Publisher: Scuola Internazionale Superiore di Studi Avanzati
Publisher Place: Italy
Issue Date: 2005
ISSN: 1824-8039
Conference Name: International Symposium on Lattice Field Theory (23rd : 2005 : Dublin, Ireland)
Editor: Irving, A.
McNeile, C.
Michael, C.
Statement of
Derek B. Leinweber, Anthony W. Thomas and Ross D. Young
Abstract: Finite-range regularised chiral effective field theory is presented in the context of approximation schemes ubiquitous in modern lattice QCD calculations. Using FRR techniques, the power-counting regime (PCR) of chiral perturbation theory can be estimated. To fourth-order in the expansion at the 1% tolerance level, we find 0 ≤ mπ < 180 MeV for the PCR, extending only a small distance beyond the physical pion mass.
Rights: Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence.
DOI: 10.22323/1.020.0048
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Appears in Collections:Aurora harvest 6
Special Research Centre for the Subatomic Structure of Matter publications

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