The pseudoscalar decay constant
Copyright policy )The pseudoscalar decay constant
We discuss insights that may be drawn from our recent 2 flavour O(a)--improved Wilson quark simulations. We discuss the evidence of the onset of chiral logarithms in the pion decay constant. An overview is given of current extrapolation methods and a modification of chiral perturbation theory is presented as an approach for sensibly extrapolating to the physical quark masses.
6 pages, 5 figures. To appear in the proceedings of Workshop on QCD Down Under, Barossa Valley and Adelaide, Australia, 10-19 Mar 2004
- Argonne National Laboratory United States
- University of Liverpool United Kingdom
Nuclear Theory (nucl-th), High Energy Physics - Lattice, Nuclear Theory, High Energy Physics - Lattice (hep-lat), FOS: Physical sciences, QC
Nuclear Theory (nucl-th), High Energy Physics - Lattice, Nuclear Theory, High Energy Physics - Lattice (hep-lat), FOS: Physical sciences, QC
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