The Pseudoscalar Decay Constant

Details The Pseudoscalar Decay Constant The Pseudoscalar Decay Constant

2004-11-15

arxiv.org/abs/hep-lat/0411019v1

Physics

High Energy Physics

High Energy Physics - Lattice

6 pages, 5 figures. To appear in the proceedings of Workshop on QCD Down Under, Barossa Valley and Adelaide, Australia, 10-19

Scientific paper

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.

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