Chiral Properties of Quenched and Full QCD

Details Chiral Properties of Quenched and Full QCD Chiral Properties of Quenched and Full QCD

2001-11-22

arxiv.org/abs/hep-lat/0111041v2

Physics

High Energy Physics

High Energy Physics - Lattice

4 pages, 3 figures; Extensive revisions, including new lattice data analysed and presentation of results modified

Scientific paper

We extend a technique for the chiral extrapolation of hadron masses calculated with dynamical fermions to those generated by quenched simulations. The method ensures the correct leading and next-to-leading non-analytic behaviour for either QCD or quenched QCD in the chiral limit, as well as the correct large quark mass behaviour. We find that the primary difference between quenched and dynamical baryon masses can be described by the meson loops which give rise to the different leading and next-to-leading non-analytic behaviour.

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