Quenched Chiral Behavior of Hadrons with Overlap Fermions

Details Quenched Chiral Behavior of Hadrons with Overlap Fermions Quenched Chiral Behavior of Hadrons with Overlap Fermions

2001-10-11

arxiv.org/abs/hep-lat/0110044v1

Nucl.Phys.Proc.Suppl.106:275-277,2002

Physics

High Energy Physics

High Energy Physics - Lattice

Lattice2001(spectrum), 3 pages, 4 figures (uses rotate.sty)

Scientific paper

10.1016/S0920-5632(01)01687-5

We study the quenched chiral behavior of hadrons with the pseudoscalar mass as low as $\approx 280$ MeV. We look for quenched chiral logs in the pion mass, determine the renormalized quark mass, and observe quenched artifacts in the $a_0$ and $N^*$ propagators. The calculation is done on a quenched lattice of size $20^4$ and $a = 0.148(2)$ fm using overlap fermions and an improved gauge action.

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