The parity partner of the nucleon in quenched QCD with domain wall fermions

Details The parity partner of the nucleon in quenched QCD with domain wall fermions The parity partner of the nucleon in quenched QCD with domain wall fermions

1999-09-11

arxiv.org/abs/hep-lat/9909093v1

Nucl.Phys.Proc.Suppl. 83 (2000) 206-208

Physics

High Energy Physics

High Energy Physics - Lattice

LATTICE99(QCD spectrum), Latex with espcrc2.sty, 3 pages, 3 figures, RBRC preprint

Scientific paper

We present preliminary results for the mass spectrum of the nucleon and its low-lying excited states from quenched lattice QCD using the domain wall fermion method which preserves the chiral symmetry at finite lattice cutoff. Definite mass splitting is observed between the nucleon and its parity partner. This splitting grows with decreasing valence quark mass. We also present preliminary data regarding the first positive-parity excited state.

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