Quenched scalar meson correlator with Domain Wall Fermions

Details Quenched scalar meson correlator with Domain Wall Fermions Quenched scalar meson correlator with Domain Wall Fermions

2002-09-18

arxiv.org/abs/hep-lat/0209132v1

Nucl.Phys.Proc.Suppl.119:822-824,2003

Physics

High Energy Physics

High Energy Physics - Lattice

Lattice2002(chiral), 3 pages

Scientific paper

10.1016/S0920-5632(03)80471-1

We study the singlet and non-singlet scalar-meson masses using domain wall fermions and the quenched approximation. The singlet mass is found to be smaller than the non-singlet mass and indicates that the lowest singlet meson state could be lighter than 1 GeV. The two-point functions for very small quark masses are compared with expectations from the small-volume chiral perturbation theory and the presence of fermionic zero modes.

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