Excited States in Staggered Meson Propagators

Details Excited States in Staggered Meson Propagators Excited States in Staggered Meson Propagators

2003-09-16

arxiv.org/abs/hep-lat/0309117v1

Nucl.Phys.Proc.Suppl.129:230-232,2004

Physics

High Energy Physics

High Energy Physics - Lattice

Lattice2003(spectrum) 3 pages, 4 figures

Scientific paper

10.1016/S0920-5632(03)02539-8

We report on preliminary results from multi-particle fits to meson propagators with three flavors of light dynamical quarks. We are able to measure excited states in propagators with pion quantum numbers, which we interpret as the pion 2S state, and is evidence of locality of the action. In the a_0 (0^{++}) propagators we find evidence for excited states which are probably the expected decay channels, pi+eta and K+Kbar.

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