Unitarized Chiral Perturbation Theory in a finite volume: scalar meson sector

Details Unitarized Chiral Perturbation Theory in a finite volume: scalar meson sector Unitarized Chiral Perturbation Theory in a finite volume: scalar meson sector

2011-07-20

arxiv.org/abs/1107.3988v2

Physics

High Energy Physics

High Energy Physics - Lattice

15 pages, 17 figures

Scientific paper

We develop a scheme for the extraction of the properties of the scalar mesons f0(600), f0(980), and a0(980) from lattice QCD data. This scheme is based on a two-channel chiral unitary approach with fully relativistic propagators in a finite volume. In order to discuss the feasibility of finding the mass and width of the scalar resonances, we analyze synthetic lattice data with a fixed error assigned, and show that the framework can be indeed used for an accurate determination of resonance pole positions in the multi-channel scattering.

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