Resonance properties from the finite-volume energy spectrum

Details Resonance properties from the finite-volume energy spectrum Resonance properties from the finite-volume energy spectrum

2008-06-27

arxiv.org/abs/0806.4495v1

JHEP0808:024,2008

Physics

High Energy Physics

High Energy Physics - Lattice

26 pages, 9 figures, 5 tables

Scientific paper

10.1088/1126-6708/2008/08/024

A new method based on the concept of probability distribution is proposed to analyze the finite volume energy spectrum in lattice QCD. Using synthetic lattice data, we demonstrate that for the channel with quantum numbers of the Delta-resonance a clear resonance structure emerges in such an analysis. Consequently, measuring the volume-dependence of the energy levels in lattice QCD will allow to determine the mass and the width of the Delta with reasonable accuracy.

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