Resonance properties from the finite-volume energy spectrum
High Energy Physics - Lattice
2012-06-13 v2 High Energy Physics - Phenomenology
Abstract
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.
Cite
@article{arxiv.0806.4495,
title = {Resonance properties from the finite-volume energy spectrum},
author = {Veronique Bernard and Michael Lage and Ulf-G. Meißner and Akaki Rusetsky},
journal= {arXiv preprint arXiv:0806.4495},
year = {2012}
}
Comments
26 pages, 9 figures, 5 tables, tex typos in formulae A.1 and A.5 removed