Hadronic decay width from finite-volume energy spectrum in lattice QCD
classification
✦ hep-lat
keywords
resonancedetermineenergyspectrumwidthanalysisapproachconcept
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The standard approach to determine the parameters of a resonance is based on the study of the volume dependence of the energy spectrum. In this work we study a non-linear sigma model coupled to a scalar field in which a resonance emerges. Using an analysis method introduced recently, based on the concept of probability distribution, it is possible to determine the mass and the width of the resonance.
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