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Journal of High Energy Physics

, 2012:23

First Online: 07 September 2012Received: 29 May 2012Revised: 30 July 2012Accepted: 14 August 2012 Abstract

Using the language of non-relativistic effective Lagrangians, we formulate a systematic framework for the calculation of resonance matrix elements in lattice QCD. The generalization of the Lüscher-Lellouch formula for these matrix elements is derived. We further discuss in detail the procedure of the analytic continuation of the resonance matrix elements into the complex energy plane and investigate the infinite-volume limit.

KeywordsLattice Quantum Field Theory Lattice Gauge Field Theories ArXiv ePrint: 1205.4642

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Autor: V. Bernard - D. Hoja - U.-G. Meißner - A. Rusetsky


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