Particle-dimer approach for the Roper resonance in a finite volume

Abstract We propose a new finite-volume approach which implements two- and three-body dynamics in a transparent way based on an Effective Field Theory Lagrangian. The formalism utilizes a particle-dimer picture and formulates the quantization conditions based on the self-energy of the decaying parti...

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Bibliographic Details
Published in:	Journal of High Energy Physics
Main Authors:	Daniel Severt, Maxim Mai, Ulf-G. Meißner
Format:	Article
Language:	English
Published:	SpringerOpen 2023-04-01
Subjects:	Hadronic Spectroscopy Structure and Interactions Effective Field Theories of QCD Properties of Hadrons
Online Access:	https://doi.org/10.1007/JHEP04(2023)100

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