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HK: Fachverband Physik der Hadronen und Kerne

HK 40: Theorie

HK 40.6: Talk

Thursday, March 13, 2008, 18:00–18:15, 2F

Three-body bound states in finite volume with effective field theory — •Simon Kreuzer and Hans-Werner Hammer — Helmholtz-Institut für Strahlen- und Kernphysik (Theorie), Universität Bonn

In lattice simulations, a good understanding of the finite-volume dependence of the calculated observables is required to establish a quantitative connection to experiment. We investigate the volume dependence of the three-body system using an Effective Field Theory for short-range forces. We develop an expansion of the 3-body bound state amplitude in partial waves and show first results for the shift in the binding energy.