Efimov effect in nuclear three-body resonance decays

Details Efimov effect in nuclear three-body resonance decays Efimov effect in nuclear three-body resonance decays

2006-03-08

arxiv.org/abs/nucl-th/0603023v1

Phys.Rev.Lett. 96 (2006) 112501

Physics

Nuclear Physics

Nuclear Theory

Scientific paper

10.1103/PhysRevLett.96.112501

We investigate the effects of the nearly fulfilled Efimov conditions on the properties of three-body resonances. Using the hyper-spheric adiabatic expansion method we compute energy distributions of fragments in a three-body decay of a nuclear resonance. As a realistic example we investigate the 1- state in the halo nucleus 11Li within a three-body 9Li+n+n model. Characteristic features appear as sharp peaks in the energy distributions. Their origin, as in the Efimov effect, is in the large two-body s-wave scattering lengths between the pairs of fragments.

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