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Resonances in three-body systems with short and long-range interactions

AuthorsGarrido, Eduardo ; Fedorov, D.V.; Jensen, A.S.
Issue Date15-Jun-2007
CitationNuclear Physics A 790(1-4): 96c–102c (2007)
AbstractThe complex scaling method permits calculations of few-body resonances with the correct asymptotic behaviour using a simple box boundary condition at a sufficiently large distance. This is also valid for systems involving more than one charged particle. We first apply the method on two-body systems. Three-body systems are then investigated by use of the (complex scaled) hyperspheric adiabatic expansion method. The case of the 2+ resonance in 6Be and 6Li is considered. Radial wave functions are obtained showing the correct asymptotic behaviour at intermediate values of the hyperradii, where wave functions can be computed fully numerically.
Description7 pages, 9 figures.--Presented at the "18th International IUPAP Conference on Few-Body Problems in Physics" (Santos, Brazil, August 21-26, 2006.--ArXiv pre-print available at: http://arxiv.org/abs/nucl-th/0701040v1
Publisher version (URL)http://dx.doi.org/10.1016/j.nuclphysa.2007.03.033
Appears in Collections:(CFMAC-IEM) Artículos
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