NDLI: Origin of three-body resonances

Content Provider	Springer Nature Link
Author	Garrido, E. Fedorov, D. V. Jensen, A. S.
Copyright Year	2005
Abstract	We expose the relation between the properties of the three-body continuum states and their two-body subsystems. These properties refer to their bound and virtual states and resonances, all defined as poles of the S-matrix. For one infinitely heavy core and two non-interacting light particles, the complex energies of the three-body poles are the sum of the two two-body complex pole-energies. These generic relations are modified by center-of-mass effects which alone can produce a Borromean system. We show how the three-body states evolve in 6He, 6Li, and 6Be when the nucleon-nucleon interaction is continuously switched on. The schematic model is able to reproduce the main properties in their spectra. Realistic calculations for these nuclei are shown in detail for comparison. The implications of a core with non-zero spin are investigated and illustrated for 17Ne ( 15O + p + p). Dimensionless units allow predictions for systems of different scales.
Starting Page	365
Ending Page	378
Page Count	14
File Format	PDF
ISSN	14346001
Journal	The European Physical Journal A - Hadrons and Nuclei
Volume Number	25
Issue Number	3
e-ISSN	1434601X
Language	English
Publisher	Società Italiana di Fisica
Publisher Date	2005-10-13
Publisher Place	Bologna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Elementary Particles and Nuclei Nuclear Physics, Heavy Ions, Hadrons Nuclear Fusion
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics

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