EXOTIC CARBON SYSTEMS in TWO-NEUTRON HALO THREE-BODY MODELS

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2011-12-01
Autores
Tomio, Lauro
Delfino, Antonio
Frederico, Tobias
Hadizadeh, M. R.
Yamashita, M. T.
Marques de Carvalho, Raquel S. [UNIFESP]
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The general properties of exotic carbon systems, considered as a core with a two-neutron (n - n) halo, are described within a renormalized zero-range three-body model. in particular, it is addressed the cases with a core of (18)C and (20)C. in such a three-body framework, (20)C has a bound subsystem ((19)C), whereas (22)C has a Borromean structure with all subsystems unbound. (22)C is also known as the heaviest:, carbon halo nucleus discovered. the spatial distributions of such weakly-bound three-body systems are studied in terms of a universal scaling function, which depends on the mass ratio of the particles, as well as on the nature of the subsystems.
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International Journal of Modern Physics E-nuclear Physics. Singapore: World Scientific Publ Co Pte Ltd, v. 20, p. 254-262, 2011.
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