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18 April 2024 |
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Article overview
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Recent developments in the eikonal description of the breakup of exotic nuclei | | P. Capel
; F. Colomer
; H. Esbensen
; T. Fukui
; R.C. Johnson
; F.M. Nunes
; K. Ogata
; | | Date: |
18 Nov 2015 | | Abstract: | The study of exotic nuclear structures, such as halo nuclei, is usually
performed through nuclear reactions. An accurate reaction model coupled to a
realistic description of the projectile is needed to correctly interpret
experimental data. In this contribution, we briefly summarise the assumptions
made within the modelling of reactions involving halo nuclei. We describe
briefly the Continuum-Discretised Coupled Channel method (CDCC) and the
Dynamical Eikonal Approximation (DEA) in particular and present a comparison
between them for the breakup of 15C on Pb at 68AMeV. We show the problem faced
by the models based on the eikonal approximation at low energy and detail a
correction that enables their extension down to lower beam energies. A new
reaction observable is also presented. It consists of the ratio between angular
distributions for two different processes, such as elastic scattering and
breakup. This ratio is completely independent of the reaction mechanism and
hence is more sensitive to the projectile structure than usual reaction
observables, which makes it a very powerful tool to study exotic structures far
from stability. | | Source: | arXiv, 1511.5729 | | Services: | Forum | Review | PDF | Favorites | |
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