Dynamical description of the breakup of one-neutron halo nuclei 11Be and 19C

Abstract

We investigate the breakup of the one-neutron halo nuclei 11Be and 19C within a dynamical model of the continuum excitation of the projectile. The time evolution of the projectile in coordinate space is described by solving the three-dimensional time dependent Schroedinger equation, treating the projectile-target (both Coulomb and nuclear) interaction as a time dependent external perturbation. The pure Coulomb breakup dominates the relative energy spectra of the fragments in the peak region, while the nuclear breakup is important at higher relative energies. The coherent sum of the two contributions provides a good overall description of the experimental spectra. Cross sections of the first order perturbation theory are derived as a limit of our dynamical model. The dynamical effects are found to be of the order of 10-15% for the beam energies in the range of 60 - 80 MeV/nucleon. A comparison of our results with those of a post form distorted wave Born approximation shows that the magnitudes of the higher order effects are dependent on the theoretical model.

15 pages, ReVTeX, 5 figures, typos corrected, accepted for publication in Physical Review C

References in corpus (3)

• Projectile structure effects in the Coulomb breakup of one-neutron halo nuclei
• Structure of ^{19}C from Coulomb dissociation studies
• Core excitation in Coulomb breakup reactions

Cited by in corpus (20)

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• Probing neutron correlations through nuclear break-up
• Coulomb corrected eikonal description of the breakup of halo nuclei
• Analysis of Coulomb breakup experiments of 8B with a dynamical eikonal approximation
• Reliable extraction of the $dB(E1)/dE$ for ${}^{11}$Be from its breakup at 520 MeV/nucleon
• Influence of the projectile description on breakup calculations
• Dissecting reaction calculations using Halo EFT and ab initio input
• Study of Postacceleration Effects in the Coulomb Dissociation of Neutron Halo Nuclei
• All orders breakup of heavy exotic nuclei in a semiclassical model
• Coulomb breakup effects on the optical potentials of weakly bound nuclei
• Breakup reaction models for two- and three-cluster projectiles
• Coulomb-nuclear interference in the breakup of ${}^{11}$Be
• Semi-microscopic folding model for the description of two-body halo nuclei
• Nuclear break-up of 11Be
• A full quantal theory of one-neutron halo breakup reactions
• Interference effects in the Coulomb dissociation of 15,17,19C
• Beam energy dependence of Coulomb-nuclear interference in the breakup of 11Be