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Cluster model with core excitations. The Be-11 example

S. N. Ershov ; J. S. Vaagen ; Mikhail V. Zhukov (Institutionen för fundamental fysik)
Physics of Atomic Nuclei (1063-7788). Vol. 77 (2014), 8, p. 989-998.
[Artikel, refereegranskad vetenskaplig]

Bound states and low-lying resonances of the Be-11 one-neutron halo nucleus have been calculated within a two-body cluster model with core excitation. The lowest Be-10 core excited 2(+) state was considered as a quadrupole vibration. Shallow potentials were applied for neutron-core interaction, preventing motion in Pauli forbidden orbits. A good description of available experimental data including dipole excitations of Be-11 was obtained. For the bound 1/2(-) excited state the wave-function component gives the dominant contribution to the structure, which differs from results obtained in cluster models with deep potentials.

Denna post skapades 2014-09-30. Senast ändrad 2014-12-05.
CPL Pubid: 203536


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Institutionen för fundamental fysik (2005-2015)



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