Deformation or spherical symmetry in 10Be and the inversion of 1/2- - 1/2+ states in 11Be

Abstract : For a core plus one neutron system like 11Be we have calculated the energies of the 1/2- and 1/2+ states assuming a deformation of the core deduced from the low energy 2+ state properties or taking into account the coupling of the neutron with this 2+ state interpreted as a spherical one-phonon state. We have shown that the two derivations yield identical results if the phonon energy is neglected in the second derivation and close results in the general case.
Document type :
Preprints, Working Papers, ...
2007


https://hal.archives-ouvertes.fr/hal-00189370
Contributor : Nicole Vinh Mau <>
Submitted on : Tuesday, November 20, 2007 - 4:56:26 PM
Last modification on : Tuesday, November 20, 2007 - 5:28:39 PM

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  • HAL Id : hal-00189370, version 1
  • ARXIV : 0711.3171

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Nicole Vinh Mau. Deformation or spherical symmetry in 10Be and the inversion of 1/2- - 1/2+ states in 11Be. 2007. <hal-00189370>

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