Structure of Be-12: Intruder d-wave strength at N=8
(2006) Physical Review Letters — Vol. 96, p. 32502 (2006)
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- (en) The breaking of the N=8 shell-model magic number in the 12Be ground state has been determined to include significant occupancy of the intruder d-wave orbital. This is in marked contrast with all other N=8 isotones, both more and less exotic than 12Be. The occupancies of the 0 hbar omega neutron p1/2-orbital and the 1 hbar omega, neutron d5/2 intruder orbital were deduced from a measurement of neutron removal from a high-energy 12Be beam leading to bound and unbound states in 11Be. Comment: 5 pages, 2 figures
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Pain, S. D., Catford, W. N., Orr, N. A., Angelique, J. C., Ashwood, N. I., Clarke, N. M., Curtis, N., Freer, M., Fulton, B. R., Hanappe, F., Labiche, M., Lecouey, J. L., Lemmon, R. C., Mahboub, D., Normand, G., Soic, N., Stuttge, L., Timis, C. N., Tostevin, J. A., et al. (2006). Structure of Be-12: Intruder d-wave strength at N=8. Physical Review Letters, 96, 32502. https://doi.org/10.1103/PhysRevLett.96.032502 (Original work published 2006)