Structure of 12Be: Intruder d-Wave Strength at N=8 (CROSBI ID 120904)
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Podaci o odgovornosti
Pain, S. D. ; Catford, W. N. ; Orr, N. A. ; Angelique, J. C. ; Ashwood, N. I. ; Bouchat, V. ; Clarke, N. M. ; Curtis, N. ; Freer, M. ; Fulton, B. R. ; Hanappe, F. ; Labiche, M. ; Lecouey, J. L. ; Lemmon, R. C. ; Mahboub, D. ; Ninane, A. ; Normand, G. ; Soić, Neven ; Stuttge, L. ; Timis, C. N. ; Tostevin, J. A. ; Winfield, J. S. ; Ziman, V.
engleski
Structure of 12Be: Intruder d-Wave Strength at N=8
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[h-bar]omega nu p1/2 orbital and the 1[h-bar]omega, nu 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.
shell model; breaking of the magic numbers; 12Be; 11Be; nuclear structure; light nuclei; neutron removal
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