Shell gap reduction in neutron-rich N=17 nuclei

The spectroscopy of 27Ne has been investigated through the one-neutron transfer reaction 26Ne(d,p)27Ne in inverse kinematics at 9.7 MeV/nucleon. The results strongly support the existence of a low-lying negative parity state in 27Ne, which is a signature of a reduced sd–fp shell gap in the N=16 neut...

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Veröffentlicht in:	Physics letters. B 2006-02, Vol.633 (1), p.33-37
Hauptverfasser:	Obertelli, A., Gillibert, A., Alamanos, N., Alvarez, M., Auger, F., Dayras, R., Drouart, A., de France, G., Jurado, B., Keeley, N., Lapoux, V., Mittig, W., Mougeot, X., Nalpas, L., Pakou, A., Patronis, N., Pollacco, E.C., Rejmund, F., Rejmund, M., Roussel-Chomaz, P., Savajols, H., Skaza, F., Theisen, Ch
Format:	Artikel
Sprache:	eng
Schlagworte:	26Ne([formula omitted])27Ne 27Ne spectroscopy Exact sciences and technology Nuclear Experiment Nuclear physics Physics The physics of elementary particles and fields Transfer reactions
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Zusammenfassung:	The spectroscopy of 27Ne has been investigated through the one-neutron transfer reaction 26Ne(d,p)27Ne in inverse kinematics at 9.7 MeV/nucleon. The results strongly support the existence of a low-lying negative parity state in 27Ne, which is a signature of a reduced sd–fp shell gap in the N=16 neutron-rich region, at variance with stable nuclei.
ISSN:	0370-2693 1873-2445
DOI:	10.1016/j.physletb.2005.11.033