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One-neutron knockout from light neutron-rich nuclei at relativistic energies

C. Rodriguez-Tajes ; H. Alvarez-Pol ; T. Aumann ; E. Benjamim ; J. Benlliure ; M. J. G. Borge ; M. Caamano ; E. Casarejos ; A. Chatillon ; D. Cortina-Gil ; K. Eppinger ; T. Faestermann ; M. Gascon ; H. Geissel ; R. Gernhauser ; Björn Jonson (Institutionen för fundamental fysik, Subatomär fysik) ; R. Kanungo ; R. Krucken ; T. Kurtukian ; Kristian Larsson (Institutionen för fundamental fysik, Subatomär fysik) ; P. Maierbeck ; Thomas Nilsson (Institutionen för fundamental fysik, Subatomär fysik) ; C. Nociforo ; C. Pascual-Izarra ; A. Perea ; D. Perez-Loureiro ; A. Prochazka ; S. Schwertel ; H. Simon ; K. Summerer ; Olof Tengblad ; H. Weick ; M. Winkler ; Mikhail V. Zhukov (Institutionen för fundamental fysik, Subatomär fysik)
Physical Review C (0556-2813). Vol. 82 (2010), 2,
[Artikel, refereegranskad vetenskaplig]

One-neutron knockout reactions from neutron-rich nuclei, with Z=6-13 and N=8-22, were studied at the Fragment Separator (GSI) at high beam energies, around 700 MeV/nucleon. Structural phenomena such as the formation of one-neutron halos in odd-mass carbon isotopes (15,17,19C) will be discussed. In addition, one-neutron knockout measurements from 22N were carried out for the first time and demonstrate clearly the change from a 0d5/2 to a 1s1/2 orbital for the valence neutron, an effect that is expected above N=14 and that was also observed in 23O and 24F. The possibility of an anomalous structure of 26F, due to a significant 1s1/2 neutron admixture, will also be discussed in the light of the experimental data obtained in this work. Finally, the ground-state configuration of neutron-rich neon isotopes (24-28Ne) was studied, providing new information in a region that is relatively close to the island of inversion.

Denna post skapades 2011-01-10. Senast ändrad 2014-09-02.
CPL Pubid: 132838


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Institutioner (Chalmers)

Institutionen för fundamental fysik, Subatomär fysik (2005-2013)



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