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Phys. Rev. C 78, 017302 (2008) [4 pages]

Intermediate-energy Coulomb excitation of 30Na

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S. Ettenauer1,*, H. Zwahlen1,2, P. Adrich1, D. Bazin1, C. M. Campbell1, J. M. Cook1,2, A. D. Davies1,2, D.-C. Dinca1,2, A. Gade1,2, T. Glasmacher1,2, J.-L. Lecouey1, W. F. Mueller1, T. Otsuka3,4, R. R. Reynolds5, L. A. Riley6, J. R. Terry1,2, Y. Utsuno7, and K. Yoneda1
1National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA
2Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
3Department of Physics and Center for Nuclear Study, University of Tokyo, Hongo, Tokyo 113-0033, Japan
4RIKEN, Hirosawa, Wako-shi, Saitama 351-0198, Japan
5Department of Physics, Florida State University, Tallahassee, Florida 32306, USA
6Department of Physics and Astronomy, Ursinus College, Collegeville, Pennsylvania 19426, USA
7Japan Atomic Energy Research Institute, Tokai, Ibaraki 319-1195, Japan

Received 2 April 2008; published 15 July 2008

The neutron-rich nucleus 30Na in the vicinity of the “Island of Inversion” was investigated using intermediate-energy Coulomb excitation. A single γ-ray transition was observed and attributed to the 31+→2gs+ decay. A transition probability of B(E2;2gs+→31+)=147(21) e2 fm4 was determined and found in agreement with a previous experiment and with large-scale shell-model calculations. Evidence for the strong excitation of the 41+ state predicted by the shell-model calculations was not observed.

© 2008 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.78.017302
DOI:
10.1103/PhysRevC.78.017302
PACS:
25.70.De, 27.30.+t

*Present address: TRIUMF, 4004 Wesbrook Mall, Vancouver, B.C. V6T 2A3, Canada.

 
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