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Phys. Rev. C 62, 051601 (2000) [4 pages]

Single-particle structure along the boundary of the “island of inversion”: Radioactive beam spectroscopy of 33Si and 34P

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B. V. Pritychenko1,2, T. Glasmacher1,2, B. A. Brown1,2, P. D. Cottle3, R. W. Ibbotson1 *, K. W. Kemper3, and H. Scheit1,2 †
1National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824
2Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824
3Department of Physics, Florida State University, Tallahassee, Florida 32306

Rapid Communication Received 7 June 2000; published 17 October 2000

Intermediate-energy Coulomb excitation has been used to study excited states in the radioactive N=19 nuclei 33Si and 34P, which are neutron-rich spherical nuclei located along the boundary of the “island of inversion.” The present results for the 1010 keV state in 33Si and states up to 2.2 MeV excitation energy in 34P can be understood in terms of 0ħω (nonintruder) configurations. This suggests that the energy differences between 0ħω and 2ħω configurations are large enough in 33Si and 34P that the low-lying 0ħω states are not significantly perturbed.


©2000 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevC.62.051601
DOI: 10.1103/PhysRevC.62.051601
PACS: 25.70.De, 27.30.+t, 23.20.Js, 21.60.Cs

* Present address: Brookhaven National Laboratory, Upton, NY 11973.
† Present address: Max-Planck-Institut für Kernphysik, Postfach 10 39 80, D-69029 Heidelberg, Germany.

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