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Phys. Rev. C 80, 037305 (2009) [4 pages]

Rotational and neutron-hole states in 43S via the neutron knockout and fragmentation reactions

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L. A. Riley1, P. Adrich2, T. R. Baugher2, D. Bazin2, B. A. Brown2,3, J. M. Cook2,3, P. D. Cottle4, C. Aa. Diget2, A. Gade2,3, D. A. Garland2,3, T. Glasmacher2,3, K. E. Hosier1, K. W. Kemper4, A. Ratkiewicz2,3, K. P. Siwek2,3, J. A. Tostevin5, and D. Weisshaar2
1Department of Physics and Astronomy, Ursinus College, Collegeville, Pennsylvania 19426, USA
2National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA
3Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
4Department of Physics, Florida State University, Tallahassee, Florida 32306, USA
5Department of Physics, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford, Surrey GU2 7XH, United Kingdom

Received 14 July 2009; published 21 September 2009

The recent assertion that shape coexistence occurs in the neutron-rich isotope 43S implies that a state observed at 940 keV in a previous study is a rotational excitation of the deformed ground state. Here we use results from two intermediate-energy reactions to demonstrate that this state—assigned an energy of 971 keV in the present work—is indeed a rotational state. This result strengthens the case for shape coexistence in 43S.

© 2009 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.80.037305
DOI:
10.1103/PhysRevC.80.037305
PACS:
24.50.+g, 21.10.Jx, 27.40.+z
 
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