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Phys. Rev. C 66, 011302(R) (2002) [5 pages]

Breakup of the doubly magic 100Sn core

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M. Lipoglavšek1,2, C. Baktash1, J. Blomqvist3, M. P. Carpenter4, D. J. Dean1, T. Engeland5, C. Fahlander6, M. Hjorth-Jensen5, R. V. F. Janssens4, A. Likar2, J. Nyberg7, E. Osnes5, S. D. Paul1, A. Piechaczek8, D. C. Radford1, D. Rudolph6, D. Seweryniak4, D. G. Sarantites9, M. Vencelj2, and C.-H. Yu1
1Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6371
2J. Stefan Institute, Ljubljana, Slovenia
3Department of Physics, Royal Institute of Technology, Stockholm, Sweden
4Argonne National Laboratory, Argonne, Illinois 60439
5Department of Physics, University of Oslo, Oslo, Norway
6Department of Physics, Lund University, Lund, Sweden
7Department of Neutron Research, Uppsala University, Uppsala, Sweden
8Louisiana State University, Baton Rouge, Louisiana 70803
9Department of Chemistry, Washington University, St. Louis, Missouri 63130

Received 8 January 2002; published 26 July 2002

Level schemes of 4899Cd51 and 49101In52 nuclei have been extended to high spin. The breakup of the doubly magic 100Sn core has been observed. Large-scale shell model calculations based on realistic nucleon-nucleon interactions are in good agreement with the experimental data. These results provide a reliable basis to predict nuclear structure properties in 100Sn and its neighbors. For example, the size of the N=50 shell gap and the energy of the first excited state in 101Sn have been deduced.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.66.011302
DOI:
10.1103/PhysRevC.66.011302
PACS:
21.10.-k, 21.60.Cs, 23.20.Lv, 27.60.+j
 
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