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Lowest Excitations in Ti56 and the Predicted N=34 Shell Closure

Year: 2004
Type: article
Abstract: Recent experimental characterization of the subshell closure at N=32 in the Ca, Ti, and Cr isotones has stimulated shell-model calculations that indicated the possibility that the N=34 isotones of these same elements could exhibit characteristics of a shell closure, namely, a high energy for the first excited 2(+) level. To that end, we have studied the decay of 56Sc produced in fragmentation reactions and identified new gamma rays in the daughter N=34 isotone 56Ti. The first 2(+) level is found at an energy of 1127 keV, well below the expected position that would indicate the presence of an N=34 shell closure in 56Ti.
DOI: 10.1103/physrevlett.92.072502
Authors: S. N. Liddick, P. F. Mantica, R. V. F. Janssens, R. Broda, B. A. Brown, M. P. Carpenter, B. Fornal, M. Honma, T. Mizusaki, A. C. Morton, W. F. Mueller, T. Otsuka, J. Pavan, A. Stolz, S. L. Tabor, B. E. Tomlin, M. Wiedeking
Institutions: National Superconducting Cyclotron Laboratory, Michigan State University, Argonne National Laboratory, Institute of Nuclear Physics, Polish Academy of Sciences, University of Aizu, Senshu University, RIKEN, The University of Tokyo, Florida State University
Language: English
Open Access status: green
OpenAlex ID: W2000299900
FWCI: 4.734
Cites: 22
Cited by: 105
Related to: 10