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Phys. Rev. Lett. 87, 132502 (2001) [4 pages]

Observation of 46Cr and Testing the Isobaric Multiplet Mass Equation at High Spin

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P. E. Garrett1, W. E. Ormand1, D. Appelbe2,*, R. W. Bauer1, J. A. Becker1, L. A. Bernstein1, J. A. Cameron2, M. P. Carpenter3, R. V. F. Janssens3, C. J. Lister3, D. Seweryniak3, E. Tavukcu4, and D. D. Warner5
1Lawrence Livermore National Laboratory, Livermore, California 94551
2Department of Physics and Astronomy, McMaster University, Hamilton, Ontario L8S 4M1, Canada
3Physics Division, Argonne National Laboratory, Argonne, Illinois 60439
4North Carolina State University, Raleigh, North Carolina 27695
5CLRC Daresbury Laboratory, Daresbury, Warrington, WA4 4AD, United Kingdom

Received 21 May 2001; published 5 September 2001

The ground state band in 46Cr and the isospin T = 1 band in 46V have been delineated up to Iπ = 10+ (tentatively 12+). These observations complete the highest spin T = 1 isospin triplet known. Following the isobaric multiplet mass equation, a combination of level energies in 46Cr, 46Ti, and 46V are taken to highlight the angular momentum dependence of the isovector and isotensor parts of the interaction. The results are compared with full- fp-space shell model calculations. The influence of the one-body and two-body contributions to the isovector energy difference are investigated.

© 2001 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.87.132502
DOI:
10.1103/PhysRevLett.87.132502
PACS:
21.10.Sf, 23.20.Lv, 25.70.Gh, 27.40.+z

*Present address: CLRC Daresbury Laboratory, Daresbury, Warrington, WA4 4AD, U. K.

 
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