Phys. Rev. Lett. 79, 4349 - 4352 (1997)Mirror Symmetry Up to the Band Termination in 49Mn and 49Cr |
PRL Celebrates 50 Years
This Week's Milestone Letters are from 1981: |
C. D. O'Leary and M. A. Bentley
School of Sciences, Staffordshire University, College Road, Stoke-on-Trent ST4 2DE, United Kingdom
D. E. Appelbe, D. M. Cullen, and S. Ertürk
Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, United Kingdom
R. A. Bark, A. Maj, and T. Saitoh
Tandem Accelerator Laboratory, Niels Bohr Institute, Risø, DK-4000 Roskilde, Denmark
Received 21 August 1997
High-spin states have been investigated in the mirror pair nuclei 49Cr ( Z = 24, N = 25) and 49Mn (Z = 25, N = 24). Mirror symmetry up to the band termination at about 10.7 MeV has been established. A comparison of the corresponding energy levels of the pair shows, for the first time, that the Coulomb energy difference approaches zero as the band termination is approached. This is explained intuitively in terms of a pure f7 / 2 shell framework. For 49Cr, excellent agreement is found between the data and recent full pf-shell calculations.
©1997 The American Physical Society
URL: http://link.aps.org/abstract/PRL/v79/p4349
DOI: 10.1103/PhysRevLett.79.4349
PACS: 23.20.Lv, 21.10.Sf, 27.40.+z, 29.30.Kv
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