Isovector pairing in odd-odd N=Z 50Mn

C.D. O'Leary, M.A. Bentley, S.M. Lenzi, G. Martinez-Pinedo, D.D. Warner, Alison Bruce, J.A. Cameron, M.P. Carpenter, C.N. Davids, P. Fallon, L. Frankland, W. Gelletley, R.V.F. Janssens, D.T. Joss, C.J. Lister, P.H. Regan, P. Reiter, P. Rubio, D. Seweryniak, C.E. SvenssonS.M. Vincent, S.J. Williams

Research output: Contribution to journalArticlepeer-review


High-spin states in the odd–odd N=Z nucleus 5025Mn have been investigated. A sequence of states up to Jπ=6+ has been assigned as the T=1 analogue of the yrast band in 5024Cr for the first time. The differences in energy between levels in these bands are interpreted in terms of rotational alignments and the effect they have on the Coulomb energy of the nucleus. Comparisons with shell model calculations show that the Coulomb energy difference between the T=1 analogue structures is an important indicator of the competition between isovector pairing modes in N=Z nuclei and their isobars.
Original languageEnglish
Pages (from-to)49-55
Number of pages7
JournalPhysics Letters B
Issue number1-2
Publication statusPublished - Jan 2002


  • Gamma rays
  • High spin
  • Isospin
  • Neutron–proton pairing
  • Shell model


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