Mirror energy differences in the A=31 mirror nuclei, S31 and P31, and their significance in electromagnetic spin-orbit splitting

D.G. Jenkins, C.J. Lister, M.P. Carpenter, P. Chowdhury, N.J. Hammond, R.V.F. Janssens, T.L. Khoo, T. Lauritsen, D. Seweryniak, T. Davinson, P.J. Woods, A. Jokinen, H. Penttila

Research output: Contribution to journalArticlepeer-review

Abstract

Excited states in S31 and P31 were populated in the C12(Ne20,n) and C12(Ne20,p) reactions, respectively, at a beam energy of 32 MeV. High spin states of positive and negative parity have been observed in S31 for the first time, and the yrast scheme of P31 has been extended. Large mirror energy differences between the first 9/2- and 13/2- states were observed, but only small differences for the first 7/2- and 11/2- levels. The significance of these observations is discussed in relation to the electromagnetic spin-orbit effect and the relative binding energy of the levels.
Original languageEnglish
JournalPhysical Review C
Volume72
Issue number3
DOIs
Publication statusPublished - 1 Sep 2005

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