Spectroscopy of proton-rich 79Zr: Mirror energy differences in the highly-deformed fpg shell

R.D.O. Llewellyn, M.A. Bentley, R. Wadsworth, J. Dobaczewski, W. Satuła, H. Iwasaki, G. de Angelis, J. Ash, D. Bazin, P.C. Bender, B. Cederwall, B.P. Crider, M. Doncel, R. Elder, B. Elman, A. Gade, M. Grinder, T. Haylett, D.G. Jenkins, I.Y. LeeB. Longfellow, E. Lunderberg, T. Mijatović, S.A. Milne, D. Rhodes, D. Weisshaar

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Energy differences between isobaric analogue states have been extracted for the A=79, 79Zr/79Y mirror pair following their population via nucleon-knockout reactions from intermediate-energy rare-isotope beams. These are the heaviest nuclei where such measurements have been made to date. The deduced mirror energy differences (MED) are compared with predictions from a new density-functional based approach, incorporating isospin-breaking effects of both Coulomb and nuclear charge-symmetry breaking and configuration mixing.
Original languageEnglish
Article number135873
Number of pages6
JournalPhysics Letters B
Publication statusPublished - 19 Oct 2020

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