Configuration mixing investigation in germanium isotopes through measurement of E0 transition strengths

C. Porzio, A. B. Garnsworthy, S. Leoni, J. Henderson, J. Smallcombe, J. K. Smith, O. Wieland, C. Andreoiu, G. C. Ball, S. S. Bhattacharjee, V. Bildstein, H. Boston, M. Bowry, A. Briscoe, R. Coleman, I. Dillmann, J. T.H. Dowie, B. Fornal, L. P. Gaffney, S. GillespieE. Gopaul, G. Hackman, J. Heery, S. Jazrawi, R. S. Lubna, A. D. MacLean, M. Martin, C. R. Natzke, S. Nittala, B. Olaizola, C. Paxman, E. E. Peters, M. Rocchini, C. E. Svensson, A. Vitéz-Sveiczer, D. Yates, S. W. Yates, T. Zidar

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Experimental and theoretical studies of the germanium isotopes on the neutron-rich side of the stability valley point increasingly toward the emergence of triaxiality, configuration mixing, and shape coexistence phenomena. Studies of the E0 strengths, which can provide a direct measure of the amount of configuration mixing, are lacking. Thus, determining E0 transition strengths is essential for an understanding of the evolution of structures in the Ge isotopes. Beta-decay experiments populating excited states in the 72,74,76,78Ge isotopes were performed at the TRIUMF-ISAC radioactive beam facility. Gamma-ray and electron spectroscopic investigations have been performed, to measure E0 strengths between states of J > 0, exploiting the GRIFFIN spectrometer combined with the PACES silicon detector array. Preliminary results from this study are presented.

Original languageEnglish
Article number127
JournalNuovo Cimento della Societa Italiana di Fisica C
Issue number5
StatePublished - Sep 2022

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ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Physics and Astronomy (miscellaneous)


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