Observation of the 2+ isomer in 52Co

Sonja E.A. Orrigo, Berta Rubio, William Gelletly, Bertram Blank, Yoshitaka Fujita, Julia Giovinazzo, Ros, Jorge Agramunt, Alejandro Algora, Philippe Ascher, Bengu Bilgier, Lucia Cáceres, R. B. Cakirli, Gilles de France, E. Ganioglu, Martin Gerbaux, Stephane Grévy, Omar Kamalou, H. C. Kozer, L. Kucuk, Teresa Kurtukian-NietoF. Molina, Lucia-Ana Popescu, A.M. Rogers, G. Susoy, Christelle Stodel, Takashi Suzuki, Atsushi Tamii, J.C. Thomas

    Research outputpeer-review

    Abstract

    We report the first observation of the 2+ isomer in 52Co, produced in the β decay of the 0+, 52Ni ground state. We have observed three γ-rays at 849, 1910, and 5185 keV characterizing the β deexcitation of the isomer. We have measured a half-life of 102(6) ms for the isomeric state. The Fermi and Gamow-Teller transition strengths for the β decay of 52mCo to 52Fe have been determined. We also add new information on the β decay of the 6+, 52Co ground state, for which we have measured a half-life of 112(3) ms.
    Original languageEnglish
    Article number044315
    Pages (from-to)1-8
    Number of pages8
    JournalPhysical Review C
    Volume94
    DOIs
    StatePublished - 19 Oct 2016

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