Beta decay of exotic TZ = -1, -2 nuclei: The interesting case of 56Zn

S. E.A. Orrigo, B. Rubio, Y. Fujita, B. Blank, W. Gelletly, J. Agramunt, A. Algora, P. Ascher, B. Bilgier, L. Cáceres, R. B. Cakirli, H. Fujita, E. Ganioǧlu, M. Gerbaux, J. Giovinazzo, S. Grévy, O. Kamalou, H. C. Kozer, L. Kucuk, T. Kurtukian-NietoF. Molina, L. Popescu, A. M. Rogers, G. Susoy, C. Stodel, T. Suzuki, A. Tamii, J. C. Thomas

Research output: Contribution to journalConference article

Abstract

The β decay properties of the Tz = -2, 56Zn isotope and other proton-rich nuclei in the fp-shell have been investigated in an experiment performed at GANIL. The ions were produced in fragmentation reactions and implanted in a double-sided silicon strip detector surrounded by Ge EXOGAM clovers. Preliminary results for 56Zn are presented.The 56Zn decay proceeds mainly by β delayed proton emission, but β delayed gamma rays were also detected. Moreover, the exotic β delayed gamma-proton decay was observed for the first time. The 56Zn half-life and the energy levels populated in the 56Cu daughter have been determined. Knowledge of the gamma de-excitation of the mirror states in 56Co and the comparison with the results of the mirror charge exchange process, the 56Fe(3He,t) reaction (where 56Fe has Tz = +2), were important in the interpretation of the 56Zn decay data. The absolute Fermi and Gamow-Teller strengths have been deduced.

Original languageEnglish
Article number02077
JournalEPJ Web of Conferences
Volume66
DOIs
Publication statusPublished - 2014
Event2013 International Nuclear Physics Conference, INPC 2013 - Firenze, Italy
Duration: Jun 2 2013Jun 7 2013

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Orrigo, S. E. A., Rubio, B., Fujita, Y., Blank, B., Gelletly, W., Agramunt, J., Algora, A., Ascher, P., Bilgier, B., Cáceres, L., Cakirli, R. B., Fujita, H., Ganioǧlu, E., Gerbaux, M., Giovinazzo, J., Grévy, S., Kamalou, O., Kozer, H. C., Kucuk, L., ... Thomas, J. C. (2014). Beta decay of exotic TZ = -1, -2 nuclei: The interesting case of 56Zn. EPJ Web of Conferences, 66, [02077]. https://doi.org/10.1051/epjconf/20146602077