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Poster communications

Beta decay of the exotic Tz = -1, -2, $^{56}$Zn nucleus and half-life of various proton-rich Tz = -1 nuclei

Abstract : Preliminary results of an experimental study of the -decay of the exotic Tz = -2, 56Zn nucleus and other proton-rich Tz = -1 nuclei are presented. The ions were produced at GANIL using fragmentation reactions, separated by the LISE3 spectrometer and implanted in a double-sided silicon strip detector surrounded by Ge detectors. The half-lives of 56Zn and four Tz = -1 nuclei in the fp-shell have been measured. While the decay of the Tz = -1 nuclei proceeds essentially by -delayed gamma emission, in the case of 56Zn -delayed proton emission is also observed. Moreover the exotic -delayed gamma-proton decay is seen for the rst time. The information from the decay study has been used to determine the absolute Fermi and Gamow- Teller transition strengths. The results for 56Zn have been compared with the mirror Charge Exchange process, the (3He,t) reaction on the Tz = +2, 56Fe target nucleus. This comparison is important for understanding the 56Zn decay data.
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Poster communications
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http://hal.in2p3.fr/in2p3-00941573
Contributor : Nathalie Martin <>
Submitted on : Tuesday, February 4, 2014 - 9:39:47 AM
Last modification on : Thursday, February 1, 2018 - 1:34:33 AM

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S. E. A. Orrigo, B. Rubio, J. Agramunt, A. Algora, F. Molina, et al.. Beta decay of the exotic Tz = -1, -2, $^{56}$Zn nucleus and half-life of various proton-rich Tz = -1 nuclei. INPC 2013, Jun 2013, Firenze, Italy. 66, pp.02077, 2014, ⟨10.1051/epjconf/20146602077⟩. ⟨in2p3-00941573⟩

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