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The single-particle and collective features in the nuclei just above Sn-132

Abstract : The Advanced Time Delayed method has been used to measure the lifetimes of excited states in the exotic nuclei Sb-134, Sb-135 and Te-136 populated in the beta decay of Sn-134, Sn-135 and Sn-136, respectively. High purity Sn beams were extracted at the ISOLDE separator using a novel production technique utilizing the molecular SnS+ beams to isolate Sn from contaminating other fission products. Among the new results we have identified the 1/2(+) state in Sb-135 and its E2 transition to the lower-lying 5/2(+) state was found to be surprisingly collective. This measurement represents also one of the first applications of the LaBr3 scintillator to ultra fast timing.
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Conference papers
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http://hal.in2p3.fr/in2p3-00167273
Contributor : Lpsc Bibliotheque <>
Submitted on : Friday, August 17, 2007 - 3:00:26 PM
Last modification on : Thursday, November 19, 2020 - 12:58:51 PM

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  • HAL Id : in2p3-00167273, version 1

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H. Mach, L.M. Fraile, O. Arndt, A. Blazhev, N. Boelaert, et al.. The single-particle and collective features in the nuclei just above Sn-132. Zakopane Conference on Nuclear Physics, Sep 2006, Zakopane, Poland. pp.1213-1218. ⟨in2p3-00167273⟩

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