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Coplanar Ternary Cluster Decay of Hyper-deformed $^{56}$Ni

Abstract : Coincidences between two heavy fragments have been measured from fission of 56Ni compound nuclei, formed in the 32S + 24Mg reaction at Elab(32S) = 163.5 MeV. A unique experimental set-up consisting of two large area position sensitive (x, y) gas-detector telescopes has been used allowing the complete determination of the observed fragments, and their momentum vectors. In addition to binary fission events with subsequent particle evaporation, narrow out-of-plane correlations are observed for two fragments emitted in purely binary events and in events with a missing mass consisting of 2$\alpha$ and 3$\alpha$ particles(12C). These events are interpreted as ternary cluster decay from 56Ni-nuclei at high angular momenta through hyper-deformed shapes
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Preprints, Working Papers, ...
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http://hal.in2p3.fr/in2p3-00169805
Contributor : Yvette Heyd <>
Submitted on : Wednesday, September 5, 2007 - 10:17:30 AM
Last modification on : Friday, May 8, 2020 - 1:10:24 AM
Long-term archiving on: : Thursday, April 8, 2010 - 9:39:22 PM

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  • HAL Id : in2p3-00169805, version 1

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G. Efimov, V. Zherebchevsky, W. von Oertzen, B. Gebauer, S. Thummerer, et al.. Coplanar Ternary Cluster Decay of Hyper-deformed $^{56}$Ni. 2007. ⟨in2p3-00169805⟩

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