Collinear ternary cluster decay of hyperdeformed 60Zn at high angular momentum

V. I. Zherebchevsky, W. Von Oertzen, D. V. Kamanin

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Binary and ternary cluster decay of 60Zn compound nuclei at high angular momentum, formed in the 36Ar + 24Mg reaction at Elab(36Ar) = 195 MeV, has been measured in a unique kinematic coincidence setup consisting of two large area position sensitive (x, y) gas detector telescopes with Bragg-ionization chambers (BRS). The BRS provides the opportunity to measure the reaction angles in-and out-of-plane, and through Bragg-curve spectroscopy to achieve a complete identification of the nuclear charge for different final channels. We observed very narrow out-of-plane angular correlations for two heavy fragments emitted either in purely binary events or in events with a missing mass consisting of 2 and 3α particles. These narrow correlations are interpreted as ternary fission decay from compound nuclei at high angular momenta through an elongated (hyperdeformed) shape with a very large moment of inertia. In these stretched configurations, the lighter mass in the neck region remains at rest or with very low momentum in the center of mass.

Original languageEnglish
Pages (from-to)136-141
Number of pages6
JournalJETP Letters
Issue number3
StatePublished - Apr 2007

Scopus subject areas

  • Physics and Astronomy(all)


  • 25.60.Dz
  • 25.70.Gh
  • 27.50.+e


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