Two-neutron sequential decay of O 24

M. D. Jones, N. Frank, T. Baumann, J. Brett, J. Bullaro, P. A. Deyoung, J. E. Finck, K. Hammerton, J. Hinnefeld, Z. Kohley, A. N. Kuchera, J. Pereira, A. Rabeh, W. F. Rogers, J. K. Smith, A. Spyrou, S. L. Stephenson, K. Stiefel, M. Tuttle-Timm, R. G.T. ZegersM. Thoennessen

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14 Scopus citations

Abstract

A two-neutron unbound excited state of O24 was populated through a (d,d′) reaction at 83.4 MeV/nucleon. A state at E=715±110(stat)±45(sys)keV with a width of Γ<2 MeV was observed above the two-neutron separation energy placing it at 7.65±0.2MeV with respect to the ground state. Three-body correlations for the decay of O24→O22+2n show clear evidence of a sequential decay through an intermediate state in O23. Neither a di-neutron nor phase-space model for the three-body breakup were able to describe these correlations.

Original languageEnglish (US)
Article number051306
JournalPhysical Review C - Nuclear Physics
Volume92
Issue number5
DOIs
StatePublished - Nov 25 2015
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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