Two-Neutron Sequential Decay of ^24O release_g3zzjdjnizc4hjrfthiz4u5jf4

by 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 (+7 others)

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2015  

Abstract

A two-neutron unbound excited state of ^24O 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 ± 0.2 MeV with respect to the ground state. Three-body correlations for the decay of ^24O → ^22O + 2n show clear evidence for a sequential decay through an intermediate state in ^23O. Neither a di-neutron nor phase-space model for the three-body breakup were able to describe these correlations.
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Date   2015-12-08
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arXiv  1512.02528v1
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