Study of Two-Neutron Radioactivity in the Decay of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mmultiscripts><mml:mi mathvariant="bold">O</mml:mi><mml:mprescripts /><mml:none /><mml:mn>26</mml:mn></mml:mmultiscripts></mml:math>

Z. Kohley, T. Baumann, D. Bazin, G. Christian, P.A. DeYoung, J. E. Finck, N. Frank, M. Jones, E. Lunderberg, B. Luther

Type: Article

Publication Date: 2013-04-08

Citations: 74

DOI: https://doi.org/10.1103/physrevlett.110.152501

Abstract

A new technique was developed to measure the lifetimes of neutron unbound nuclei in the picosecond range. The decay of 26O→24O+n+n was examined as it had been predicted to have an appreciable lifetime due to the unique structure of the neutron-rich oxygen isotopes. The half-life of 26O was extracted as 4.5(-1.5)(+1.1)(stat)±3(syst) ps. This corresponds to 26O having a finite lifetime at an 82% confidence level and, thus, suggests the possibility of two-neutron radioactivity.

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