Study of two-neutron radioactivity in the decay of O26

Z. Kohley*, T. Baumann, D. Bazin, G. Christian, P. A. Deyoung, J. E. Finck, N. Frank, M. Jones, E. Lunderberg, B. Luther, S. Mosby, T. Nagi, J. K. Smith, J. Snyder, A. Spyrou, M. Thoennessen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

67 Scopus citations


A new technique was developed to measure the lifetimes of neutron unbound nuclei in the picosecond range. The decay of O26→O24+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 O26 was extracted as 4.5-1.5+1.1(stat)±3(syst) ps. This corresponds to O26 having a finite lifetime at an 82% confidence level and, thus, suggests the possibility of two-neutron radioactivity.

Original languageEnglish (US)
Article number152501
JournalPhysical review letters
Issue number15
StatePublished - Apr 8 2013
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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