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First Observation of the Unbound Nucleus 15Ne
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2014 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 112, no 13, 132502-1-132502-5 p.Article in journal (Refereed) Published
Abstract [en]

We report on the first observation of the unbound proton-rich nucleus 15Ne. Its ground state and first excited state were populated in two-neutron knockout reactions from a beam of 500 MeV/u 17Ne. The 15Ne ground state is found to be unbound by 2.522(66) MeV. The decay proceeds directly to 13O with simultaneous two-proton emission. No evidence for sequential decay via the energetically allowed 2 and 1 states in 14F is observed. The 15Ne ground state is shown to have a strong configuration with two protons in the (sd) shell around 13O with a 63(5)% (1s1/2)2 component.

Place, publisher, year, edition, pages
2014. Vol. 112, no 13, 132502-1-132502-5 p.
National Category
Subatomic Physics
Research subject
Nuclear Physics
Identifiers
URN: urn:nbn:se:uu:diva-222220DOI: 10.1103/PhysRevLett.112.132502ISI: 000334339800005OAI: oai:DiVA.org:uu-222220DiVA: diva2:710984
Available from: 2014-04-09 Created: 2014-04-09 Last updated: 2017-12-05Bibliographically approved

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Publisher's full texthttp://link.aps.org/doi/10.1103/PhysRevLett.112.132502

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Lantz, Mattias

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