Selective population and neutron decay of the first excited state of semi-magic O-23

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dc.creatorSchiller, A.
dc.creatorFrank, N.
dc.creatorBaumann, T.
dc.creatorBazin, D.
dc.creatorBrown, B. A.
dc.creatorBrown, J.
dc.creatorDeYoung, P. A.
dc.creatorFinck, J. E.
dc.creatorGade, A.
dc.creatorHinnefeld, J.
dc.creatorHowes, R.
dc.creatorLecouey, J. -L.
dc.creatorLuther, B.
dc.creatorPeters, W. A.
dc.creatorScheit, H.
dc.creatorThoennessen, M.
dc.creatorTostevin, J. A.
dc.date2006-12-21
dc.date.accessioned2026-07-07T10:38:22Z
dc.date.available2026-07-07T10:38:22Z
dc.descriptionWe have observed an excited state in the neutron-rich semi-magic nucleus O-23 for the first time. No such states have been found in previous searches using gamma-ray spectroscopy. The observation of a resonance in n-fragment coincidence measurements confirms the speculation in the literature that the lowest excited state is neutron unbound and establishes positive evidence for a 2.8(1) MeV excitation energy of the first excited state in O-23. The non-observation of a predicted second excited state is explained assuming selectivity of inner-shell knockout reactions.
dc.description4 pages including 4 figures
dc.identifierhttps://arxiv.org/abs/nucl-ex/0612024
dc.identifierhttp://arxiv.org/abs/nucl-ex/0612024
dc.identifierPhys.Rev.Lett.99:112501,2007
dc.identifierdoi:10.1103/PhysRevLett.99.072503
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/180694
dc.subjectNuclear Experiment
dc.titleSelective population and neutron decay of the first excited state of semi-magic O-23
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