Neutron decay spectroscopy of neutron-rich oxygen isotopes

N Frank,T Baumann,D Bazin,B.A Brown,J Brown,P.A Deyoung,J.E Finck,A Gade,J Hinnefeld,R Howes,J.-L Lecouey,B Luther,W.A Peters,H Scheit,A Schiller,M Thoennessen,J Tostevin

doi:10.1016/j.nuclphysa.2008.09.009

Neutron decay spectroscopy of neutron-rich oxygen isotopes

N Frank, T Baumann + Show 15 more

https://doi.org/10.1016/j.nuclphysa.2008.09.009

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Journal: Nuclear physics. A	Publication Date: Sep 18, 2008
Citations: 15

Affiliation: Michigan State University, Concordia University, National Superconducting Cyclotron Laboratory, Wabash College, Hope College, Central Michigan University, Indiana University South Bend, Marquette University, University of Surrey

#Core Protons #Knock-out Processes + Show 8 more

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Abstract

Neutron decay spectroscopy of neutron-rich oxygen isotopes has been performed using the two-proton knock-out reaction 9Be( 26Ne, X) 24,23,22O. A combination of the knock-out of valence and core protons can explain the three observed spectra. These knock-out processes are selective and preferentially populate hole states. The observed narrow resonance state in 23O at an excitation energy of 2.8(1) MeV was assigned to the 5 / 2 + state.

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