Phys. Rev. Lett. 93, 062501 (2004) [4 pages]Shell Structure of the Near-Dripline Nucleus 23OReceived 15 December 2003; published 6 August 2004 Breakup reactions were used to study the ground-state configuration of the neutron-rich isotope 23O. The 22O fragments produced in one-nucleon removal from 23O at 938 MeV/nucleon in a carbon target were detected in coincidence with deexciting γ rays. The widths of the longitudinal momentum distributions of the 22O fragments and the one-neutron removal cross sections were interpreted in the framework of a simple theoretical model which favors the assignment of Iπ=1/2+ to the 23O ground state. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.93.062501
DOI:
10.1103/PhysRevLett.93.062501
PACS:
25.60.Gc, 21.10.Pc, 25.60.Dz, 27.30.+t
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