
handle: 10261/4938
Breakup reactions were used to study the ground-state configuration of the neutron-rich isotope O-23. The O-22 fragments produced in one-nucleon removal from O-23 at 938 MeV/nucleon in a carbon target were detected in coincidence with de-exciting γ rays, allowing to discern between 220 ground-state and excited-states contributions. From the comparison of exclusive experimental momentum distributions for the one-neutron removal channel to theoretical momentum distributions calculated in an Eikonal model for the knockout process, and spin and parity assignment of I-π = 1/2(+) was deduced for the 230 ground state. This result solved the existent experimental discrepancy.
4 pages, 4 figures, 1 table.-- PACS nrs.: 25.60.Gc, 25.60.Dz, 27.20.+n.
Peer reviewed
6 ≤ A ≤ 19 [[PACS] Properties of specific nuclei listed by mass ranges], [PACS] Interaction and reaction cross-sections, [PACS] Breakup and momentum distributions, [PACS] Properties of specific nuclei listed by mass ranges: 6 ≤ A ≤ 19
6 ≤ A ≤ 19 [[PACS] Properties of specific nuclei listed by mass ranges], [PACS] Interaction and reaction cross-sections, [PACS] Breakup and momentum distributions, [PACS] Properties of specific nuclei listed by mass ranges: 6 ≤ A ≤ 19
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