High-spin study of odd-A ₄₉In isotopes beyond the neutron mid-shell

R Lucas, M-G Porquet, T Venkova, I Deloncle, M Houry, C Theisen, A Astier, Laurent Donadille

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29 Citations (Scopus)


The In-115,In-117,In-119,In-121 nuclei have been produced as fission fragments in three reactions induced by heavy ions: C-12 + U-238 at 90 MeV bombarding energy, O-18 + Pb-208 reaction at 85 MeV, and P-31 + Yb-176 at 152 MeV. Their level schemes have been built from gamma-rays detected using the EUROBALL III and IV arrays. High-spin states of In-117,In-119,In-121 nuclei have been identified for the first time. Moreover, isomeric states lying around 2.5 MeV have been established in In-119,In-121 from the delayed coincidences between the fission fragment detector SAPhIR and the gamma array. Most of the observed states can be described by coupling a proton g(9/2) hole to a Sn core, while the intruder band based on an orbital from the pi[g(7/2)/d(5/2)] sub-shells behaves as the ground-state band of neighbouring Cd isotopes.
Original languageEnglish
Pages (from-to)315-323
Number of pages9
JournalThe European Physical Journal A
Issue number3
Publication statusPublished - 1 Nov 2002


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