Low-lying excited states in the neutron-deficient isotopes Os-163 and Os-165

M.C. Drummond, D.T. Joss, R.D. Page, J. Simpson, D. O'Donnell, K. Andgren, L. Bianco, B. Cederwall, I.G. Darby, S. Eeckhaudt, M.B. Gomez-Hornillos, T. Grahn, P.T. Greenlees, B. Hadinia, P. M. Jones, R. Julin, S. Juutinen, S. Ketelhut, A.-P. Leppaenen, M. LeinoM. Nyman, J. Pakarinen, P. Rahkila, M. Sandzelius, P.J. Sapple, J. Saren, B. Saygi, C. Scholey, J. Sorri, J. Thomson, J. Uusitalo, M. Venhart

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Abstract

Excited states in the neutron-deficient isotopes 163Os and 165Os were identified using the JUROGAM and GREAT spectrometers in conjunction with the RITU gas-filled separator. The 163Os and 165Os nuclei were populated via the
106Cd(60Ni,3n) and 92Mo(78Kr,2p3n) reactions at bombarding energies of 270 MeV and 357 MeV, respectively. Gamma-ray emissions from these nuclei have been established unambiguously using the recoil-decay tagging technique and a coincidence analysis has allowed level schemes to be established. These results suggest that the yrast states are based upon negative-parity configurations originating from the νf7/2 and νh9/2 orbitals.
Original languageEnglish
Article number054309
JournalPhysical Review C
Volume87
Issue number5
DOIs
Publication statusPublished - 10 May 2013
Externally publishedYes

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Drummond, M. C., Joss, D. T., Page, R. D., Simpson, J., O'Donnell, D., Andgren, K., ... Venhart, M. (2013). Low-lying excited states in the neutron-deficient isotopes Os-163 and Os-165. Physical Review C, 87(5), [054309]. https://doi.org/10.1103/PhysRevC.87.054309