Excited states in the proton-unbound nuclide 158Ta
Carroll, R. J., Page, R. D., Joss, D. T., O'Donnell, D., Uusitalo, J., Darby, I. G., Andgren, K., Auranen, K., Bönig, S., Cederwall, B., Doncel, M., Drummond, M. C., Eeckhaudt, S., Grahn, T., Gray-Jones, C., Greenlees, P., Hadinia, B., Herzan, A., Jakobsson, U., . . . Thornthwaite, A. (2016). Excited states in the proton-unbound nuclide 158Ta. Physical Review C, 93(3), Article 034307. https://doi.org/10.1103/PhysRevC.93.034307
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Physical Review CAuthors
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2016Copyright
© 2016 American Physical Society. Published in this repository with the kind permission of the publisher.
Excited states in the neutron-deficient odd-odd proton-unbound nuclide 158Ta have been investigated in two
separate experiments. In the first experiment, 166Ir nuclei were produced in the reactions of 380 MeV 78Kr
ions with an isotopically enriched 92Mo target. The α-decay chain of the 9+ state in 166Ir was analyzed. Fine
structure in the α decay of the 9+ state in 162Re established a 66 keV difference in excitation energy between the
lowest-lying 9+ and 10+ states in 158Ta. Higher-lying states in 158Ta were populated in the reactions of 255 MeV 58Ni ions with an isotopically enriched 102Pd target. Gamma-ray decay paths that populate, depopulate, and
bypass a 19− isomeric state have been identified. The general features of the deduced level scheme are discussed
and the prospects for observing proton emission branches from excited states are considered.
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American Physical SocietyISSN Search the Publication Forum
2469-9985Keywords
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