Excited states in the proton-unbound nuclide 158Ta
- Carroll, R. J.
- Page, R. D.
- Joss, D. T.
- O'Donnell, D.
- Uusitalo, Juha
- Darby, I. G.
- Andgren, K.
- Auranen, Kalle
- Bönig, S.
- Cederwall, B.
- Doncel, M.
- Drummond, M. C.
- Eeckhaudt, Sarah
- Grahn, Tuomas
- Gray-Jones, C.
- Greenlees, Paul
- Hadinia, B.
- Herzan, Andrej
- Jakobsson, Ulrika
- Jones, Peter
- Julin, Rauno
- Juutinen, Sakari
- Konki, Joonas
- Kröll, T.
- Leino, Matti
- Leppänen, Ari-Pekka
- McPeake, C.
- Nyman, Markus
- Pakarinen, Janne
- Partanen, Jari
- Peura, Pauli
- Rahkila, Panu
- Revill, J.
- Ruotsalainen, Panu
- Sandzelius, Mikael
- Sarén, Jan
- Sayği, B.
- Scholey, Catherine
- Seweryniak, D.
- Simpson, J.
- Sorri, Juha
- Stolze, Sanna
- Taylor, M. J.
- Thornthwaite, A.
DOIAbstract
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 ...
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