Phys.Rev. C 93, 034307 (2016)

R.J.Carroll, R.D.Page, D.T.Joss, D.O'Donnell, J.Uusitalo, I.G.Darby, K.Andgren, K.Auranen, S.Bonig, B.Cederwall, M.Doncel, M.C.Drummond, S.Eeckhaudt, T.Grahn, C.Gray-Jones, P.T.Greenlees, B.Hadinia, A.Herzan, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, J.Konki, T.Kroll, M.Leino, A.-P.Leppanen, C.McPeake, M.Nyman, J.Pakarinen, J.Partanen, P.Peura, P.Rahkila, J.Revill, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, C.Scholey, D.Seweryniak, J.Simpson, J.Sorri, S.Stolze, M.J.Taylor, A.Thornthwaite

Excited states in the proton-unbound nuclide ¹⁵⁸Ta

RADIOACTIVITY ¹⁶⁶Ir, ¹⁶²Re, ¹⁵⁸Ta(α)[¹⁶⁶Ir from ⁹²Mo(⁷⁸Kr, X), E=380 MeV using RITU separator at Jyvaskyla; ¹⁶²Re and ¹⁵⁸Ta from α decay chain]; measured Eα, Eγ, αγ-coin, α(implanted ion) correlations. ¹⁵⁸Ta; deduced levels, J, π. ¹⁶⁷Ir, ^165,166Os(α); observed α spectrum.

NUCLEAR REACTIONS ¹⁰²Pd(⁵⁸Ni, np), E=255 MeV; measured Eγ, Iγ, Eα from g.s. and 19- isomer, γγ-coin, prompt and delayed γ rays, γ(implant) correlations using RITU separator, GREAT spectrometer and JUROGAM array at Jyvaskyla. ¹⁵⁸Ta; deduced high-spin levels, J, π, isomer, conversion coefficients, multipolarity, configurations. Systematics of levels in N=85 isotones relative to 7/2- in odd-A and 9+ and 10+ in even-A isotopes of ¹⁴⁹Gd, ¹⁵¹Dy, ¹⁵³Er, ¹⁵⁵Yb, ¹⁵⁷Hf, ¹⁵⁹W, ¹⁵⁰Tb, ¹⁵²Ho, ¹⁵⁴Tm, ¹⁵⁶Lu, ¹⁵⁸Ta, ¹⁶⁰Re. Discussed proton emission from excited states.

doi: 10.1103/PhysRevC.93.034307