Excited states in the proton-unbound nuclide Ta-158

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

doi:10.1103/PhysRevC.93.034307

Excited states in the proton-unbound nuclide Ta-158

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

Research output: Contribution to journal › Article › peer-review

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Abstract

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.

Original language	English
Article number	034307
Journal	Physical Review C
Volume	93
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevC.93.034307
Publication status	Published - 8 Mar 2016
Externally published	Yes

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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. T., Hadinia, B., Herzáň, A., Jakobsson, U., ... Thornthwaite, A. (2016). Excited states in the proton-unbound nuclide Ta-158. Physical Review C, 93(3), Article 034307 . https://doi.org/10.1103/PhysRevC.93.034307

@article{16f0be575b1649c49714d8c57cbb7372,

title = "Excited states in the proton-unbound nuclide Ta-158",

abstract = "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.",

author = "R.J. Carroll and R.D. Page and D.T. Joss and D. O'Donnell and J. Uusitalo and I.G. Darby and K. Andgren and K. Auranen and S. B{\"o}nig and B. Cederwall and M. Doncel and M.C. Drummond and S. Eeckhaudt and T. Grahn and C. Gray-Jones and P.T. Greenlees and B. Hadinia and A. Herz{\'a}{\v n} and U. Jakobsson and P.M. Jones and R. Julin and S. Juutinen and J. Konki and T. Kr{\"o}ll and M. Leino and Lepp{\"a}nen, {A. -P.} and C McPeake and M. Nyman and J. Pakarinen and J. Partanen and P. Peura and P. Rahkila and J. Revill and P. Ruotsalainen and M. Sandzelius and J. Sar{\'e}n and B. Sayği and C. Scholey and D. Seweryniak and J. Simpson and J. Sorri and S. Stolze and Taylor, {M. J.} and A. Thornthwaite",

year = "2016",

month = mar,

day = "8",

doi = "10.1103/PhysRevC.93.034307",

language = "English",

volume = "93",

journal = "Physical Review C",

issn = "2469-9985",

publisher = "American Physical Society",

number = "3",

}

Carroll, RJ, Page, RD, Joss, DT, O'Donnell, D, Uusitalo, J, Darby, IG, Andgren, K, Auranen, K, Bönig, S, Cederwall, B, Doncel, M, Drummond, MC, Eeckhaudt, S, Grahn, T, Gray-Jones, C, Greenlees, PT, Hadinia, B, Herzáň, A, Jakobsson, U, Jones, PM, Julin, R, Juutinen, S, Konki, J, Kröll, T, Leino, M, Leppänen, A-P, McPeake, C, Nyman, M, Pakarinen, J, Partanen, J, Peura, P, Rahkila, P, Revill, J, Ruotsalainen, P, Sandzelius, M, Sarén, J, Sayği, B, Scholey, C, Seweryniak, D, Simpson, J, Sorri, J, Stolze, S, Taylor, MJ & Thornthwaite, A 2016, 'Excited states in the proton-unbound nuclide Ta-158', Physical Review C, vol. 93, no. 3, 034307 . https://doi.org/10.1103/PhysRevC.93.034307

TY - JOUR

T1 - Excited states in the proton-unbound nuclide Ta-158

AU - Carroll, R.J.

AU - Page, R.D.

AU - Joss, D.T.

AU - O'Donnell, D.

AU - Uusitalo, J.

AU - Darby, I.G.

AU - Andgren, K.

AU - Auranen, K.

AU - Bönig, S.

AU - Cederwall, B.

AU - Doncel, M.

AU - Drummond, M.C.

AU - Eeckhaudt, S.

AU - Grahn, T.

AU - Gray-Jones, C.

AU - Greenlees, P.T.

AU - Hadinia, B.

AU - Herzáň, A.

AU - Jakobsson, U.

AU - Jones, P.M.

AU - Julin, R.

AU - Juutinen, S.

AU - Konki, J.

AU - Kröll, T.

AU - Leino, M.

AU - Leppänen, A. -P.

AU - McPeake, C

AU - Nyman, M.

AU - Pakarinen, J.

AU - Partanen, J.

AU - Peura, P.

AU - Rahkila, P.

AU - Revill, J.

AU - Ruotsalainen, P.

AU - Sandzelius, M.

AU - Sarén, J.

AU - Sayği, B.

AU - Scholey, C.

AU - Seweryniak, D.

AU - Simpson, J.

AU - Sorri, J.

AU - Stolze, S.

AU - Taylor, M. J.

AU - Thornthwaite, A.

PY - 2016/3/8

Y1 - 2016/3/8

N2 - 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.

AB - 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.

U2 - 10.1103/PhysRevC.93.034307

DO - 10.1103/PhysRevC.93.034307

M3 - Article

SN - 2469-9985

VL - 93

JO - Physical Review C

JF - Physical Review C

IS - 3

M1 - 034307

ER -

Excited states in the proton-unbound nuclide Ta-158

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