Recoil decay tagging of $\ensuremath{\gamma}$ rays in the extremely neutron-deficient nucleus $^{162}\mathrm{Os}$

Recoil decay tagging of $γ$ rays in the extremely neutron-deficient nucleus ${}^{162}{Os}$

D. T. Joss, K. Lagergren, D. E. Appelbe, C. J. Barton, J. Simpson, B. Cederwall, B. Hadinia, R. Wyss, S. Eeckhaudt, T. Grahn, P. T. Greenlees, P. M. Jones, R. Julin, S. Juutinen, H. Kettunen, M. Leino, A.-P. Leppänen, P. Nieminen, J. Pakarinen, P. Rahkila, C. Scholey, J. Uusitalo, R. D. Page, E. S. Paul, and D. R. Wiseman

Phys. Rev. C 70, 017302 – Published 21 July 2004

Abstract

The neutron-deficient nucleus ${}^{162}{Os}$ , produced in the ${}^{106}{Cd} ({}^{58}{Ni}, 2 n)$ reaction, has been studied using the JUROGAM $γ$ -ray spectrometer in conjunction with the RITU gas-filled separator and the GREAT focal plane spectrometer. $γ$ -ray transitions in ${}^{162}{Os}$ have been assigned for the first time through the application of the recoil decay tagging technique. The excitation energy of the $2^{+}$ state and the tentative energy of the $8^{+}$ state are discussed in terms of the systematic energy trends as the $N = 82$ shell gap is approached.

Received 18 May 2004

DOI:https://doi.org/10.1103/PhysRevC.70.017302

Authors & Affiliations

D. T. Joss, K. Lagergren^*, D. E. Appelbe, C. J. Barton^†, and J. Simpson

CCLRC Daresbury Laboratory, Daresbury, Warrington, WA4 4AD, United Kingdom

B. Cederwall, B. Hadinia, and R. Wyss

Department of Physics, Royal Institute of Technology, S-106 91 Stockholm, Sweden

S. Eeckhaudt, T. Grahn, P. T. Greenlees, P. M. Jones, R. Julin, S. Juutinen, H. Kettunen, M. Leino, A.-P. Leppänen, P. Nieminen, J. Pakarinen, P. Rahkila, C. Scholey, and J. Uusitalo

Department of Physics, University of Jyväskylä, P. O. Box 35, FI-40014, Finland

R. D. Page, E. S. Paul, and D. R. Wiseman

Oliver Lodge Laboratory, University of Liverpool, Liverpool, L69 7ZE, United Kingdom

^*Also at Department of Physics, Royal Institute of Technology, S-106 91 Stockholm, Sweden. Present address: Department of Physics, Florida State University, Tallahassee, FL 32306.
^†Present address: Department of Physics, University of York, Heslington YO1 5DD, United Kingdom.

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Vol. 70, Iss. 1 — July 2004

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Physical Review C

covering nuclear physics

Recoil decay tagging of $γ$ rays in the extremely neutron-deficient nucleus ${}^{162}{Os}$

Phys. Rev. C 70, 017302 – Published 21 July 2004

Abstract

Authors & Affiliations

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Physical Review C

covering nuclear physics

Recoil decay tagging of γ rays in the extremely neutron-deficient nucleus Os162

Phys. Rev. C 70, 017302 – Published 21 July 2004

Abstract

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Recoil decay tagging of $γ$ rays in the extremely neutron-deficient nucleus ${}^{162}{Os}$