Low-spin structure of the $N=82$ nucleus $^{137}\mathrm{Cs}$

Low-spin structure of the $N = 82$ nucleus ${}^{137}{Cs}$

W. Reviol, D. G. Sarantites, J. M. Elson, J. E. Kinnison, A. Gargano, R. V. F. Janssens, J. M. Allmond, A. D. Ayangeakaa, S. Bottoni, M. P. Carpenter, H. M. David, A. Galindo-Uribarri, N. Itaco, T. Lauritsen, E. Padilla-Rodal, and S. Zhu

Phys. Rev. C 98, 014328 – Published 30 July 2018

Abstract

Excited states in ${}^{137}{Cs}$ have been studied by using the near-barrier, single-proton transfer reaction ${}^{10}B ({}^{136}{Xe}, {}^{9}{Be} γ) {}^{137}{Cs}$ in inverse kinematics and performing particle- $γ$ and particle- $γ γ$ coincidence measurements. The low-spin level scheme of ${}^{137}{Cs}$ has been augmented: (i) The expected set of single-proton, seniority $υ = 1$ states has been delineated in its entirety; (ii) Another member of the $υ = 3$ proton $0 g_{7 / 2}$ multiplet, a low-lying $9 / 2^{+}$ level, has been identified and this set of states now approaches completion; (iii) A second $9 / 2^{+}$ and a candidate $13 / 2^{+}$ level have been observed. The results are discussed in the framework of shell-model calculations in the proton $2 s 1 d 0 g 0 h$ shell.

Received 29 May 2018

DOI:https://doi.org/10.1103/PhysRevC.98.014328

Physics Subject Headings (PhySH)

Electromagnetic transitions Low & intermediate energy heavy-ion reactions Nuclear spin & parity Nuclear structure & decays Shell model

90 ≤ A ≤ 149

Nuclear Physics

Authors & Affiliations

W. Reviol¹, D. G. Sarantites¹, J. M. Elson¹, J. E. Kinnison¹, A. Gargano², R. V. F. Janssens^3,4, J. M. Allmond⁵, A. D. Ayangeakaa^6,*, S. Bottoni^6,7, M. P. Carpenter⁶, H. M. David^6,†, A. Galindo-Uribarri⁵, N. Itaco^2,8, T. Lauritsen⁶, E. Padilla-Rodal⁹, and S. Zhu⁶

¹Department of Chemistry, Washington University, St. Louis, Missouri 63130, USA
²Istituto Nazionale di Fisica Nucleare, Complesso Universitario di Monte S. Angelo, Via Cintia, I-80126 Napoli, Italy
³Department of Physics and Astronomy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA
⁴Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
⁵Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
⁶Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA
⁷Universita degli Studi di Milano, Via Celoria 16, Milano 20133, Italy
⁸Dipartimento di Matematica e Fisica, Universitá degli Studi della Campania “Luigi Vanvitelli” viale Abramo Lincoln 5, I-81100 Caserta, Italy
⁹Instituto de Ciencias Nucleares, UNAM, 04510 Mexico City, Mexico

^*Present address: Department of Physics, US Naval Academy, Annapolis, MD 21402, USA.
^†Present address: Gesellschaft für Schwerionenforschung, Darmstadt, Germany.

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Vol. 98, Iss. 1 — July 2018

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Physical Review C

covering nuclear physics

Low-spin structure of the $N = 82$ nucleus ${}^{137}{Cs}$

W. Reviol, D. G. Sarantites, J. M. Elson, J. E. Kinnison, A. Gargano, R. V. F. Janssens, J. M. Allmond, A. D. Ayangeakaa, S. Bottoni, M. P. Carpenter, H. M. David, A. Galindo-Uribarri, N. Itaco, T. Lauritsen, E. Padilla-Rodal, and S. Zhu

Phys. Rev. C 98, 014328 – Published 30 July 2018

Abstract

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Physical Review C

covering nuclear physics

Low-spin structure of the N=82 nucleus Cs137

W. Reviol, D. G. Sarantites, J. M. Elson, J. E. Kinnison, A. Gargano, R. V. F. Janssens, J. M. Allmond, A. D. Ayangeakaa, S. Bottoni, M. P. Carpenter, H. M. David, A. Galindo-Uribarri, N. Itaco, T. Lauritsen, E. Padilla-Rodal, and S. Zhu

Phys. Rev. C 98, 014328 – Published 30 July 2018

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Low-spin structure of the $N = 82$ nucleus ${}^{137}{Cs}$