Excited states in Cs137 have been studied by using the near-barrier, single-proton transfer reaction B10(Xe136,Be9γ)Cs137 in inverse kinematics and performing particle-γ and particle-γγ coincidence measurements. The low-spin level scheme of Cs137 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 0g7/2 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 2s1d0g0h shell.
Low-spin structure of the N=82 nucleus Cs 137 / 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, S. Zhu. - In: PHYSICAL REVIEW C. - ISSN 2469-9985. - 98:1(2018), pp. 014328.1-014328.8.
Low-spin structure of the N=82 nucleus Cs 137
S. Bottoni;
2018
Abstract
Excited states in Cs137 have been studied by using the near-barrier, single-proton transfer reaction B10(Xe136,Be9γ)Cs137 in inverse kinematics and performing particle-γ and particle-γγ coincidence measurements. The low-spin level scheme of Cs137 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 0g7/2 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 2s1d0g0h shell.File | Dimensione | Formato | |
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