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Journal Articles Physical Review C Year : 2003

High spin microsecond isomers in $^{129}$In and $^{129}$Sb

H.R. Faust
  • Function : Author
R. Orlandi
  • Function : Author
A. Scherillo
  • Function : Author
G.S. Simpson
  • Function : Author
I.S. Tsekhanovich
  • Function : Author
A. Covello
  • Function : Author
A. Gargano
  • Function : Author
W. Urban
  • Function : Author

Abstract

In this work the microsecond isomers in 129In and 129Sb were investigated. These nuclei were produced by the thermal-neutron-induced fission of 241Pu. The detection is based on a time correlation between the fission fragments selected by the LOHENGRIN spectrometer at the ILL (Grenoble) and the γ rays or conversion electrons from the isomers. The decay schemes of the new 17/2− isomer in 129In and 23/2+ isomer in 129Sb are reported. A shell-model study of these two nuclei was performed using a realistic effective interaction derived from the CD–Bonn nucleon-nucleon potential. Comparison shows that the calculated energy levels and electromagnetic transition rates are in very good agreement with the experimental data. (APS)
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Dates and versions

in2p3-00012733 , version 1 (02-06-2003)

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J. Genevey, J.A. Pinston, H.R. Faust, R. Orlandi, A. Scherillo, et al.. High spin microsecond isomers in $^{129}$In and $^{129}$Sb. Physical Review C, 2003, 67, pp.054312. ⟨10.1103/PhysRevC.67.054312⟩. ⟨in2p3-00012733⟩
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