States built on the 10+ isomers in 118,120,122,124Sn

N. Fotiades, M. Devlin, R. O. Nelson, J. A. Cizewski, R. Krücken, R. M. Clark, P. Fallon, I. Y. Lee, A. O. MacChiavelli, W. Younes

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The high-spin structure above the previously known 10+ isomers of the 118, 120,122, 124Sn isotopes was studied via prompt γ-ray spectroscopy. All isotopes were populated as fragments following the fission of much heavier compound nuclei formed in three fusion-fission reactions. The 118, 120,122, 124Sn isotopes were also independently populated and studied as evaporation residues in the 124Sn(n, xnγ) reactions, with x=3,5,7. Transitions above the previously known 10+ isomers were observed for the first time and the corresponding level schemes above these isomers were established up to 6646-, 5673-, 5386-, and 5952-keV excitation energy for 118, 120,122, 124Sn, respectively. The experimental results are compared with predictions from shell-model calculations.

Original languageEnglish (US)
Article number054310
JournalPhysical Review C - Nuclear Physics
Issue number5
StatePublished - Nov 16 2011

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics


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