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Seeking the phase transition where Cd, Ag, Pd, Rh, and Ru isotopes become “neutron rich”: Isomeric decay in 125,126,127Cd, 123,124,125Ag, 121Pd, 120Rh, and 117Ru

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Abstract.

Gamma rays have been identified in the decay of isomers in 125,126,127Cd, 123,124,125Ag, 121Pd, 120Rh, and 117Ru that provide information about the low-energy structures of these nuclei. In turn, comparison of low-energy levels in the Cd and Te isotones reveals that, whereas the yrast structures in the Te isotopes rise smoothly as N approaches the closed shell at 82, the 15/2- to 11/2- transitions level off as N exceeds 76. This is identified as the point where the Cd isotopes undergo a phase transition and become “neutron rich”.

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Authors and Affiliations

  1. National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI, 48824, USA

    B. E. Tomlin & P. F. Mantica

  2. Department of Chemistry, Michigan State University, East Lansing, MI, 48824, USA

    B. E. Tomlin & P. F. Mantica

  3. Department of Chemistry and Biochemistry, University of Maryland, College Park, MD, 20742, USA

    W. B. Walters

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  1. B. E. Tomlin
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  2. P. F. Mantica
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  3. W. B. Walters
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Tomlin, B., Mantica, P. & Walters, W. Seeking the phase transition where Cd, Ag, Pd, Rh, and Ru isotopes become “neutron rich”: Isomeric decay in 125,126,127Cd, 123,124,125Ag, 121Pd, 120Rh, and 117Ru. Eur. Phys. J. Spec. Top. 150, 183–184 (2007). https://doi.org/10.1140/epjst/e2007-00298-0

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  • DOI: https://doi.org/10.1140/epjst/e2007-00298-0

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