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The decay of 2.4 h117gCd and 3.4 h117mCd

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Zeitschrift für Physik A Atoms and Nuclei

Abstract

The decay of 2.4 h117gCd and 3.4 h117mCd has been investigated with the use of high-resolution Si(Li) and Ge(Li) detectors, also in an anti-Compton arrangement. Spectra from the two isomers have been resolved by comparing young reactor-produced117Cd with aged cyclotron-produced117Cd. Ge(Li)-Ge(Li) coincidences have been measured with a multi-parameter analyzer. A hundred observedγ-rays are placed in a level scheme of117In. Possible theoretical interpretations are discussed. The I.T. Branching of117In is (47.1±1.5)%. Only about 1% of 11/2− 117mCd decays to 1.93 h 1/2− 117mIn and 10.9% of 1/2+ 117gCd decays to the 9/2+ 117gIn ground state bypassing the isomeric In state.

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Author notes

  1. A. Pakkanen

    Present address: Department of Physics, University of Jyväskylä, Jyväskylä, Finland

  2. Z. C. Mester

    Present address: Department of Chemistry, Texas A & M University, College Station, Texas

Authors and Affiliations

  1. Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA

    C. W. Tang, A. Pakkanen, Z. C. Mester & CD. Coryell

  2. Scuola di Perfezionamento in Fisica Teorica e Nucleare, Università di Napoli, Napoli, Italia

    G. Chilosi

  3. Instituut voor Kernphysisch Onderzoek, Amsterdam, Nederland

    K. Bos & A. H. Wapstra

Authors
  1. C. W. Tang
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  2. A. Pakkanen
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  3. Z. C. Mester
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  4. CD. Coryell
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  5. G. Chilosi
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  6. K. Bos
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  7. A. H. Wapstra
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Additional information

Guest. Department of Chemistry. M.I.T. (Sept. 1970-June 1971) presently on leave from the Cancer Research Institute. New England Deaconess Hospital, Boston, Massachusetts.

Deceased January 7, 1971.

Work supported in part by the U.S. Atomic Energy Commission. under Contract AT(30-1)-905.

Deceased June 11, 1971.

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Tang, C.W., Pakkanen, A., Mester, Z.C. et al. The decay of 2.4 h117gCd and 3.4 h117mCd. Z Physik A 272, 301–310 (1975). https://doi.org/10.1007/BF01438024

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  • DOI: https://doi.org/10.1007/BF01438024

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