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Beta spectroscopy of some neutron-rich cerium isotopes in252Cf fission products

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Zeitschrift für Physik A Atoms and Nuclei

Abstract

The method of cyclic-time optimization has been used, in conjunction with a beta-Kx-ray coincidence technique, to obtain the beta spectrum of some decaying cerium isotopes in the fission products of252Cf. A Kurie plot of the beta spectrum revealed at least four beta groups. From the relative isotopic yields of Kx-ray the isotopic origin of each group has been determined. The coincidence method used in this study allows the measurement of beta groups feeding excited levels of daughter products with high internal conversion coefficients. The end-point energies and isotopic origin of the measured beta groups were as follows: 2.349(±0.100)MeV,145Ce; 1.715(±0.103)MeV,145Ce and148Ce; 1.267 (±0.103)MeV,145Ce; 0.748(±0.109) MeV,146Ce and148Ce.

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Authors and Affiliations

  1. Department of Physics, University of Calabar, Nigeria

    I. D. U. Ebong

  2. Department of Physics, Arizona State University, Tempe, Arizona, USA

    R. R. Roy

Authors
  1. I. D. U. Ebong
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  2. R. R. Roy
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Ebong, I.D.U., Roy, R.R. Beta spectroscopy of some neutron-rich cerium isotopes in252Cf fission products. Z Physik A 299, 209–212 (1981). https://doi.org/10.1007/BF01443938

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  • DOI: https://doi.org/10.1007/BF01443938

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