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High-energy gamma-rays accompanying the spontaneous fission of252Cf

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Zeitschrift für Physik A Hadrons and Nuclei

Abstract

Theγ-ray spectrum of252Cf(sf) was measured in the Darmstadt-Heidelberg Crystal Ball spectrometer, with a double ionization chamber mounted inside to detect the fission fragments. The measurement was aimed at a better understanding of an unusual component found in the high-energy region between 3 and 8 MeV, with fragment mass splits near symmetry. This component was proved to be predominantly emitted by the heavier fragment, to reach its highest intensity at a fragment mass split of 132:120, and to have an almost isotropic angular distribution. Calculations with the statistical code CASCADE could reproduce the main features.

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Author notes

  1. A. Hotzel

    Present address: Fritz-Haber-Institut der MPG, D-14195, Berlin, Germany

  2. P. Thirolf

    Present address: Beschleunigerlabor der Ludwig-Maximilian-Universität München, D-85748, Garching, Germany

Authors and Affiliations

  1. Max-Planck-Institut für Kernphysik, D-69117, Heidelberg, Germany

    A. Hotzel, P. Thirolf, Ch. Ender & D. Schwalm

  2. Physikalisches Institut, Universität Heidelberg, D-69120, Heidelberg, Germany

    A. Hotzel, P. Thirolf, Ch. Ender & D. Schwalm

  3. Institut für Kernphysik, Technische Hochschule Darmstadt, D-64289, Darmstadt, Germany

    M. Mutterer, P. Singer, M. Klemens & J. P. Theobald

  4. Physikalisches Institut dr Universität Tübingen, D-72076, Tübingen, Germany

    M. Hesse & F. Gönnenwein

  5. Institut de Physique Nucleaire, F-91406, Orsay Cedex, France

    H. v. d. Ploeg

Authors
  1. A. Hotzel
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  2. P. Thirolf
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  3. Ch. Ender
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  5. M. Mutterer
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  6. P. Singer
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  7. M. Klemens
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  8. J. P. Theobald
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  9. M. Hesse
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  10. F. Gönnenwein
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  11. H. v. d. Ploeg
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Additional information

Communicated by B. Povh

Deceased

This work was partly supported by the BMBF under contract nr. 06HD525I, 06DA461, and 06TU669.

This article was processed by the author using the LATEX style filepljour2 from Springer-Verlag.

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Hotzel, A., Thirolf, P., Ender, C. et al. High-energy gamma-rays accompanying the spontaneous fission of252Cf. Z. Physik A - Hadrons and Nuclei 356, 299–308 (1996). https://doi.org/10.1007/BF02769233

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  • DOI: https://doi.org/10.1007/BF02769233

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