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TheQ EC dependence of evidence for a 17-keV neutrino from the55Fe radiative decay

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Zeitschrift für Physik A Hadrons and Nuclei

Abstract

The internal bremsstrahlung spectrum of55Fe was studied using HPGe detector in low background and reduced pileup conditions. The data show that the conclusion on the presence of a heavy mass neutrino strongly depends from the experimental decay energy value taken in the analysis. The decay energy was found to beQ EC =231.37 ± 0.10 keV. The obtained results also show the need for the higher accuracyQ EC used in the analysis of the existence of a 17-keV neutrino in the55Fe decay.

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Author notes

  1. M. Daszewski

    Present address: Bank BIG S.A., Kopernika 36/40, PL-924, Warsaw, Poland

  2. Z. Janas

    Present address: GSI, D-64220, Darmstadt, Germany

Authors and Affiliations

  1. Institute of Experimental Physics, University of Warsaw, PL-00-681, Warsaw, Poland

    M. Daszewski, Z. Janas, W. Kurcewicz & B. Szweryn

Authors
  1. M. Daszewski
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  2. Z. Janas
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  3. W. Kurcewicz
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  4. B. Szweryn
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Additional information

The authors would like to thank A. Plochocki and J. Żylicz for helpful discussion and assistance.

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Daszewski, M., Janas, Z., Kurcewicz, W. et al. TheQ EC dependence of evidence for a 17-keV neutrino from the55Fe radiative decay. Z. Physik A - Hadrons and Nuclei 351, 225–228 (1995). https://doi.org/10.1007/BF01289533

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  • DOI: https://doi.org/10.1007/BF01289533

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