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Measurements of γ-γ and γ-electron directional correlations in119Sb

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Zeitschrift für Physik A Atoms and Nuclei

Abstract

The directional correlations ofγ-γ andγ-electron cascades in119Sb are measured, in the decay of119mTe. Bothγ-γ andγ-electron directional correlation coefficients are determined for the cascades (energies in keV): 153.5-1212.7, 942.3-270.5, (976.2+979.3)-270.5, 1095.7-270.5 and 1136.8-270.5. For the cascades 912.6-1366.2, 2013.4-270.5 and 2089.9-270.5γ-γ directional correlations are measured. The mixing ratios evaluated are:δ(M2/E1, 153.5 keV)=0.0003±0.0023,δ(E2/M1, 270.5 keV)=-0.39±0.29,δ(E2/M1, 942.3 keV)= −0.26±0.12,δ(E3/M2,1095.7 keV)=−0.01±0.07, andδ(M3/E2,1212.7 keV) =0.004±0.007. The result is compared with theoretical predictions.

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Authors and Affiliations

  1. Institute of Physics, University of Stockholm, Stockholm, Sweden

    J. Becker, L. Eriksson, K. Fransson, L. Holmberg & V. Stefánsson

  2. Institute of Physics, University of Uppsala, Uppsala, Sweden

    L. Hasselgren

Authors
  1. J. Becker
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  2. L. Eriksson
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  3. K. Fransson
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  4. L. Holmberg
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  5. V. Stefánsson
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  6. L. Hasselgren
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Additional information

We are grateful to Professor T.R. Gerholm for the excellent research facilities put at our disposal and to Dr. Bargholtz for valuable comments. We thank the crew at the Gustaf Werner Institute for performing the proton irradiation. This work is supported by Statens råd för atomforskning.

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Becker, J., Eriksson, L., Fransson, K. et al. Measurements of γ-γ and γ-electron directional correlations in119Sb. Z Physik A 283, 357–361 (1977). https://doi.org/10.1007/BF01409515

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  • DOI: https://doi.org/10.1007/BF01409515

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