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Radioactive decay of Os191 and Os191m

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Cechoslovackij fiziceskij zurnal B Aims and scope

Abstract

Beta and gamma spectra of Os191 were studied using a magnetic double-focusing beta-spectrometer and a scintillation spectrometer. The isomeric state Os191m decays through the 74·4 ± 0·1 keV (E3/M4=50) transition with a half-lifeT 1/2=13·0 ± 0·5 hours. A continuous beta spectrum withE max=147 ± 3 keV and the gamma transitions 41·83 ± 0·05 keV (E3), 82·5 ± 0·3 keV and 129·4 ± 0·1 keV (70%M1 + 30%E2) were observed in the decay of the ground state of Os191. The conversion coefficient of the last transition was determined as 1·94 ±± — 0·10. Gamma transitions with energies of 47 keV and 185·8 keV were not observed.

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Authors and Affiliations

  1. Ústav jaderného výzkumu čSAV, ŘeŽ

    Z. Plajner, L. Malý, N. Eissa & A. Benedek

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  1. Z. Plajner
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  2. L. Malý
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  3. N. Eissa
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  4. A. Benedek
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On leave from the United Arab Republić.

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Plajner, Z., Malý, L., Eissa, N. et al. Radioactive decay of Os191 and Os191m . Czech J Phys 13, 23–30 (1963). https://doi.org/10.1007/BF01689076

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  • DOI: https://doi.org/10.1007/BF01689076

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