Abstract
The spin of the 1,029 keV level in200Hg has been determined to be 0 through measurements of theγ-γ-angular correlation of the 661 keV and 368 keVγ-rays following slow neutron capture in199Hg. The upper limit for theγ-intensity ratioIγ(1,029 keV)/Iγ(661 keV) obtained from the curved crystal spectrometer (n, γ)-data is much lower than the ratio found during the200Tl→200Hg decay studies. This implies that the 1,029 keVγ-line seen in the decay work does not lead from the 1,029 keV level to the ground state in200Hg, but that it depopulates a level which is only weakly fed through the (n, γ)-process.
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We would like to thank Professor H.Maier-Leibnitz and Dr. H.Vonach for their continuous interest in and sponsorship of this work. We are grateful to MissFreiberg for typing the manuscript.
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Löbner, K.E.G., Rabenstein, D. & Schult, O.W.B. The spin of the 1029 keV level in200Hg. Z. Physik 226, 13–16 (1969). https://doi.org/10.1007/BF01392780
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DOI: https://doi.org/10.1007/BF01392780