Summary
For the reaction Bi209 (n, γ) Bi210, theQ-value as determined from a suitablereaaction chain exceeds that indicated by the γ-line of maximum energy as measured with a magnetic pair spectrometer. Coincidence investigations have therefore been undertaken to search for γ-γ-cascades: transitions for 117, 165, 275, 396 and 507 keV have been detected in coincidence with the lines at 4 MeV. The intensities of the former lines have been elucidated and are discussed. The most probable value for the neutron binding energy is thereby indicated to be 4·56 MeV.
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Jarczyk, L., Lang, J., Müller, R. et al. Untersuchung der Reaktion Bi209 (n, λ) Bi210 mit einer Gamma-Gamma-Koinzidenzmethode. Journal of Applied Mathematics and Physics (ZAMP) 13, 117–132 (1962). https://doi.org/10.1007/BF01594134
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DOI: https://doi.org/10.1007/BF01594134