Gamma-Ray Intensities for the Radioactive Decay of Barium-140 and Lanthanum-140
- 1 December 1975
- journal article
- research article
- Published by Taylor & Francis in Nuclear Science and Engineering
- Vol. 58 (4) , 431-435
- https://doi.org/10.13182/nse75-a26798
Abstract
Gamma-ray spectra from the radioactive decay of 140Ba and 140La were observed by Ge(Li) spectroscopy. Gamma-ray energies were found to be consistent with literature values, but several of the observed gamma rays were found to have intensities differing significantly from those previously reported. Absolute intensities of prominent gamma rays emitted in the radioactive decay of 140Ba and 140La have been measured. The 12.8-day 140Ba activity was produced by 14.8-MeV neutron fission of 238U followed by radiochemical separation and purification.Keywords
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