Transmutation of Mercury by Fast Neutrons
- 1 October 1941
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 60 (7), 473-479
- https://doi.org/10.1103/physrev.60.473
Abstract
The products of the transmutation of mercury by fast (Li+D) neutrons were investigated. Three radioactive gold isotopes were found to be formed by the reactions: 65-hour , 78-hour , and a new unassigned electron emitter with a period of 48 min. Three radioactive platinum isotopes were observed and attributed to reactions in mercury: 29-min. , 19-hour , and a new activity with an 80-min. half-life. The latter period was also observed in deuteron and fast neutron bombardment of platinum, but was not found in slow neutron irradiation of platinum. Radioactive mercury isotopes with 43-min., 25-hour, and 50-day periods were observed in the fast neutron irradiation of mercury. The 43-min. and 25-hour activities were also formed by bombarding platinum with -particles. Difficulties in the assignment of the 80-min. Pt and the 43-min. and 25-hour Hg activities are discussed.
Keywords
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