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Conference Spotlight
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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No impact from Savannah River radioactive wasps
The news is abuzz with recent news stories about four radioactive wasp nests found at the Department of Energy’s Savannah River Site in South Carolina. The site has been undergoing cleanup operations since the 1990s related to the production of plutonium and tritium for defense purposes during the Cold War. Cleanup activities are expected to continue into the 2060s.
A. Marcinkowski, R. W. Finlay, G. Randers-Pehrson, C. E. Brient, R. Kurup, S. Mellema, A. Meigooni, R. Tailor
Nuclear Science and Engineering | Volume 83 | Number 1 | January 1983 | Pages 13-21
Technical Paper | doi.org/10.13182/NSE83-13
Articles are hosted by Taylor and Francis Online.
Inelastic scattering of 25.7-MeV neutrons to unresolved final states with excitation energies up to ∼13 MeV were measured for monoisotopic samples of 51V, 56Fe, 65Cu, 93Nb, and 209Bi. Neutrons were produced via T(d,n)4 He reaction in a gas cell that provides a background-free source spectrum above En = 12 MeV. Time-of-flight spectra were taken at several angles between 25 and 145 deg using the beam-swinger spectrometer. The technique of dynamic biasing proved valuable in providing maximum detector efficiency and low background throughout the broad range of neutron energies. Data were converted to energy spectra, corrected for detector efficiency, averaged over 1-MeV bins, and corrected for sample attenuation and multiple scattering.