Measurements of impure reactor-grade plutonium using the increase in totals neutrons from plutonium-241 decay

@inproceedings{Menlove1999MeasurementsOI,
  title={Measurements of impure reactor-grade plutonium using the increase in totals neutrons from plutonium-241 decay},
  author={Howard O. Menlove and Tracy R. Wenz},
  year={1999}
}
Abstract We have developed a new technique to obtain accurate measurements of impure plutonium mass using neutron counting. The technique is based on making two or more totals neutron measurements with a time separation that is long enough to measure the decay of 241 Pu (T1/2=14.7 y) to 241 Am . Because of the excellent precision for totals neutron counting, short measurement intervals are adequate and time separations as short as a few months can give useful results. The known change of the… CONTINUE READING