Neutron Age Measurements in Metal-Water Lattices

William G. Pettus

doi:dx.doi.org/10.13182/NSE61-A28057

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Home / Publications / Journals / Nuclear Science and Engineering / Volume 11 / Number 2

Neutron Age Measurements in Metal-Water Lattices

William G. Pettus

Nuclear Science and Engineering / Volume 11 / Number 2 / October 1961 / Pages 129-132

Technical Paper / dx.doi.org/10.13182/NSE61-A28057

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The age of U²³⁵ fission neutrons to indium resonance energy has been measured in a number of lattices of Th-H₂O and Th-Al-H₂O and compared with theoretical calculations. As a check on the procedure similar measurements were made in pure water yielding a result of 27.0 ± 0.9 cm². In addition, the ratio of the age of U²³³ fission neutrons to the age of U²³⁵ fission neutrons in water was found to be 0.948 ± 0.033.