Neutron Age in Mixtures of D2O and H2O
Journal Article
·
· Nuclear Science and Engineering
OSTI ID:4330989
- Savannah River Laboratory (SRL), Aiken, SC (United States)
The neutron age for fission neutrons and Po-Be neutrons was measured in mixtures of D2O and H2O. The age was evaluated from the second moment of the slowing-down distribution at the 1.4-ev resonance of indium. The ages of fission neutrons at concentrations of 99.8, 99.0, 98.4, 95.3, 94.0, 91.8, 48.6% D2O and H2O were 109, 107, 106, 93, 86, 78, 38.6, and 31 cm2, respectively. In the range from 100 to 90% D2O, the rate of decrease of the age was approximately 4 cm2 for each additional per cent of H2O. The ages of Po-Be neutrons in 99.4, 48.6% D2O and H2O were 148, 72.5, and 55.7 cm2, respectively.
- Research Organization:
- Savannah River Laboratory (SRL), Aiken, SC (United States)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA), Nuclear Criticality Safety Program (NCSP); US Atomic Energy Commission (AEC)
- DOE Contract Number:
- AC09-76SR00001
- NSA Number:
- NSA-12-014168
- OSTI ID:
- 4330989
- Journal Information:
- Nuclear Science and Engineering, Journal Name: Nuclear Science and Engineering Vol. 4; ISSN 0029-5639
- Publisher:
- Taylor & Francis
- Country of Publication:
- United States
- Language:
- English
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