SPATIAL DISTRIBUTION OF RESONANCE NEUTRONS IN THE MODERATOR OF REACTOR LATTICES, AND ITS EFFECTS ON RESONANCE ESCAPE PROBABILITY
Technical Report
·
OSTI ID:4223415
The age equation is here solved approximately on the assumption that the neutron spatial distribution varies slowly with neutron age. The resonance escape probability is expressed as the exponential of a series whose terms are negligible after the second. The first term is the usual expression in terms of the effective resonance integral, while the second term contains the correction for the non-uniformity of the spatial distribution of the resonance neutrons in the moderator. This term involves a new integral, related to, but different from, the usual resonance integral. (auth)
- Research Organization:
- Atomics International Div., North American Aviation, Inc., Canoga Park, Calif.
- NSA Number:
- NSA-13-023037
- OSTI ID:
- 4223415
- Report Number(s):
- NAA-SR-Memo-3852
- Country of Publication:
- United States
- Language:
- English
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