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Title: Migration Areas of Fission Neutrons in Uranium-Water Lattices

Technical Report ·
DOI:https://doi.org/10.2172/4358569· OSTI ID:4358569
 [1];  [1];  [1];  [1];  [1]
  1. Brookhaven National Laboratory (BNL), Upton, NY (United States)
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Measurements were made of the migration areas of fission neutrons in lattices of .600" diameter uranium rods in ordinary water. A range of water-to-uranium volume ratios from 1:1 to 4:1 was explored. Values were obtained in two different but related ways; the methods, analysis, and results are given and discussed. It is shown that the results are more consistent with a continuous slowing-down critical equation than they are with a one-group critical equation.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA), Nuclear Criticality Safety Program (NCSP); US Atomic Energy Commission (AEC)
DOE Contract Number:
AC02-76CH00016
NSA Number:
NSA-10-003869
OSTI ID:
4358569
Report Number(s):
BNL-2119
Resource Relation:
Other Information: Decl. Oct. 31, 1955. Orig. Receipt Date: 31-DEC-56
Country of Publication:
United States
Language:
English

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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
CONFIGURATION
CRITICALITY
DIFFUSION
DIFFUSION LENGTH
EQUATIONS
ERRORS
FAST NEUTRONS
FISSION
FUEL ELEMENTS
GROUP THEORY
LIFETIME
MEASURED VALUES
NUMERICALS
RODS
SLOWDOWN
URANIUM
VOLUME
WATER
ZONES
Nuclear Criticality Safety Program (NCSP)
Criticality
Diffusion
Uranium-Water Lattices
Fission Neutrons