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Power Spectral Density Measurements with 252Cf for Unreflected 17. 77-cm-dia Uranium (93. 2 wt % 235U) Metal Cylinders

Conference ·
OSTI ID:7348294
 [1];  [1];  [1]
  1. Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
+ Show Author Affiliations
The method of reactivity determination using noise analysis correlation measurements with 252Cf was used to determine the reactivity for subcritical 17.77-cm-dia uranium (93.2 wt percent 235U) metal cylinders with reactivities as low as 25 dollars. Far subcritical tests were performed with right circular cylinders of uranium metal for which the subcritical reactivity was known from other inverse kinetics and prompt neutron decay constant measurements.
Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA), Nuclear Criticality Safety Program (NCSP); US Energy Research and Development Administration (ERDA)
DOE Contract Number:
W-7405-ENG-26
OSTI ID:
7348294
Report Number(s):
CONF-760622--16
Country of Publication:
United States
Language:
English

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Related Subjects

21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
220600* -- Nuclear Reactor Technology-- Research
Test & Experimental Reactors
74 ATOMIC AND MOLECULAR PHYSICS
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ACTINIDES
ALPHA DECAY RADIOISOTOPES
CALIFORNIUM 252
CALIFORNIUM ISOTOPES
CORRELATIONS
CYLINDERS
ELEMENTS
ENRICHED URANIUM
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
EXPERIMENTAL REACTORS
FUNCTIONS
Far Subcritical Tests
HEAVY NUCLEI
HIGHLY ENRICHED URANIUM
ISOMERIC TRANSITION ISOTOPES
ISOTOPE ENRICHED MATERIALS
ISOTOPES
MEASURING METHODS
METALS
MINUTES LIVING RADIOISOTOPES
NUCLEI
Noise Analysis Correlation Measurements
Nuclear Criticality Safety Program (NCSP)
RADIOISOTOPES
REACTIVITY
REACTOR NOISE
REACTORS
RESEARCH AND TEST REACTORS
Reactivity Determination
SPECTRAL DENSITY
SPECTRAL FUNCTIONS
SUBCRITICAL ASSEMBLIES
URANIUM
URANIUM 235
URANIUM ISOTOPES
YEARS LIVING RADIOISOTOPES