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Measurement of neutron capture cross sections near 24 keV

Conference · · Natl. Bur. Stand. (U.S.), Spec. Publ.; (United States)
OSTI ID:7194778
 [1]; ; ; ; ;
  1. Tokyo Inst. of Tech.
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Neutron capture cross sections of /sup 93/Nb, Ag, /sup 127/I, /sup 165/Ho, /sup 197/Au and /sup 238/U were measured near 24 keV using the Fe-filtered-beam method. A 15-cm thick Fe filter was placed in the neutron time-of-flight beam produced by the KUR 46-MeV electron Linac. Capture ..gamma..-rays were detected by two C/sub 6/F/sub 6/ total energy detectors located on a 12-m flight path. Pulse-height weighting was used to determine the relative capture efficiency. The neutron flux was determined with the detector via the /sup 10/B(n,..cap alpha../sub 1/..gamma..) reaction and saturated resonance capture in Ag at 5.2 eV. Multiple scattering corrections were applied to the data, resulting in 24 keV capture cross sections of 0.33, 1.10, 0.76, 1.26, 0.68 and 0.50 barns for /sup 93/Nb, Ag, /sup 127/I, /sup 165/Ho, /sup 197/Au and /sup 238/U, respectively. Total errors are 5 to 7 percent, with an estimated systematic error of 4 percent. 2 tables, 3 figures (auth)
OSTI ID:
7194778
Conference Information:
Journal Name: Natl. Bur. Stand. (U.S.), Spec. Publ.; (United States) Journal Volume: 425
Country of Publication:
United States
Language:
English

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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
BARYON REACTIONS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CAPTURE
CORRECTIONS
DAYS LIVING RADIOISOTOPES
ELECTROMAGNETIC RADIATION
ELECTRON CAPTURE RADIOISOTOPES
ELEMENTS
EVEN-ODD NUCLEI
GAMMA RADIATION
GOLD 197 TARGET
GOLD 198
GOLD ISOTOPES
HADRON REACTIONS
HEAVY NUCLEI
HOLMIUM 165 TARGET
HOLMIUM 166
HOLMIUM ISOTOPES
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
IODINE 127 TARGET
IODINE 128
IODINE ISOTOPES
IONIZING RADIATIONS
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
METALS
MINUTES LIVING RADIOISOTOPES
MULTIPLE SCATTERING
NEUTRON REACTIONS
NIOBIUM 93 TARGET
NIOBIUM 94
NIOBIUM ISOTOPES
NUCLEAR REACTIONS
NUCLEI
NUCLEON REACTIONS
ODD-ODD NUCLEI
RADIATIONS
RADIOISOTOPES
RARE EARTH ISOTOPES
RARE EARTH NUCLEI
SCATTERING
SECONDS LIVING RADIOISOTOPES
SILVER
TARGETS
TRANSITION ELEMENTS
URANIUM 238 TARGET
URANIUM 239
URANIUM ISOTOPES
YEARS LIVING RADIOISOTOPES