Published December 1998
| Version v1
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Activation analysis of meteorites. 2
Creators
- 1. College of Humanities and Sciences, Nihon Univ., Tokyo (Japan)
Description
A long-lived cosmogenic nuclide, 53Mn, in extra-terrestrial materials has been determined using DR-1 hole of the JRR-3M reactor, applying well thermalized neutron flux. According to our preliminary experiments, the irradiation conditions were indicated as the function of locations in the capsule. The neutron flux intensities were variable with the depths whereas the fast/thermal ratios are not quite variable. Therefore the most convenient position for the samples was the very bottom in the lowest capsule. By this method, 53Mn contents in iron meteorites, metal phases of chondrites, and those of pallasites could be routinely determined in many samples. (J.P.N.)
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Additional details
Publishing Information
- Imprint Title
- Report on progress of researches by common utilization of JAERI nuclear facilities, for fiscal 1997
- Imprint Pagination
- 253 p.
- Journal Page Range
- p. 57-61
- Report number
- UTRCN-G--27
INIS
- Country of Publication
- Japan
- Country of Input or Organization
- Japan
- INIS RN
- 30040482
- Subject category
- S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
- Resource subtype / Literary indicator
- Progress Report
- Descriptors DEI
- CHONDRITES; EXPERIMENTAL CHANNELS; IRON; IRON METEORITES; JRR-3M REACTOR; MANGANESE 53; NEUTRON ACTIVATION ANALYSIS; PROGRESS REPORT; SENSITIVITY; THERMAL NEUTRONS
- Descriptors DEC
- ACTIVATION ANALYSIS; BARYONS; BETA DECAY RADIOISOTOPES; CHEMICAL ANALYSIS; DOCUMENT TYPES; ELECTRON CAPTURE RADIOISOTOPES; ELEMENTARY PARTICLES; ELEMENTS; ENRICHED URANIUM REACTORS; FERMIONS; HADRONS; INTERMEDIATE MASS NUCLEI; IRRADIATION REACTORS; ISOTOPE PRODUCTION REACTORS; ISOTOPES; MANGANESE ISOTOPES; MATERIALS TESTING REACTORS; METALS; METEORITES; NEUTRONS; NUCLEI; NUCLEONS; ODD-EVEN NUCLEI; POOL TYPE REACTORS; RADIOISOTOPES; REACTOR CHANNELS; REACTOR COMPONENTS; REACTOR EXPERIMENTAL FACILITIES; REACTORS; RESEARCH AND TEST REACTORS; RESEARCH REACTORS; STONE METEORITES; TRANSITION ELEMENTS; WATER COOLED REACTORS; WATER MODERATED REACTORS; YEARS LIVING RADIOISOTOPES