URANIUM FISSION PRODUCTS IN THE RARE EARTH ELEMENT REGION OBTAINED BY IRRADIATION WITH 660 Mev PROTONS (in Russian)
Journal Article
·
· Zhur. Eksptl'. i Teoret. Fiz.
OSTI ID:4312431
Data obtained by a radiochemical method are presented for the fission products of uranium produced in the rare earth region by irradintion with 660 Mev protons. The total rare earth element vield was 0 7 x 10/sup -24/ cm/sup 2/ which is about 20% of the yield of all fission fragments. When the fission is strongly asymmetric the yields of stable isotopes and also isotopes with an excess or deficiency in neutrons are approxiamtely equal. Maximal yield of light rare earth elements is observed in the region of nuclear stability; the heavy rare earth fission products are predomimantly neutron deficient isotopes. It is shown that the distribution of rare earth elements observed under natural conditions cannot be explained by heavy nucleus fission induced by high energy particles. (tr-auth)
- Research Organization:
- Inst. of Geochemistry and Analytical Chemistry, Academy of Sciences, USSR
- NSA Number:
- NSA-12-013638
- OSTI ID:
- 4312431
- Journal Information:
- Zhur. Eksptl'. i Teoret. Fiz., Journal Name: Zhur. Eksptl'. i Teoret. Fiz. Vol. Vol: 34
- Country of Publication:
- Country unknown/Code not available
- Language:
- Russian
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Related Subjects
ACIDS-- ALUMINUM-- CHARGED PARTICLES-- DISTRIBUTION-- ENERGY RANGE-- FISSION-- FISSION PRODUCTS-- FISSION YIELD-- IRRADIATION-- ISOTOPES-- LITHIUM CHLORIDES-- MEASURED VALUES-- NEUTRONS-- NUCLEAR STRUCTURE-- POLAROGRAPHY-- PROTON BEAMS-- RADIOCHEMISTRY-- SOLUTIONS-- URANIUM
ARSENAZO-- CHARGED PARTICLES- - DISTRIBUTION-- ENERGY RANGE-- FISSION-- FISSION PRODUCTS-- FISSION YIELD-- HYDROXIDES-- IRRADIATION-- ISOTOPES-- NAPHTHALENE-- NEUTRONS-- NUCLEAR STRUCTURE-- ORGANIC NITROGEN COMPOUNDS-- ORGANIC SULFUR COMPOUNDS-- PHENYL RADICALS-- PHOTOMETRY-- PROTON BEAMS-- QUANTITATIVE ANALYSIS-- RADIOCHEMISTRY-- RARE EARTHS-- SPECTROSCOPY-- THORIUM-- UR
PHYSICS
ARSENAZO-- CHARGED PARTICLES- - DISTRIBUTION-- ENERGY RANGE-- FISSION-- FISSION PRODUCTS-- FISSION YIELD-- HYDROXIDES-- IRRADIATION-- ISOTOPES-- NAPHTHALENE-- NEUTRONS-- NUCLEAR STRUCTURE-- ORGANIC NITROGEN COMPOUNDS-- ORGANIC SULFUR COMPOUNDS-- PHENYL RADICALS-- PHOTOMETRY-- PROTON BEAMS-- QUANTITATIVE ANALYSIS-- RADIOCHEMISTRY-- RARE EARTHS-- SPECTROSCOPY-- THORIUM-- UR
PHYSICS