FISSION YIELDS IN NEUTRON FISSION OF Pu$sup 23$$sup 9$
Technical Report
·
OSTI ID:4328517
Some fission yield data pertinent to solution of radiological problems resulting from nuclear weapons detonations have been obtained. The portion of the Pu/supo 239/ fission yield curve which includes the heavier mass numbers has not been clearly defined by radiochemical measurements. The radionuclides produced in this mass region fall in the rare earth group and until recent years adequate separation procedures were not available for all cases of interest. Rare earth fission yield data for Pu/sup 239/ were previously reported only for masses 144, 153, and 156. Mass spectrometric measurements of yields are difficult in this region due to frequent high neutron cross sections. Information on the more accurate defsnition of the Pu/sup 239/ fission yield curve in the heavy mass region is presented. Radiochemical studies, utilizing ion exchange chromatography, of the "pile" neutron fission of Pu/sup 239/ were made. Chain yields were measured relative to Mo for masses with U/sup 235/, the Pu/sup 239/ yields show increases of a few percent to a factor of more than 20 in the heavier rare earth products. (auth)
- Research Organization:
- Naval Radiological Defense Lab., San Francisco
- NSA Number:
- NSA-13-001189
- OSTI ID:
- 4328517
- Report Number(s):
- USNRDL-TR-268
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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EXTENSION OF THE FISSION PRODUCT REGION AND YIELDS OF HEAVY PRODUCTS IN THE NEUTRON FISSION OF Pu$sup 23$$sup 9$
FRAGMENT MASS DISTRIBUTIONS FOR THERMAL-NEUTRON-INDUCED FISSION OF Pu$sup 239$ AND Pu$sup 24$$sup 1$
RADIOCHEMICAL STUDIES OF THE FAST NEUTRON FISSION OF U$sup 235$ AND U$sup 238$
Technical Report
·
Thu Oct 30 23:00:00 EST 1958
·
OSTI ID:4307366
FRAGMENT MASS DISTRIBUTIONS FOR THERMAL-NEUTRON-INDUCED FISSION OF Pu$sup 239$ AND Pu$sup 24$$sup 1$
Journal Article
·
Fri Mar 22 23:00:00 EST 1963
· Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D
·
OSTI ID:4069764
RADIOCHEMICAL STUDIES OF THE FAST NEUTRON FISSION OF U$sup 235$ AND U$sup 238$
Conference
·
Sun Jun 01 00:00:00 EDT 1958
·
OSTI ID:4304611
Related Subjects
BIOLOGY
CHEMISTRY
CHROMATOGRAPHY
CROSS SECTIONS
CYCLOTRONS
DECAY
DIAGRAMS
EFFICIENCY
FISSION
FISSION PRODUCTS
ION EXCHANGE
ISOTOPE SEPARATION
ISOTOPES
MASS
MASS SPECTROMETERS
MEASURED VALUES
MOLYBDENUM 99
MOLYBDENUM ISOTOPES
NEUTRON BEAMS
NEUTRONS
NUCLEAR EXPLOSIONS
PLUTONIUM 239
PREPARATION
RADIOCHEMISTRY
RADIOISOTOPES
RADIOTHERAPY
RARE EARTHS
REACTORS
SEPARATION PROCESSES
SPECTROSCOPY
TRACER TECHNIQUES
URANIUM 235
USES
CHEMISTRY
CHROMATOGRAPHY
CROSS SECTIONS
CYCLOTRONS
DECAY
DIAGRAMS
EFFICIENCY
FISSION
FISSION PRODUCTS
ION EXCHANGE
ISOTOPE SEPARATION
ISOTOPES
MASS
MASS SPECTROMETERS
MEASURED VALUES
MOLYBDENUM 99
MOLYBDENUM ISOTOPES
NEUTRON BEAMS
NEUTRONS
NUCLEAR EXPLOSIONS
PLUTONIUM 239
PREPARATION
RADIOCHEMISTRY
RADIOISOTOPES
RADIOTHERAPY
RARE EARTHS
REACTORS
SEPARATION PROCESSES
SPECTROSCOPY
TRACER TECHNIQUES
URANIUM 235
USES