AN EXPERIMENTAL STUDY OF FISSION IN THE ACTINIDE ELEMENTS

Technical Report · Fri Oct 31 04:00:00 EST 1958

DOI:https://doi.org/10.2172/4315368· OSTI ID:4315368

Smith, A; Fields, P; Friedman, A; Cox, S; Sjoblom, R

The results of a recent experimental investigation of the fission properties of some actinide elements are presented. The study includes: fission fragment kinetics, fission neutron spectra, prompt gamma rays from fission, and delayed neutrons from fission. The kinematic distributiou of the fission fragment modes of Th/sup 229/. Pu/sup 240/, P/sup 241/, Cm/sup 242/, Cm/sup 244/ , Cf/sup 252/, and Fm/sup 254/ were determined using a high resolution back-to- back ionization chamber. The fission neutron spectra of U/sup 233/, Pu/sup 241/, and Cf/sup 252/ were measured from 0.2 to 10.0 Mev. The prompt fission gamma spectrum of Cf/sup 252/ was measured from 0.075 to 10.0 Mev using single and double crystal scintillation spectrometers. The periods and yields of the delayed neutron groups emitted in the fission of Cf/sup 252/ were measured. The integrated field per fission was found to be ~ 1/100 that U/sup 235/. (W.D.M.)

• Research Organization: Argonne National Lab., Lemont, Ill.
• NSA Number: NSA-12-015137
• OSTI ID: 4315368
• Report Number(s): A/CONF.15/P/690
• Country of Publication: United States
• Language: English

Related Subjects

ACTINIDES
CALIFORNIUM 252
CRYSTALS
CURIUM 242
CURIUM 244
DELAYED NEUTRONS
EFFICIENCY
EMISSION
ENERGY RANGE
FERMIUM 254
FISSION
FISSION PRODUCTS
GAMMA RADIATION
GAMMA SPECTROMETERS
IONIZATION CHAMBERS
MEASURED VALUES
NEUTRONS
PHYSICS
PLUTONIUM 240
PLUTONIUM 241
RESOLUTION
SCINTILLATION COUNTERS
SPECTRA
THORIUM 229
URANIUM 233