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Distribution of mass, kinetic energy, and neutron yield in the spontaneous fission of /sup 254/Fm

Journal Article · · Phys. Rev., C; (United States)
; ; ;
The mass distribution for spontaneous fission of /sup 254/Fm was determined for both pre- and post-neutron-emission fragments. The post-neutron-emission (final) mass distribution was deduced from radiochemical measurements of 24 mass yields. Starting with an assumed distribution of neutron yield versus fragment mass, the pre-neutron-emission (initial) mass distribution and neutron-yield distribution were derived from the kinetic-energy measurements of the fragments and the final-mass distribution by an iterative method. These distributions together with distributions of fragment kinetic energy, total kinetic energy of both fragments, and average kinetic energy and average total kinetic energy as functions of fragment mass are presented. The results are discussed in terms of a scission-point model of fission.
Research Organization:
Chemistry Division, Argonne National Laboratory, Argonne, Illinois 60439
OSTI ID:
5233896
Journal Information:
Phys. Rev., C; (United States), Journal Name: Phys. Rev., C; (United States) Vol. 16:4; ISSN PRVCA
Country of Publication:
United States
Language:
English

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Related Subjects

652026* -- Nuclear Properties & Reactions
A=220 & above
Experimental-- Spontaneous & Induced Fission-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
BARYONS
CHEMICAL ANALYSIS
ELEMENTARY PARTICLES
EMISSION
ENERGY
ENERGY SPECTRA
EVEN-EVEN NUCLEI
FERMIONS
FERMIUM 254
FERMIUM ISOTOPES
FISSION
FISSION FRAGMENTS
FISSION NEUTRONS
HADRONS
HALF-LIFE
HEAVY NUCLEI
HOURS LIVING RADIOISOTOPES
ISOTOPES
KINETIC ENERGY
MASS SPECTRA
NEUTRON EMISSION
NEUTRONS
NUCLEAR FRAGMENTS
NUCLEAR REACTIONS
NUCLEI
NUCLEONS
RADIOCHEMICAL ANALYSIS
RADIOISOTOPES
SPECTRA
SPONTANEOUS FISSION