Prompt fission neutrons from eV resonances in $sup 235$U: Measurement and correlation with other fission properties
Journal Article
·
· Phys. Rev., C, v. 13, no. 1, pp. 195-205
OSTI ID:4064151
The energy dependence of the fission neutron multiplicity nu-bar for neutron-induced fission of $sup 235$U in the energy region 0.5 to 125 eV has been measured using a continuous spectrum of neutrons from a 100 MeV electron Linac. A new neutron detection technique was used to search for variations in resonance nu-bar values and possible correlations with other fission properties. Evidence was obtained for a nonstatistical fluctuation in the value of nu-bar as a function of energy. However, no correlation with resonant spin GAMMA/subf/, fission-fragment asymmetry, or the angular distribution of fission fragments was observed. A comparison of these data with previous nu-bar measurements also has been included. (AIP)
- Research Organization:
- Lawrence Livermore Laboratory, University of California, Livermore, California 94550
- NSA Number:
- NSA-33-027733
- OSTI ID:
- 4064151
- Journal Information:
- Phys. Rev., C, v. 13, no. 1, pp. 195-205, Journal Name: Phys. Rev., C, v. 13, no. 1, pp. 195-205; ISSN PRVCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
*NEUTRON REACTIONS-- FISSION
*PROMPT NEUTRONS-- MULTIPLICITY
*URANIUM 235 TARGET-- NEUTRON REACTIONS
*URANIUM 235-- NEUTRON REACTIONS
643406*
CAPTURE-TO-FISSION RATIO
CORRELATIONS
ENERGY DEPENDENCE
EPITHERMAL NEUTRONS
EV RANGE 01-10
EV RANGE 10-100
EV RANGE 100-1000
MILLI EV RANGE
N69161* --Physics (Nuclear
Experimental)--Nuclear Properties & Reactions
A >= 220--Nuclear Reactions & Scattering--Spontaneous & Induced Fission:734
SLOW NEUTRONS
*PROMPT NEUTRONS-- MULTIPLICITY
*URANIUM 235 TARGET-- NEUTRON REACTIONS
*URANIUM 235-- NEUTRON REACTIONS
643406*
CAPTURE-TO-FISSION RATIO
CORRELATIONS
ENERGY DEPENDENCE
EPITHERMAL NEUTRONS
EV RANGE 01-10
EV RANGE 10-100
EV RANGE 100-1000
MILLI EV RANGE
N69161* --Physics (Nuclear
Experimental)--Nuclear Properties & Reactions
A >= 220--Nuclear Reactions & Scattering--Spontaneous & Induced Fission:734
SLOW NEUTRONS