Differential neutron scattering cross sections for the low-lying levels of /sup 232/Th, /sup 235/U and /sup 238/U
Thesis/Dissertation
·
OSTI ID:6315262
Differential cross sections have been measured for the ground state and for the low-lying levels of /sup 232/Th, /sup 235/U, /sup 238/U via neutron time-of-flight technique. This work consists of the study of neutron scattering cross sections in the following areas: (i) the cross sections of /sup 232/Th in the incident energy range 185 x 2400 KeV for ground state rotational band (GSRB) levels 0/sup +/ (ground state), 2/sup +/ (49 KeV), and 4/sup +/ (162 KeV), (ii) the cross sections of /sup 235/U at incident energies of 185 KeV and 550 KeV for groups of levels, ground state + 77 eV + 13 KeV and 46 + 52 KeV, and (III) the cross sections of /sup 238/U in the incident energy range 185 x 920 KeV for GSRB levels 0/sup +/ (ground state), 2/sup +/ (45 KeV) and 4/sup +/ (148 KeV). The University of Lowell 5.5 MV pulsed Van-de Graaff accelerator with Mobley bunching system was employed. Neutrons were generated via the /sup 7/Li(p,n)/sup 7/Be reaction in a metallic lithium target having thickness 8-10 KeV. An overall resolution of 15 x 20 KeV was maintained throughout the measurements. The scatterers were disk shaped. Careful attention has been paid to data reduction, angular resolution, multiple scattering corrections, and attenuation corrections. The results are compared with data of other investigators and ENDF/B-V.
- Research Organization:
- Lowell Univ., MA (USA)
- OSTI ID:
- 6315262
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
652020* -- Nuclear Properties & Reactions
A=220 & above
Experimental
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BARYON REACTIONS
COMPUTER CODES
CROSS SECTIONS
DATA
E CODES
ENERGY DEPENDENCE
ENERGY LEVELS
ENERGY RANGE
EXPERIMENTAL DATA
GROUND STATES
HADRON REACTIONS
INFORMATION
KEV RANGE
KEV RANGE 100-1000
MEV RANGE
MEV RANGE 01-10
NEUTRON REACTIONS
NUCLEAR REACTIONS
NUCLEON REACTIONS
NUMERICAL DATA
SCATTERING
TARGETS
THORIUM 232 TARGET
URANIUM 235 TARGET
URANIUM 238 TARGET
A=220 & above
Experimental
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BARYON REACTIONS
COMPUTER CODES
CROSS SECTIONS
DATA
E CODES
ENERGY DEPENDENCE
ENERGY LEVELS
ENERGY RANGE
EXPERIMENTAL DATA
GROUND STATES
HADRON REACTIONS
INFORMATION
KEV RANGE
KEV RANGE 100-1000
MEV RANGE
MEV RANGE 01-10
NEUTRON REACTIONS
NUCLEAR REACTIONS
NUCLEON REACTIONS
NUMERICAL DATA
SCATTERING
TARGETS
THORIUM 232 TARGET
URANIUM 235 TARGET
URANIUM 238 TARGET