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Competition between the emission of photoneutrons and the photofission of $sup 238$U and $sup 232$Th near the threshold (in Portuguese)

Technical Report ·
OSTI ID:4397292

Several models were considered to interpret the competition between the emission of photoneutrons and photofission of /sup 238/U and /sup 232/Th. Experimental data showed that the constant temperature'' model gave the best results for exciting energies in the range 6 to 9 MeV. It was observed that above 8.5 MeV the relation is independent of the excitation energy. (auth)

Research Organization:
Sao Paulo Univ. (Brazil)
NSA Number:
NSA-29-003983
OSTI ID:
4397292
Report Number(s):
INIS-mf--777
Country of Publication:
Brazil
Language:
Portuguese

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Related Subjects

*PHOTOFISSION
*PHOTONUCLEAR REACTIONS
*THORIUM 232-- PHOTONUCLEAR REACTIONS
*URANIUM 238-- PHOTONUCLEAR REACTIONS
EXCITATION
MEV RANGE 01-10
N69152* --Physics (Nuclear
Theoretical)--Nuclear Properties & Reactions
A >= 220--Nuclear Reactions & Scattering
N69162 --Physics (Nuclear
Theoretical)--Nuclear Properties & Reactions
A >= 220--Nuclear Reactions & Scattering--Spontaneous & Induced Fission:734
NEUTRONS