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FISSION CROSS SECTION OF Pu$sup 23$$sup 8$

Technical Report ·
DOI:https://doi.org/10.2172/4670392· OSTI ID:4670392
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The cross section for neutron induced fission of Pu/sup 238/ was measured from 0.4 to 1.4 Mev. The measurement was made by determining the ratio of the Pu/sup 238/ cross section to that of U/sup 235/ using a back to back gas scintillation counter. The neutrons were produced by the Li/sup 7/(p,n)Be/sup 7/ reaction with protons from an electrostatic generator. Preliminary results show that the cross section rises from a low value at the lowest energies to reach 2.9 barns at 1.0 Mev, Above this energy, it begins to level off as if to form the plateaux characteristic of fission cross sections in this energy region. The significance of the unusually high cross section to flssion systematics is discussed. (auth)

Research Organization:
Argonne National Lab., Ill.
Sponsoring Organization:
USDOE
DOE Contract Number:
W-31109-ENG-38
NSA Number:
NSA-17-031398
OSTI ID:
4670392
Report Number(s):
CONF-46-37
Country of Publication:
United States
Language:
English

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Related Subjects

ENERGY RANGE
PHYSICS