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Charge dispersion studies of heavy-mass elements in the fission of $sup 232$Th by protons of medium energy

Journal Article · · J. Inorg. Nucl. Chem., v. 35, no. 12, pp. 3991-4000
;
Cross sections for the independent formation of /sup 139/Ba, /sup 139/ Ce, /sup 140/La, /sup 141/La, /sup 141/Ce, and /sup 143/Ce and the cumulative format ion of /sup 139/Cs, /Ce, /sup 143/La, and /sup 144/Ce were determined in the fission of /sup 232/Th by protons of energies 28 to 83 MeV. Charge dispersion curves were constructed from these data with slight corrections for the variation of N/Z/sub p/ as a function of A. Observations are made about the shapes of the curves obtained if one plots, from the excitation functions, the energy at which a certain fission product will have the maximum yield against its value of N/Z. This is related to the advent of symmetric fission. Observations are also made about charge dispersion curves as a function of single and multi- chance fission. (auth)
Research Organization:
McGill Univ., Montreal
NSA Number:
NSA-29-017300
OSTI ID:
4330364
Journal Information:
J. Inorg. Nucl. Chem., v. 35, no. 12, pp. 3991-4000, Journal Name: J. Inorg. Nucl. Chem., v. 35, no. 12, pp. 3991-4000; ISSN JINCA
Country of Publication:
United Kingdom
Language:
English

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Related Subjects

*BARIUM 139-- FISSION YIELD
*BARIUM 140-- FISSION YIELD
*BARIUM 141- - FISSION YIELD
*CERIUM 139-- FISSION YIELD
*CERIUM 141-- FISSION YIELD
*CERIUM 143-- FISSION YIELD
*CERIUM 144-- FISSION YIELD
*CESIUM 139-- FISSION YIELD
*LANTHANUM 140-- FISSION YIELD
*LANTHANUM 141-- FISSION YIELD
*LANTHANUM 143-- FISSION YIELD
*PROTON REACTIONS-- FISSION
*THORIUM 232-- PROTON REACTIONS
ATOMIC NUMBER
CORRECTIONS
CROSS SECTIONS
DISTRIBUTION
ELECTRIC CHARGES
ENERGY
EXCITATION FUNCTIONS
FISSION PRODUCTS
MASS
MASS NUMBER
MEV RANGE 10- 100
N69161* --Physics (Nuclear
Experimental)--Nuclear Properties & Reactions
A >= 220--Nuclear Reactions & Scattering--Spontaneous & Induced Fission:734
PROTON BEAMS
SYMMETRY