New Data on the Ternary Fission of {sup 252}Cf from the Gammasphere Facility

Ternary fission of {sup 252}Cf was studied at Gammasphere using eight {delta}E x E particle telescopes. Helium, beryllium, boron, and carbon light charged particles (LCPs) emitted with kinetic energy more than 9, 21, 26, and 32 MeV, respectively, were identified. The 3368-keV {gamma} transition from...

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Published inPhysics of atomic nuclei Vol. 67; no. 10
Main Authors Ter-Akopian, G.M., Daniel, A.V., Fomichev, A.S., Popeko, G.S., Rodin, A.M., Oganessian, Yu.Ts, Hamilton, J.H., Ramayya, A.V., Kormicki, J., Hwang, J.K., Fong, D., Gore, P., Cole, J.D., Jandel, M., Kliman, J., Krupa, L., Rasmussen, J.O., Lee, I.Y., Macchiavelli, A.O., Fallon, P.
Format Journal Article
LanguageEnglish
Published United States 01.10.2004
Subjects
BERYLLIUM
BERYLLIUM 10
BORON
CALIFORNIUM 252
CARBON
CHARGE DISTRIBUTION
EXCITED STATES
FISSION PRODUCTS
GAMMA RADIATION
HELIUM
HELIUM IONS
KEV RANGE
MEV RANGE
NUCLEAR PHYSICS AND RADIATION PHYSICS
TELESCOPE COUNTERS
TERNARY FISSION
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Summary:Ternary fission of {sup 252}Cf was studied at Gammasphere using eight {delta}E x E particle telescopes. Helium, beryllium, boron, and carbon light charged particles (LCPs) emitted with kinetic energy more than 9, 21, 26, and 32 MeV, respectively, were identified. The 3368-keV {gamma} transition from the first 2{sup +} excited state in {sup 10}Be was found and the population probability ratio N(2{sup +})/N(0{sup +}) = 0.160 {+-} 0.025 was estimated. No evidence was found for 3368-keV {gamma} rays emitted from a triple molecular state. For the first time, charge distributions are obtained for ternary fission fragments emitted with helium, beryllium, and carbon LCPs.
ISSN:1063-7788
1562-692X
DOI:10.1134/1.1811191