Prefission neutron multiplicities and the fission modes of Th-226

Authors
Kelic, A Itkis, IM Pokrovsky, IV Prokhorova, EV Benoit, B Costa, G Donadille, L Dorvaux, O Brennand, ED Guillaume, G Hanappe, F Heusch, B Huck, A Itkis, MG Jokic, S Kondratiev, NA Kozulin, EM Oganessian, YT Rudolf, G Rusanov, AY Stuttge, L Vorkapic, D Yuasa-Nakagawa, K
Citation
A. Kelic et al., Prefission neutron multiplicities and the fission modes of Th-226, EUROPH LETT, 47(5), 1999, pp. 552-555
Citations number
10
Categorie Soggetti
Physics
Journal title
EUROPHYSICS LETTERS
ISSN journal
02955075 → ACNP
Volume
47
Issue
5
Year of publication
1999
Pages
552 - 555
Database
ISI
SICI code
0295-5075(19990901)47:5<552:PNMATF>2.0.ZU;2-4
Abstract
The neutron spectra associated to the two fission modes of Th-226 have been measured in coincidence with the fragment yields of the O-18 + Pb-208 reac tion at E-lab = 78 MeV. The pre- and post-fission multiplicities and temper atures have been extracted. Surprisingly, the prefission neutron multiplici ties associated with the asymmetric mode are larger than those associated w ith the symmetric mode.