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- Title
Determination of the <sup>232</sup>Th(n,2n)<sup>231</sup>Th reaction rate in thorium oxide cylinder assembly under D-T neutron source.
- Authors
Wen, Jie; Yang, Yiwei; Liu, Rong; Liu, Zhujun; Wang, Mei; Wen, Zhongwei
- Abstract
Aiming at verifying the evaluated cross-section of 232Th(n,2n) reaction for the conceptual design of thorium based subcritical blanket in fusion-fission hybrid reactor, an integral experiment was carried out using activation technique with D-T neutrons. 232Th(n,2n) reaction rates were measured in a ThO2 cylinder assembly with relative uncertainty of 8.0%. The experiment was simulated by MCNP code combining with ENDF/B-VII.0, ENDF/B-VII.1, CENDL-3.1 and JENDL-4.0 databases. The calculated 232Th(n,2n) reaction rates employing JENDL-4.0 show low discrepancy with the measured ones. The results could provide reference to the re-evaluation of 232Th(n,2n) cross-section and the design of fusion-fission hybrid reactor.
- Subjects
THORIUM dioxide; NEUTRONS; NUCLEAR fission; NUCLEAR fusion; NUCLEAR reactors
- Publication
Journal of Radioanalytical & Nuclear Chemistry, 2018, Vol 317, Issue 1, p235
- ISSN
0236-5731
- Publication type
Article
- DOI
10.1007/s10967-018-5851-z