Investigation of gamma-multiplicity spectra and neutron capture cross-sections of Th-232 in the energy region 21.5-215 eV
SCIE
SCOPUS
- Title
- Investigation of gamma-multiplicity spectra and neutron capture cross-sections of Th-232 in the energy region 21.5-215 eV
- Authors
- Baek, WY; Kim, GN; Cho, MH; Ko, IS; Namkung, W; Grigoriev, YV; Faikov-Stanczyk, H; Shvetshov, VN; Furman, WI
- Date Issued
- 2000-08
- Publisher
- ELSEVIER SCIENCE BV
- Abstract
- Applying multiplicity spectrometry and using U-238 as the reference sample, the coincidence multiplicity spectra and the radiative capture cross-sections of Th-232 were measured for the energy range 21.5-215 eV. The gamma rays originating from neutron capture were detected by 16 sections of liquid scintillator, where the coincidence multiplicity ranged from 1 to 16. It seems that the gamma-multiplicity spectra of the s resonances of Th-232 in the above energy region are almost identical. The radiative capture cross-sections were determined for each s resonance and for the three energy groups 21.5-46,5, 46.5-100 and 100-215 eV. Our group average cross-sections agree well with the values calculated with the resonance parameters given in the evaluated data libraries ENDF/B-VI, JENDL-3 and BROND-2. (C) 2000 Elsevier Science B.V. All rights reserved.
- Keywords
- neutron capture; capture cross-section; gamma-multiplicity; thorium
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/108165
- DOI
- 10.1016/S0168-583X(00)00003-3
- ISSN
- 0168-583X
- Article Type
- Article
- Citation
- NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, vol. 168, no. 4, page. 453 - 461, 2000-08
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