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Experimental cross sections and mass distribution of fission products of thorium-232 irradiated with protons in energy range 20–140 MeVстатья
- Авторы: Libanova O.N., Ermolaev S.V., Golubeva E.S., Matushko V.L.
- Журнал: Journal of Radioanalytical and Nuclear Chemistry
- Том: 324
- Номер: 3
- Год издания: 2020
- Издательство: Akademiai Kiado
- Местоположение издательства: Hungary
- Первая страница: 1435
- Последняя страница: 1454
- DOI: 10.1007/s10967-020-07185-7
- Аннотация: Proton-induced fission of 232Th was studied in a wide proton energy range 20–140 MeV. A large amount of experimental cross sections for individual and cumulative formation of 232Th fission products were determined by means of stacked-foil irradiation followed by high-resolution γ-ray spectrometry. The obtained results were compared with available literature data and theoretical calculations performed with cascade–evaporation–fission model. The fission-product mass distribution in the given proton energy range was described with a three-peak curve representing asymmetric and symmetric fission modes. The fraction of symmetric fission mode increased along with the incident proton energy up to 60–70 MeV reaching a plateau at the value around 0.65.
- Добавил в систему: Ермолаев Станислав Викторович