Study of heavy-ion induced fission for heavy-element synthesis

Fission fragment mass distributions were measured in heavy-ion induced fissions using super(238)U target nucleus. The measured mass distributions changed drastically with incident energy. The results are explained by a change of the ratio between fusion and qasifission with nuclear orientation. A ca...

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Published inEPJ Web of conferences Vol. 66; pp. 3065 - 1-03065-4
Main Authors Nishio, K., Ikezoe, H., Hofmann, S., Heßberger, F.P., Ackermann, D., Antalic, S., Aritomo, Y., Comas, V.F., Düllman, Ch.E., Gorshkov, A., Graeger, R., Heinz, S., Heredia, J.A., Hirose, K., Khuyagbaatar, J., Kindler, B., Kojouharov, I., Lommel, B., Makii, H., Mann, R., Mitsuoka, S., Nagame, Y., Nishinaka, I., Ohtsuki, T., Popeko, A.G., Saro, S., Schädel, M., Türler, A., Wakabayashi, Y., Watanabe, Y., Yakushev, A., Yeremin, A.V.
Format Journal Article
LanguageEnglish
Published EDP Sciences 01.01.2014
Subjects
Cross sections
Energy (nuclear)
Evaporation
Fluctuation
Mass distribution
Nuclear fission
Nuclear fusion
Residues
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Summary:Fission fragment mass distributions were measured in heavy-ion induced fissions using super(238)U target nucleus. The measured mass distributions changed drastically with incident energy. The results are explained by a change of the ratio between fusion and qasifission with nuclear orientation. A calculation based on a fluctuation dissipation model reproduced the mass distributions and their incident energy dependence. Fusion probability was determined in the analysis, and the values were consistent with those determined from the evaporation residue cross sections.
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ISSN:2100-014X
2100-014X
DOI:10.1051/epjconf/20146603065