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

K. Nishio; H. Ikezoe; S. Hofmann; F.P. Heßberger; D. Ackermann; S. Antalic; Y. Aritomo; V.F. Comas; Ch.E. Düllman; A. Gorshkov; R. Graeger; S. Heinz; J.A. Heredia; K. Hirose; J. Khuyagbaatar; B. Kindler; I. Kojouharov; B. Lommel; H. Makii; R. Mann; S. Mitsuoka; Y. Nagame; I. Nishinaka; T. Ohtsuki; A.G. Popeko; S. Saro; M. Schädel; A. Türler; Y. Wakabayashi; Y. Watanabe; A. Yakushev; A.V. Yeremin

doi:10.1051/epjconf/20146603065

All issues

Volume 66 (2014)

EPJ Web of Conferences, 66 (2014) 03065

Abstract

Open Access

Issue		EPJ Web of Conferences Volume 66, 2014 INPC 2013 – International Nuclear Physics Conference


Article Number		03065
Number of page(s)		4
Section		Nuclear Reactions
DOI		https://doi.org/10.1051/epjconf/20146603065
Published online		20 March 2014

EPJ Web of Conferences 66, 03065 (2014)
https://doi.org/10.1051/epjconf/20146603065

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

K. Nishio¹^a, H. Ikezoe¹, S. Hofmann²^,3, F.P. Heßberger², D. Ackermann², S. Antalic⁴, Y. Aritomo¹^,5, V.F. Comas²^,6, Ch.E. Düllman², A. Gorshkov⁷, R. Graeger⁷, S. Heinz², J.A. Heredia²^,6, K. Hirose¹^,8, J. Khuyagbaatar², B. Kindler², I. Kojouharov², B. Lommel², H. Makii¹, R. Mann², S. Mitsuoka¹, Y. Nagame¹, I. Nishinaka¹, T. Ohtsuki⁸, A.G. Popeko⁵, S. Saro⁴, M. Schädel², A. Türler⁷, Y. Wakabayashi¹^,9, Y. Watanabe¹⁰, A. Yakushev⁷ and A.V. Yeremin⁵

¹ Japan Atomic Energy Agency, Tokai, Ibaraki, Japan
² GSI Helmholzzentrum für Schwerionenforschung, Darmstadt, Germany
³ Institute für Physik, Goethe-Universität Frankfurt, Germany
⁴ Comenius University, Bratislava, Slovakia
⁵ Flerov Laboratory of Nuclear Reactions, Dubna, Russia
⁶ Higher Institute of Technologies and Applied Sciences, Habana, Cuba
⁷ Institute für Radiochemie, Technische Universität München, Garching, Germany
⁸ Laboratory of Nuclear Science, Tohoku University, Sendai, Japan
⁹ Nishina-center, RIKEN, Wako, Saitama, Japan
¹⁰ High Energy Accelerator Research Organization (KEK), Tsukuba, Japan

^a e-mail: nishio.katsuhisa@jaea.go.jp

Published online: 20 March 2014

Abstract

Fission fragment mass distributions were measured in heavy-ion induced fissions using ²³⁸U 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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