Performance of new gas-filled recoil ion separator GARIS-II for asymmetric fusion reaction

Kaji, Daiya*; Morimoto, Koji*; Wakabayashi, Yasuo*; Takeyama, Mirei*; Yamaki, Sayaka*; Tanaka, Kengo*; Haba, Hiromitsu*; Huang, M.*; Murakami, Masashi* ; Kanaya, Jumpei*; Ito, Yuta*; Kikunaga, Hidetoshi*; Tokanai, Fuyuki*; Goto, Shinichi*; Asai, Masato ; Morita, Kosuke*

Performance of the new gas-filled recoil ion separator GARIS-II was investigated using asymmetric $^{22}$ Ne-induced fusion reactions. The use of He-H $_{2}$ mixture gas for the gas-filled magnet significantly reduced background scattered particles detected at the focal-plane Si detector, and increased a transmission of the asymmetric reaction products. A target-identification system was newly installed for efficient measurements of excitation functions without changing beam energy nor target.

Language	:	English
Journal	:	JPS Conference Proceedings (Internet)
Volume	:	6
Number	:
Pages	:	p.030107_1 - 030107_4
Publication Year/Month	:	2015/06
Meeting title	:	2nd Conference on Advances in Radioactive Isotope Science (ARIS 2014)
Held date	:	2014/06
Location (city)	:	Tokyo
Location (country)	:	Japan
Patent information	:
PDF	:
Paper URL	:	https://doi.org/10.7566/JPSCP.6.030107
DOI for research data	:
Keywords	:	Superheavy nuclei; Hot fusion; GARIS-II; Asymmetric fusion
Research Facility	:
Press Release	:
Article of JAEA R&D Review	:
Cooperating Institute	:	理化学研究所

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Registration No. : BB20150903
JAEA Abstracts No. : 43001087
Paper Submission No. : 16184

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