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Tilted-foil technique for producing a spin-polarized radioactive isotope beam

傾斜薄膜を用いた偏極不安定核ビーム生成法

平山 賀一*; 三原 基嗣*; 渡辺 裕*; Jeong, S. C.*; 宮武 宇也*; 百田 佐多夫*; 橋本 尚志*; 今井 伸明*; 松多 健策*; 石山 博恒*; 市川 進一; 石井 哲朗; 泉川 卓司*; 片山 一郎*; 川上 宏金*; 川村 広和*; 西中 一朗; 西尾 勝久; 牧井 宏之; 光岡 真一; 長 明彦; 乙川 義憲; 佐藤 哲也

Hirayama, Yoshikazu*; Mihara, Mototsugu*; Watanabe, Yutaka*; Jeong, S. C.*; Miyatake, Hiroari*; Momota, Sadao*; Hashimoto, Takashi*; Imai, Nobuaki*; Matsuta, Kensaku*; Ishiyama, Hironobu*; Ichikawa, Shinichi; Ishii, Tetsuro; Izumikawa, Takuji*; Katayama, Ichiro*; Kawakami, Hirokane*; Kawamura, Hirokazu*; Nishinaka, Ichiro; Nishio, Katsuhisa; Makii, Hiroyuki; Mitsuoka, Shinichi; Osa, Akihiko; Otokawa, Yoshinori; Sato, Tetsuya

The tilted-foil method for producing spin-polarized radioactive isotope beams has been studied for the application to nuclear physics and materials science, using the radioactive nucleus $$^8$$Li produced at the Tokai Radioactive Ion Accelerator Complex (TRIAC). We successfully produced polarization in a $$^8$$Li beam using 15 thin polystyrene foils fabricated especially for this purpose. A systematic study of the nuclear polarization as a function of the number of foils, beam energy, tilt angles and foil material has been performed, confirming the features of the tilted-foil technique experimentally. The contributions made to the nuclear polarization of $$^8$$Li nuclei by the atomic states was investigated.

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パーセンタイル:77.83

分野:Physics, Nuclear

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