Spin-polarized radioactive isotope beam produced by tilted-foil technique

Yoshikazu Hirayama; Mototsugu Mihara; Yutaka Watanabe; Sun Chan Jeong; Hiroari Miyatake; Sadao Momota; Takashi Hashimoto; Nobuaki Imai; Kensaku Matsuta; Hironobu Ishiyama; Shin Ichi Ichikawa; Tetsuro Ishii; Takuji Izumikawa; Ichiro Katayama; Hirokane Kawakami; Hirokazu Kawamura; Ichiro Nishinaka; Katsuhisa Nishio; Hiroyuki Makii; Shin Ichi Mitsuoka; Aakihiko Osa; Yoshinori Otokawa; Tetsuya K. Sato; Yasuo Wakabayashi

doi:10.1016/j.nimb.2013.07.051

Spin-polarized radioactive isotope beam produced by tilted-foil technique

Yoshikazu Hirayama, Mototsugu Mihara, Yutaka Watanabe, Sun Chan Jeong, Hiroari Miyatake, Sadao Momota, Takashi Hashimoto, Nobuaki Imai, Kensaku Matsuta, Hironobu Ishiyama, Shin Ichi Ichikawa, Tetsuro Ishii, Takuji Izumikawa, Ichiro Katayama, Hirokane Kawakami, Hirokazu Kawamura, Ichiro Nishinaka, Katsuhisa Nishio, Hiroyuki Makii, Shin Ichi MitsuokaAakihiko Osa, Yoshinori Otokawa, Tetsuya K. Sato, Yasuo Wakabayashi

学際科学フロンティア研究所・新領域創成研究部

研究成果: Article › 査読

抄録

The tilted-foil method for producing spin-polarized radioactive isotope beams has been studied using the re-accelerated radioactive ⁸Li and ¹²³In beams produced at Tokai Radioactive Ion Accelerator Complex (TRIAC) facility. We successfully produced polarization in a ⁸Li beam of 7.3(5)% using thin polystyrene foils (4.2 μg/cm²). The systematic study of the nuclear polarization as a function of the number of foils and beam energy has been performed, confirming the features of the tilted-foil technique experimentally. After the study, a spin-polarized radioactive ¹²³In beam, which is the heaviest ever polarized in its ground state by this method, has been successfully generated by the tilted-foil method, for the nuclear spectroscopy around the doubly magic nucleus ¹³²Sn.

本文言語	English
ページ（範囲）	693-696
ページ数	4
ジャーナル	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
巻	317
号	PART B
DOI	https://doi.org/10.1016/j.nimb.2013.07.051
出版ステータス	Published - 2013 12月 15

ASJC Scopus subject areas

核物理学および高エネルギー物理学
器械工学

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Hirayama, Y., Mihara, M., Watanabe, Y., Jeong, S. C., Miyatake, H., Momota, S., Hashimoto, T., Imai, N., Matsuta, K., Ishiyama, H., Ichikawa, S. I., Ishii, T., Izumikawa, T., Katayama, I., Kawakami, H., Kawamura, H., Nishinaka, I., Nishio, K., Makii, H., ... Wakabayashi, Y. (2013). Spin-polarized radioactive isotope beam produced by tilted-foil technique. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 317(PART B), 693-696. https://doi.org/10.1016/j.nimb.2013.07.051

Hirayama, Y, Mihara, M, Watanabe, Y, Jeong, SC, Miyatake, H, Momota, S, Hashimoto, T, Imai, N, Matsuta, K, Ishiyama, H, Ichikawa, SI, Ishii, T, Izumikawa, T, Katayama, I, Kawakami, H, Kawamura, H, Nishinaka, I, Nishio, K, Makii, H, Mitsuoka, SI, Osa, A, Otokawa, Y, Sato, TK & Wakabayashi, Y 2013, 'Spin-polarized radioactive isotope beam produced by tilted-foil technique', Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, vol. 317, no. PART B, pp. 693-696. https://doi.org/10.1016/j.nimb.2013.07.051

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title = "Spin-polarized radioactive isotope beam produced by tilted-foil technique",

abstract = "The tilted-foil method for producing spin-polarized radioactive isotope beams has been studied using the re-accelerated radioactive 8Li and 123In beams produced at Tokai Radioactive Ion Accelerator Complex (TRIAC) facility. We successfully produced polarization in a 8Li beam of 7.3(5)% using thin polystyrene foils (4.2 μg/cm2). The systematic study of the nuclear polarization as a function of the number of foils and beam energy has been performed, confirming the features of the tilted-foil technique experimentally. After the study, a spin-polarized radioactive 123In beam, which is the heaviest ever polarized in its ground state by this method, has been successfully generated by the tilted-foil method, for the nuclear spectroscopy around the doubly magic nucleus 132Sn.",

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author = "Yoshikazu Hirayama and Mototsugu Mihara and Yutaka Watanabe and Jeong, {Sun Chan} and Hiroari Miyatake and Sadao Momota and Takashi Hashimoto and Nobuaki Imai and Kensaku Matsuta and Hironobu Ishiyama and Ichikawa, {Shin Ichi} and Tetsuro Ishii and Takuji Izumikawa and Ichiro Katayama and Hirokane Kawakami and Hirokazu Kawamura and Ichiro Nishinaka and Katsuhisa Nishio and Hiroyuki Makii and Mitsuoka, {Shin Ichi} and Aakihiko Osa and Yoshinori Otokawa and Sato, {Tetsuya K.} and Yasuo Wakabayashi",

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doi = "10.1016/j.nimb.2013.07.051",

language = "English",

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AU - Hirayama, Yoshikazu

AU - Mihara, Mototsugu

AU - Watanabe, Yutaka

AU - Jeong, Sun Chan

AU - Miyatake, Hiroari

AU - Momota, Sadao

AU - Hashimoto, Takashi

AU - Imai, Nobuaki

AU - Matsuta, Kensaku

AU - Ishiyama, Hironobu

AU - Ichikawa, Shin Ichi

AU - Ishii, Tetsuro

AU - Izumikawa, Takuji

AU - Katayama, Ichiro

AU - Kawakami, Hirokane

AU - Kawamura, Hirokazu

AU - Nishinaka, Ichiro

AU - Nishio, Katsuhisa

AU - Makii, Hiroyuki

AU - Mitsuoka, Shin Ichi

AU - Osa, Aakihiko

AU - Otokawa, Yoshinori

AU - Sato, Tetsuya K.

AU - Wakabayashi, Yasuo

PY - 2013/12/15

Y1 - 2013/12/15

N2 - The tilted-foil method for producing spin-polarized radioactive isotope beams has been studied using the re-accelerated radioactive 8Li and 123In beams produced at Tokai Radioactive Ion Accelerator Complex (TRIAC) facility. We successfully produced polarization in a 8Li beam of 7.3(5)% using thin polystyrene foils (4.2 μg/cm2). The systematic study of the nuclear polarization as a function of the number of foils and beam energy has been performed, confirming the features of the tilted-foil technique experimentally. After the study, a spin-polarized radioactive 123In beam, which is the heaviest ever polarized in its ground state by this method, has been successfully generated by the tilted-foil method, for the nuclear spectroscopy around the doubly magic nucleus 132Sn.

AB - The tilted-foil method for producing spin-polarized radioactive isotope beams has been studied using the re-accelerated radioactive 8Li and 123In beams produced at Tokai Radioactive Ion Accelerator Complex (TRIAC) facility. We successfully produced polarization in a 8Li beam of 7.3(5)% using thin polystyrene foils (4.2 μg/cm2). The systematic study of the nuclear polarization as a function of the number of foils and beam energy has been performed, confirming the features of the tilted-foil technique experimentally. After the study, a spin-polarized radioactive 123In beam, which is the heaviest ever polarized in its ground state by this method, has been successfully generated by the tilted-foil method, for the nuclear spectroscopy around the doubly magic nucleus 132Sn.

KW - Nuclear polarization

KW - Tilted-foil technique

KW - g-Factor

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Spin-polarized radioactive isotope beam produced by tilted-foil technique

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