Absolute optical absorption cross-section measurement of Rb atoms injected into superfluid helium using energetic ion beams

Kei Imamura; Yukari Matsuo; Wataru Kobayashi; Tsuyoshi Egami; Makoto Sanjo; Aiko Takamine; Tomomi Fujita; Daiki Tominaga; Yutaro Nakamura; Takeshi Furukawa; Takashi Wakui; Yuichi Ichikawa; Hiroki Nishibata; Tomoya Sato; Aleksey Gladkov; Long Chun Tao; Takafumi Kawaguchi; Yosuke Baba; Mari Iijima; Haruka Gonda; Yasuharu Takeuchi; Rio Nakazato; Hitoshi Odashima; Hideki Ueno

doi:10.7567/1882-0786/aaf0a9

Absolute optical absorption cross-section measurement of Rb atoms injected into superfluid helium using energetic ion beams

Kei Imamura, Yukari Matsuo, Wataru Kobayashi, Tsuyoshi Egami, Makoto Sanjo, Aiko Takamine, Tomomi Fujita, Daiki Tominaga, Yutaro Nakamura, Takeshi Furukawa, Takashi Wakui, Yuichi Ichikawa, Hiroki Nishibata, Tomoya Sato, Aleksey Gladkov, Long Chun Tao, Takafumi Kawaguchi, Yosuke Baba, Mari Iijima, Haruka GondaYasuharu Takeuchi, Rio Nakazato, Hitoshi Odashima, Hideki Ueno

研究成果: Contribution to journal › Article › 査読

抄録

We report on a new in situ laser spectroscopy technique using superfluid helium and a highly energetic ion beam. In taking advantage of superfluid helium as a host matrix for laser spectroscopy, we were able to develop an extremely low background detection system. The first demonstration using ⁸⁵ Rb ³¹⁺ ion beam (66 MeV/nucleon) accelerated at the RIKEN accelerator facility shows improvement of detection limit by two orders of magnitude. A quantitative evaluation of Rb atoms in the observation region enables an analysis of their optical absorption cross-section in superfluid helium from the fluorescence intensity dependence on ion-beam intensity and applied laser power.

本文言語	英語
論文番号	016502
ジャーナル	Applied Physics Express
巻	12
号	1
DOI	https://doi.org/10.7567/1882-0786/aaf0a9
出版ステータス	出版済み - 1 1 2019
外部発表	はい

All Science Journal Classification (ASJC) codes

Engineering(all)
Physics and Astronomy(all)

文献へのアクセス

10.7567/1882-0786/aaf0a9

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引用スタイル

Imamura, K., Matsuo, Y., Kobayashi, W., Egami, T., Sanjo, M., Takamine, A., Fujita, T., Tominaga, D., Nakamura, Y., Furukawa, T., Wakui, T., Ichikawa, Y., Nishibata, H., Sato, T., Gladkov, A., Tao, L. C., Kawaguchi, T., Baba, Y., Iijima, M., ... Ueno, H. (2019). Absolute optical absorption cross-section measurement of Rb atoms injected into superfluid helium using energetic ion beams. Applied Physics Express, 12(1), [016502]. https://doi.org/10.7567/1882-0786/aaf0a9

Absolute optical absorption cross-section measurement of Rb atoms injected into superfluid helium using energetic ion beams. / Imamura, Kei; Matsuo, Yukari; Kobayashi, Wataru; Egami, Tsuyoshi; Sanjo, Makoto; Takamine, Aiko; Fujita, Tomomi; Tominaga, Daiki; Nakamura, Yutaro; Furukawa, Takeshi; Wakui, Takashi; Ichikawa, Yuichi ; Nishibata, Hiroki; Sato, Tomoya; Gladkov, Aleksey; Tao, Long Chun; Kawaguchi, Takafumi; Baba, Yosuke; Iijima, Mari; Gonda, Haruka; Takeuchi, Yasuharu; Nakazato, Rio; Odashima, Hitoshi; Ueno, Hideki.

In: Applied Physics Express, Vol. 12, No. 1, 016502, 01.01.2019.

研究成果: Contribution to journal › Article › 査読

Imamura, K, Matsuo, Y, Kobayashi, W, Egami, T, Sanjo, M, Takamine, A, Fujita, T, Tominaga, D, Nakamura, Y, Furukawa, T, Wakui, T, Ichikawa, Y , Nishibata, H, Sato, T, Gladkov, A, Tao, LC, Kawaguchi, T, Baba, Y, Iijima, M, Gonda, H, Takeuchi, Y, Nakazato, R, Odashima, H & Ueno, H 2019, 'Absolute optical absorption cross-section measurement of Rb atoms injected into superfluid helium using energetic ion beams', Applied Physics Express, vol. 12, no. 1, 016502. https://doi.org/10.7567/1882-0786/aaf0a9

Imamura, Kei ; Matsuo, Yukari ; Kobayashi, Wataru ; Egami, Tsuyoshi ; Sanjo, Makoto ; Takamine, Aiko ; Fujita, Tomomi ; Tominaga, Daiki ; Nakamura, Yutaro ; Furukawa, Takeshi ; Wakui, Takashi ; Ichikawa, Yuichi ; Nishibata, Hiroki ; Sato, Tomoya ; Gladkov, Aleksey ; Tao, Long Chun ; Kawaguchi, Takafumi ; Baba, Yosuke ; Iijima, Mari ; Gonda, Haruka ; Takeuchi, Yasuharu ; Nakazato, Rio ; Odashima, Hitoshi ; Ueno, Hideki. / Absolute optical absorption cross-section measurement of Rb atoms injected into superfluid helium using energetic ion beams. In: Applied Physics Express. 2019 ; Vol. 12, No. 1.

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abstract = " We report on a new in situ laser spectroscopy technique using superfluid helium and a highly energetic ion beam. In taking advantage of superfluid helium as a host matrix for laser spectroscopy, we were able to develop an extremely low background detection system. The first demonstration using 85 Rb 31+ ion beam (66 MeV/nucleon) accelerated at the RIKEN accelerator facility shows improvement of detection limit by two orders of magnitude. A quantitative evaluation of Rb atoms in the observation region enables an analysis of their optical absorption cross-section in superfluid helium from the fluorescence intensity dependence on ion-beam intensity and applied laser power. ",

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AU - Sanjo, Makoto

AU - Takamine, Aiko

AU - Fujita, Tomomi

AU - Tominaga, Daiki

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AU - Furukawa, Takeshi

AU - Wakui, Takashi

AU - Ichikawa, Yuichi

AU - Nishibata, Hiroki

AU - Sato, Tomoya

AU - Gladkov, Aleksey

AU - Tao, Long Chun

AU - Kawaguchi, Takafumi

AU - Baba, Yosuke

AU - Iijima, Mari

AU - Gonda, Haruka

AU - Takeuchi, Yasuharu

AU - Nakazato, Rio

AU - Odashima, Hitoshi

AU - Ueno, Hideki

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