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: ジャーナルへの寄稿 › 学術誌 › 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月 1 2019
外部発表	はい

!!!All Science Journal Classification (ASJC) codes

工学（全般）
物理学および天文学（全般）

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10.7567/1882-0786/aaf0a9

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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

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

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

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. ",

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

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doi = "10.7567/1882-0786/aaf0a9",

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AU - Imamura, Kei

AU - Matsuo, Yukari

AU - Kobayashi, Wataru

AU - Egami, Tsuyoshi

AU - Sanjo, Makoto

AU - Takamine, Aiko

AU - Fujita, Tomomi

AU - Tominaga, Daiki

AU - Nakamura, Yutaro

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

PY - 2019/1/1

Y1 - 2019/1/1

N2 - 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.

AB - 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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JF - Applied Physics Express

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

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