Development of a helium cryostat for laser spectroscopy of atoms with unstable nuclei in superfluid helium

We are developing a new nuclear laser spectroscopic technique for the study of nuclear structure that can be applied to short-lived low-yield atoms with unstable nuclei. The method utilizes superfluid helium (He II) as a trapping medium for high-energy ion beams. A liquid helium cryostat with optica...

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Veröffentlicht in:	Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms Beam interactions with materials and atoms, 2013-12, Vol.317, p.595-598
Hauptverfasser:	Imamura, Kei, Furukawa, Takeshi, Wakui, Takashi, Yang, Xiaofei, Yamaguchi, Yasuhiro, Tetsuka, Hiroki, Mitsuya, Yosuke, Tsutsui, Yoshiki, Fujita, Tomomi, Ebara, Yuta, Hayasaka, Miki, Arai, Shino, Muramoto, Sosuke, Ichikawa, Yuichi, Ishibashi, Yoko, Yoshida, Naoki, Shirai, Hazuki, Hatakeyama, Atsushi, Wada, Michiharu, Sonoda, Tetsu, Ito, Yuta, Odashima, Hitoshi, Kobayashi, Tohru, Ueno, Hideki, Shimoda, Tadashi, Asahi, Koichiro, Matsuo, Yukari
Format:	Artikel
Sprache:	eng
Schlagworte:	Atomic beam spectroscopy Cryostats Fluids Helium Laser spectroscopy Lasers Liquid helium Nuclear structure Nuclei Superfluid helium Superfluidity
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Beschreibung
Zusammenfassung:	We are developing a new nuclear laser spectroscopic technique for the study of nuclear structure that can be applied to short-lived low-yield atoms with unstable nuclei. The method utilizes superfluid helium (He II) as a trapping medium for high-energy ion beams. A liquid helium cryostat with optical windows is a key apparatus for this type of experiment. We describe the design and the performance of the cryostat which is developed for the present project.
ISSN:	0168-583X 1872-9584
DOI:	10.1016/j.nimb.2013.08.024