An effective method for trapping ion beams in superfluid helium for laser spectroscopy experiments
- Yang X.F
- Furukawa T.
- Wakui T.
- Imamura K.
- Fujita H.
- Mitsuya Y.
- Hayasaka M.
- Ichikawa Y.
- Ishibashi Y.
- Shirai H.
- Ebara Y.
- Hatakeyama A.
- Wada M.
- Sonoda T.
- Ito T.
- Kobayashi T.
- Nishimura S.
- Nishimura M.
- Kondo Y.
- Yoneda K.
- Ueno H.
- Shinozuka T.
- Shimoda T.
- Asahi K.
- Matsuo Y.
Publication date
March 2014
DOI Publisher
EDP Sciences Journal
EPJ Web of ConferencesAbstract
A novel laser spectroscopy technique -“OROCHI” (Optical Radioisotopes Observation in Condensed Helium as Ion-catcher) has been proposed. This method aimed to investigate the structure of exotic nuclei systematically by measuring nuclear spins and moments. For in-situ laser spectroscopy of atoms in He II, a method to trap atoms precisely at the observation region of laser is highly needed. In this work, a setup composed of a degrader, two plastic scintillators and a photon detection system is further tested and verified for adjusting and checking the stopping position of 84–87Rb beam. Details of the current setup, experimental results using this method are presented
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