DEVELOPMENT OF THE BASELINE CORRECTION SYSTEM TO MEASURE HYPERFINE STRUCTURE OF RB ATOMS INJECTED INTO SUPERFLUID HELIUM

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  • 超流動ヘリウム中Rb原子の超微細構造間隔測定に向けた観測原子数補正システムの開発

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Abstract

We have been developing a laser spectroscopic method for atoms injected into superfluid helium (He II). We aim to measure hyperfine structure splitting which is caused by interaction between nuclei and valence electrons. So far, in the offline experiment, we succeeded in the measurement of hyperfine structure splitting of Rb. However, measurement accuracy and precision were not enough to discuss interaction between Rb and He atoms because of baseline fluctuation caused by instability of the number of atoms supplied by using laser ablation method. In this study, we developed a baseline correction system composed of electro-optic modulator and multi channel scaler, and performed baseline correction experiment by using this system for Rb in He II.

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Details 詳細情報について

  • CRID
    1390290699801673600
  • NII Article ID
    120006715049
  • NII Book ID
    AA12677220
  • DOI
    10.15002/00022073
  • HANDLE
    10114/00022073
  • ISSN
    21879923
  • Text Lang
    ja
  • Data Source
    • JaLC
    • IRDB
    • CiNii Articles
  • Abstract License Flag
    Allowed

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