Experimental search for 129Xe atomic EDM with nuclear spin maser technique

T. Inoue, T. Furukawa, T. Nanao, A. Yoshimi, K. Suzuki, M. Chikamori, M. Tsuchiya, H. Hayashi, M. Uchida, K. Asahi

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)


The development of a nuclear spin oscillator system, namely a spin maser with an external feedback, for use in the search for 129Xe atomic EDM is presented. By introducing a new current source for the B0 field solenoid, drifts in the maser frequency were remarkably suppressed. This in turn clearly brought out the correlation between the maser frequency and the environmental field. Correcting for the effect of the environmental field, the frequency precision of 5 nHz in the measurement time of 45,000 s was attained. Origins of the remaining drifts in the maser frequency are now under investigation.

Original languageEnglish
Pages (from-to)100-103
Number of pages4
JournalPhysics Procedia
Publication statusPublished - 2011
Event2nd International Workshop on the Physics of Fundamental Symmetries and Interactions, PSI 2010 - Villigen, Switzerland
Duration: 2010 Oct 112010 Oct 14


  • Electric dipole moment
  • Frequency precision
  • Nuclear spin maser
  • Optical pumping
  • Spin precession

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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