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Matsumura, H.

Paper Title Page
MOPEA064 Accelerator Mass Spectrometry at the Tsukuba 12 MV Pelletron Tandem Accelerator 223
 
  • K. Sasa, N. Kinoshita, Y. Nagashima, K. Sueki, T. Takahashi, Y. Tosaki
    UTTAC, Tsukuba, Ibaraki
  • K. Bessho, H. Matsumura
    KEK, Ibaraki
  • Y. Matsushi
    University of Tokyo, Research Center for Nuclear Science and Technology, Tokyo
 
 

Accelerator Mass Spectrometry (AMS) is a highly sensitive mass spectrometric method for measuring rare isotopes. The technique is mainly applied in chronology, earth and environmental sciences to date samples using long-lived radioisotopes. With a multi-nuclide AMS system on the 12 MV Pelletron tandem accelerator at the University of Tsukuba (Tsukuba AMS system), we are able to measure environmental levels of long-lived radioisotopes of C-14, Al-26, Cl-36, Ca-41 and I-129 by employing a molecular pilot beam method. The high terminal voltage of 12 MV is an advantage for AMS to detect heavy radioisotopes. The principle of AMS and applications with the Tsukuba AMS system will be reported in this paper.