Status of the AMS system at Yamagata University

Toru Moriya; Mirei Takeyama; Hirohisa Sakurai; Toyoharu Umebayashi; Teiko Toyoguchi; Tadashi Shiraishi; Hiroko Miyahara; Motonari Ohyama; Kohei Nozawa; Satoshi Ito; Shigeru Itoh; Masashi Hirota; Fuyuki Tokanai

doi:10.1016/j.nimb.2018.11.004

Status of the AMS system at Yamagata University

Toru Moriya, Mirei Takeyama, Hirohisa Sakurai, Toyoharu Umebayashi, Teiko Toyoguchi, Tadashi Shiraishi, Hiroko Miyahara, Motonari Ohyama, Kohei Nozawa, Satoshi Ito, Shigeru Itoh, Masashi Hirota, Fuyuki Tokanai

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Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

An accelerator mass spectrometry (AMS) system and an automated graphitization line were installed at Yamagata University (YU) in 2009. Approximately 2000 samples are measured per year using the YU-AMS system. The long-term stability of the system was assessed by measuring the standard sample IAEA-C7 graphitized by the automated graphitization line. In March 2014, a second automated graphitization line and an additional ion source for the YU-AMS system were installed to meet the requirement of ¹⁴C measurement for pharmacological and medical applications. A phosphoric acid treatment system was also developed for the radiocarbon dating of calcium carbonate (CaCO₃) in shell and coral samples. Performance tests on the new YU-AMS system were carried out by measuring the C-series standard samples (C1-C9) and oxalic acid II (HOxII) obtained from IAEA and NIST, respectively. The results of the ¹⁴C concentration pMC are in good agreement with the consensus values. Performance tests for medical applications were also carried out by measuring the ¹⁴C concentration of ¹⁴C-glucose in human plasma.

Original language	English
Pages (from-to)	94-99
Number of pages	6
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	439
DOIs	https://doi.org/10.1016/j.nimb.2018.11.004
Publication status	Published - 2019 Jan 15

Keywords

AMS
Microdosing
Radiocarbon dating

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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Moriya, T., Takeyama, M., Sakurai, H., Umebayashi, T., Toyoguchi, T., Shiraishi, T., Miyahara, H., Ohyama, M., Nozawa, K., Ito, S., Itoh, S., Hirota, M., & Tokanai, F. (2019). Status of the AMS system at Yamagata University. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 439, 94-99. https://doi.org/10.1016/j.nimb.2018.11.004

Status of the AMS system at Yamagata University. / Moriya, Toru; Takeyama, Mirei; Sakurai, Hirohisa; Umebayashi, Toyoharu; Toyoguchi, Teiko; Shiraishi, Tadashi; Miyahara, Hiroko; Ohyama, Motonari; Nozawa, Kohei; Ito, Satoshi; Itoh, Shigeru; Hirota, Masashi; Tokanai, Fuyuki.

In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 439, 15.01.2019, p. 94-99.

Research output: Contribution to journal › Article › peer-review

Moriya, T, Takeyama, M, Sakurai, H, Umebayashi, T, Toyoguchi, T, Shiraishi, T, Miyahara, H, Ohyama, M, Nozawa, K, Ito, S, Itoh, S, Hirota, M & Tokanai, F 2019, 'Status of the AMS system at Yamagata University', Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, vol. 439, pp. 94-99. https://doi.org/10.1016/j.nimb.2018.11.004

Moriya, Toru ; Takeyama, Mirei ; Sakurai, Hirohisa ; Umebayashi, Toyoharu ; Toyoguchi, Teiko ; Shiraishi, Tadashi ; Miyahara, Hiroko ; Ohyama, Motonari ; Nozawa, Kohei ; Ito, Satoshi ; Itoh, Shigeru ; Hirota, Masashi ; Tokanai, Fuyuki. / Status of the AMS system at Yamagata University. In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. 2019 ; Vol. 439. pp. 94-99.

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