TRITIUM CONCENTRATION IN MONTHLY PRECIPITATION NEAR THE FUSION TEST FACILITY IN JAPAN BEFORE AND AFTER THE DEUTERIUM PLASMA EXPERIMENT-Reference-Cited by-同舟云学术

TRITIUM CONCENTRATION IN MONTHLY PRECIPITATION NEAR THE FUSION TEST FACILITY IN JAPAN BEFORE AND AFTER THE DEUTERIUM PLASMA EXPERIMENT

Published:2022-09 Issue:13-15 Volume:198 Page:976-984
ISSN:0144-8420
Container-title:Radiation Protection Dosimetry
language:en
Short-container-title:

Author:

Akata Naofumi¹^ORCID,Iwata Chie²,Nakada Miki²,Kato Akemi²,Okada Kazusa³,Kuwata Haruka¹^ORCID,Nakasone Shunya⁴,Tanaka Masahiro²^ORCID

Affiliation:

1. Hirosaki University Institute of Radiation Emergency and Medicine, , 66-1 Hon-cho, Hirosaki, Aomori 036-8564, Japan

2. National Institute of Natural Sciences National Institute for Fusion Science, , 322-6 Orishi-cho, Toki, Gifu 509-5292, Japan

3. Hirosaki University School of Health Science , 66-1 Hon-cho, Hirosaki, Aomori 036-8564, Japan

4. University of the Ryukyus Graduate School of Engineering and Science, , 1 Senbaru, Nishihara-cho, Nakagami-gun, Okinawa 903-0213, Japan

Abstract

Abstract In Japan, the deuterium plasma experiment using the Large Helical Device was started at the National Institute for Fusion Science (NIFS) in March 2017 to investigate high-temperature plasma physics and hydrogen isotope effects in research leading towards the realisation of fusion energy. The deuterium plasma experiment produces small amount of tritium by fusion reactions. To understand any impacts by the experiment to the surrounding environment, monthly precipitation samples have been collected at the NIFS site since November 2013 to assess the relationship between isotope composition and chemical species in precipitation including tritium. By comparing data before and after the deuterium plasma experiment start, it was found that tritium released from the main stack of the fusion test facility had no impact on the environment surrounding NIFS.

Funder

JSPS

NIFS

Publisher

Oxford University Press (OUP)

Subject

Public Health, Environmental and Occupational Health,Radiology, Nuclear Medicine and imaging,General Medicine,Radiation,Radiological and Ultrasound Technology

Link

https://academic.oup.com/rpd/article-pdf/198/13-15/976/45753678/ncac024.pdf

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