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SYMPOSIA PAPER Published: 14 December 2018

STP160820170060

Image Reconstruction of Radioactive Contamination Due to the Fukushima-Daiichi Nuclear Power Station Accident Using a Compact Compton Camera

Source

We developed a lightweight compact Compton camera to measure the distribution of radioactive contamination inside the Fukushima Daiichi Nuclear Power Station. We conducted performance evaluation tests in the coastal area of Fukushima, Japan, using the camera, which employs a cerium (Ce)-doped GAGG (Gd₃Al₂Ga₃O₁₂) scintillator coupled with a multipixel photon counter. The camera can clearly visualize spreading of radioactivity along the ground surface. In addition, we performed three-dimensional image reconstruction of the distribution of radioactive contamination using the multi-angle data obtained with the Compton camera. We succeeded in obtaining a three-dimensional image of radioactive contamination in the outdoor area.

Author Information

Sato, Yuki

Collaborative Laboratories for Advanced Decommissioning Science, Japan Atomic Energy Agency, Fukushima, JP

Terasaka, Yuta

Collaborative Laboratories for Advanced Decommissioning Science, Japan Atomic Energy Agency, Fukushima, JP

Miyamura, Hiroko, Nakamura

Collaborative Laboratories for Advanced Decommissioning Science, Japan Atomic Energy Agency, Fukushima, JP

Kaburagi, Masaaki

Collaborative Laboratories for Advanced Decommissioning Science, Japan Atomic Energy Agency, Fukushima, JP

Tanifuji, Yuta

Collaborative Laboratories for Advanced Decommissioning Science, Japan Atomic Energy Agency, Fukushima, JP

Kawabata, Kuniaki

Collaborative Laboratories for Advanced Decommissioning Science, Japan Atomic Energy Agency, Fukushima, JP

Torii, Tatsuo

Collaborative Laboratories for Advanced Decommissioning Science, Japan Atomic Energy Agency, Fukushima, JP

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Details

Developed by Committee: E10

Pages: 428–436

DOI: 10.1520/STP160820170060

ISBN-EB: 978-0-8031-7662-1

ISBN-13: 978-0-8031-7661-4