Poster presentation

Poster Presentation

Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC

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[P-R7-02]Study on the Activity of Cesium-137 in Surface Soils of Taiwan

*Jian-Wei You1, Hui-I Lo1, Wan-Ling Chen1
(1. Radiation Monitoring Center, Nuclear Safety Commission. (Taiwan))

Poster Presentation[R7]Environmental Radiochemistry
[Poster]R7
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-R7-07]Radon Concentration Measurement in Water Samples using Plastic scintillator pellets: Evaluation of Efficiency and Detection Limit

*Masahiro Hirota1, Koichi Sakakibara2, Kazuki Sawahata3, Yuka Kato3
(1. Research Center for Advanced Science and Technology, Shinshu University (Japan), 2. Faculty of Science, Shinshu University (Japan), 3. ALOKA Co., Ltd. (Japan))

Poster Presentation[R7]Environmental Radiochemistry
[Poster]R7
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-R7-09]Biological Tritium Analysis in Taiwan

HuanChing Huang1, HueiWen Tsai1, PingJi Huang1, *WanJyun Wei1
(1. National Atomic Research Institute (Taiwan))

Poster Presentation[R7]Environmental Radiochemistry
[Poster]R7
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-R7-15]A preliminary study- minute-level analysis of environmental gamma dose rate and precipitation

Wei-Min Li1, *Chi-Wen Hsieh1, Chuan-Pin Lee2,3, Yu-Jie Li4, Chun-Yi Fang4, Wei-Hsiang Tseng1, Yu-Cheng Tsai 1
(1. Department of Electrical Engineering, National Chung Cheng University (Taiwan), 2. Center for Energy and Environmental Research, National Tsing Hua University, Hsinchu City 300044, Taiwan (Taiwan), 3. Radioactive Waste Disposal Technology Research and Development Center, National Tsing Hua University, Hsinchu City 300044, Taiwan (Taiwan), 4. Radiation Monitoring Center, Nuclear Safety Commission, Kaohsiung City 833172, Taiwan (Taiwan))

Poster Presentation[R7]Environmental Radiochemistry
[Poster]R7
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-R7-16*]Measurement of Radioactive Cesium Transfer Factors from Fukushima-Contaminated Soil to Plants

*Yuzuha Mimura1, Kazuki Daikoku1, Ayuto Kato2, Mai Kondo2, Sawa Ishikawa1, Mizuki Sumihama3, Takashi Saito4, Haruki Minowa5, Hiroaki Tanigawa1, Miki Tanigawa1, Michio Okada1
(1. Osaka University (Japan), 2. Gifu University (Japan), 3. Osaka University / Gifu University (Japan), 4. Shokei Gakuin University (Japan), 5. Jikei University. Sch. Med. (Japan))

Poster Presentation[R7]Environmental Radiochemistry
[Poster]R7
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-R7-21*]Depth-Dependent Measurement of Radioactive Cesium Activity Concentration in a 30 cm Soil Core from Fukushima

*Kazuki Daikoku2, Mizuki Sumihama2,3, Haruka Minowa4, Yuzuha Mimura2, Takeshi Saito1, Sawa Ishikawa2, Mai Kondo3, Ayuto Kato3, Michio Okada2
(1. Shokei Gakuin University (Japan), 2. The University of Osaka (Japan), 3. Gifu University (Japan), 4. Jikei Univ. Sch. Med. (Japan))

Poster Presentation[R7]Environmental Radiochemistry
[Poster]R7
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-R7-23*]Density of Radioactive Cesium-Rich Microparticles in Contaminated Soils

*Koyo Takeuchi1, Shinya Yamasaki1, Satoshi Utsunomiya2, Yuichi Takaku1, Keisuke Sueki1, Yudai Shigekawa1, Aya Sakaguchi1
(1. University of Tsukuba (Japan), 2. Kyusyu University (Japan))

Poster Presentation[R7]Environmental Radiochemistry
[Poster]R7
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-R7-26]TRITIUM CONCENTRATION IN NATURAL WATER SAMPLES COLLECTED AT TOMIOKA TOWN LOCATED NEARBY FDNPP

*Naofumi Akata1, Haruka Kuwata1, Khemruthai Kheamsiri1, Rosianna Ilsa1, Yuisa Kitayama1, Honoka Fukuda1, Ryohei Yamada1, William James Stephenson1,2, Yasuyuki Taira3, Hideki Saito4, Noriyuki Takizawa4
(1. Hirosaki University (Japan), 2. Colorado State University (United States of America), 3. Nagasaki International University (Japan), 4. Tomioka Town Hall (Japan))

Poster Presentation[R7]Environmental Radiochemistry
[Poster]R7
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-R7-27*]DGT application to study dynamic speciation of
uranium in moderately basic environments

*Adrien Constandache1, Takumi Saito2
(1. Department of Nuclear Engineering and Management, School of Engineering, the University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656 (Japan), 2. Nuclear Professional School, School of Engineering, the University of Tokyo, 2-22 Shirakata-Shirane, Tokai-mura, Ibaraki 219-1188 (Japan))

Poster Presentation[R7]Environmental Radiochemistry
[Poster]R7
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-R7-28]Vertical distribution of 129I, 137Cs, 3H and 36Cl in unsaturated zone observed at Koriyama, Japan

*Tomoko Ohta1, Keith Fifield2, László Palcus3, Stephen G. Tims2, Stefan Pavetich2, Hiroyuki Matsuzaki4, Daisuke Tsumune5,6, Hiroshi Hayami6, Yasunori Mahara7
(1. Nagaoka University of Technology (Japan), 2. The Australian National University (Australia), 3. HUN-REN Institute for Nuclear Research (Hungary), 4. The University of Tokyo (Japan), 5. Tsukuba University (Japan), 6. Waseda University (Japan), 7. Kyoto University (Japan))

Poster Presentation[R7]Environmental Radiochemistry
[Poster]R7
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-R7-29]Radioactivity of Sulfurous Sinter Deposit from Beitou Hot Spring.

*Takashi Saito1, Yuto Takahashi1, Taiga Kaseda2, Hibiki Shirata2, Toru Takahashi2, Shunsuke Hashizume2, Yuya Koike3, Mototaka Nakamura4
(1. Shokei Gakuin University (Japan), 2. Graduate School of Science and Technology, Meiji University (Japan), 3. Meiji University (Japan), 4. Study of European Radon-spa Therapy (Japan))

Poster Presentation[R7]Environmental Radiochemistry
[Poster]R7
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-R7-31*]TRACING RADIONUCLIDES IN THE MARINE ENVIRONMENT USING THE NEW ”MILEA” ACCELERATOR MASS SPECTROMETRY FACILITY, REZ, CZECH REPUBLIC

*Petros Leivadaros1, Ole Christian Lind2, Hilde Elise Heldal3, Christos Tsabaris4
(1. Czech Technical University in Prague (Czech Republic), 2. Norwegian University of Life Sciences (Norway), 3. Institute of Marine Research (Norway), 4. Hellenic Centre for Marine Research (Greece))

Poster Presentation[R7]Environmental Radiochemistry
[Poster]R7
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-R7-32]NATURAL RADIOACTIVITY AND RADON INTENSITY IN DIFFERENT TYPES OF ROCK SPECIES AND SOIL IN KOREA

*Kilyong Lee1, Sungwon Kim2, Minyong Park1, Sang-Ok Lee3, Seung Hwan Lee2, Jung-Ki Shin1, Seongjae Jeong1, Jaeseung Heo1, Seonghun Choi1, Sangyong Kim1
(1. Neosiskorea Co., Ltd (Korea), 2. Korea Institute of Geoscience and Mineral Resources (Korea), 3. Korea National University of Heritage (Korea))

Poster Presentation[R7]Environmental Radiochemistry
[Poster]R7
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-P1-02]Radiation Safety Issues in the Dose Assessment Building for Advanced Radiation Emergency Medicine at QST Specializing in Radiochemistry and Bioassays

*Kohei Iwaya Iwaya1, Hatsuho Seno1, Guosheng Yang1, Eunjoo Kim1, Yoshinari Shiino1, Takeshi Maeda1, Norihiro Miyaushiro1, Ktsumi Uzawa1, Atsushi Kitagawa1, Munehiko Kowatari1, Osamu Kurihara1
(1. National Institutes for Quantum Science and Technology (Japan))

Poster Presentation[P1]Radiation Safety and Management
[Poster]P1
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-P1-04]DEVELOPMENT OF A METHOD FOR 36Cl ACTIVITY ANALYSIS IN ACTIVATED POWER CABLE SHEATH AT A LARGE-SCALE PROTON ACCELERATOR FACILITY USING ACCELERATOR MASS SPECTROMETRY (AMS)

*Go Yoshida1, Hiroshi Matsumura1, Masumi Matsumura2, Tatsuhiro Kimura2, Masaki Ishida1, Eisuke Watanabe1, Kiyokazu Tsugane1, Ryoken Shiobara3, Masahiro Mitsuhashi3, Masaaki Yamada3, Koji Oishi3, Koichi Nishikawa1, Akihiro Toyoda1, Hajime Nakamura1, Taichi Miura1, Kimikazu Sasa2, Thien Ngoc Bui4, Hiroshi Yashima5
(1. KEK (Japan), 2. University of TSUKUBA (Japan), 3. Japan Environment Research Co., Ltd. (Japan), 4. SOKENDAI (Japan), 5. Kyoto University (Japan))

Poster Presentation[P1]Radiation Safety and Management
[Poster]P1
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-P1-05]PRETREATMENT METHOD FOR MEASURING TRITIUM RADIOACTIVITY IN POWER CORD SHEATHS AT A LARGE-SCALE PROTON ACCELERATOR FACILITY

*Ryoken Shiobara1, Masahiro Mitsuhashi1, Masaaki Yamada1, Go Yoshida2, Akihiro Toyoda2, Masaki Ishida2, Kiyokazu Tsugane2, Hiroshi Matsumura2, Eisuke Watanabe2, Hajime Nakamura2, Taichi Miura2, Koji Oishi1
(1. Japan Environment Research (Japan), 2. High Energy Accelerator Research Organization (Japan))

Poster Presentation[P1]Radiation Safety and Management
[Poster]P1
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-P1-06]ANALYSIS OF AIRBORNE DUST COLLECTED IN THE J-PARC NEUTRINO EXPERIMENTAL FACILITY

*Eisuke Watanabe1,2, Eunji Lee1,2, Kazutoshi Takahashi1,2, Kiwamu Saito1,2, Yoshinobu Sakakibara1,2, Hiroshi Matsumura1, Go Yoshida1, Kiyokazu Tsugane1, Seiji Nagaguro1,2, Kotaro Bessho1,2, Hirohito Yamazaki1,2
(1. KEK (Japan), 2. J-PARC Center (Japan))

Poster Presentation[P1]Radiation Safety and Management
[Poster]P1
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-P1-07]OPTIMIZATION OF PINHOLE COLLIMATORS FOR ACTIVATION IMAGING WITH GEGI5 AND ITS PERFORMANCE VALIDATION AT KEK PHOTON FACTORY

*Kiyokazu Tsugane1, Go Yoshida1, Hiroshi Matsumura1, Akihiro Toyoda1, Hajime Nakamura1, Kazuyoshi Masumoto1, Taichi Miura1, Eisuke Watanabe1, Satoshi Shinohara1, Hiroshi Miyauchi1
(1. High Energy Accelerator Research Organization (Japan))

Poster Presentation[P1]Radiation Safety and Management
[Poster]P1
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-P1-08]MONITORING RADIONUCLIDES IN THE HELIUM GAS CIRCULATING THROUGH THE TARGET CHAMBER AT THE J-PARC HADRON EXPERIMENTAL FACILITY

*Kotaro Bessho1,2, Hiroaki Watanabe1,3, Ruri Kurasaki1,3, Masayuki Hagiwara1,2,4, Eisuke Watanabe1,2, Eunji Lee1,2, Kazutoshi Takahashi1,2, Yoshimi Kasugai1, Hirohito Yamazaki1,2
(1. J-PARC Center (Japan), 2. Radiation Science Center, KEK (Japan), 3. Institute of Particle and Nuclear Physics, KEK (Japan), 4. QST, NanoTerasu Center (Japan))

Poster Presentation[P1]Radiation Safety and Management
[Poster]P1
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-P1-09*]NON-DESTRUCTIVE AND ON-SITE ASSESSMENT FOR ACTIVATED CONCRETE IN 500 MeV PROTON BEAMLINE USING GAMMA DETECTORS

*Thien Ngoc Bui1, Go Yoshida2, Kotaro Bessho2, Kiyokazu Tsugane2, Akihiro Toyoda2, Ryuki Asakubo3, Hirokazu Kawamura3, Fumiyoshi Nobuhara3, Hiroshi Matsumura2, Eisuke Watanabe2, Hajime Nakamura2, Taichi Miura2
(1. Accelerator Science Program, SOKENDAI: 1-1 Oho, Tsukuba, Ibaraki, Japan, 305-0801, (Japan), 2. Radiation Science Center, High Energy Accelerator Research Organization (KEK): 1-1 Oho, Tsukuba, Ibaraki, Japan, 305-0801 (Japan), 3. Tokyo Nuclear Service Co. Ltd.: 19-2 Midorigahara 4chome, Tsukuba, Ibaraki, Japan (Japan))

Poster Presentation[P1]Radiation Safety and Management
[Poster]P1
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-P3-01*]Factors controlling dissolved 137Cs activities in Matsukawa-ura lagoon, a semi-closed estuary, after the Fukushima accident

*Takuya Niida1,2, Hyoe Takata3, Sho Watanabe4, Shinya Namura2, Toshihiro Wada3
(1. Graduate School of Symbiotic Systems Science and Technology, Fukushima University (Japan), 2. Laboratory for Instrumentation and Analysis, Environmental Engineering Division, KANSO TECHNOS CO., LTD (Japan), 3. Institute of Environmental Radioactivity, Fukushima University (Japan), 4. Fukushima Prefectural Research Institute of Fisheries Resources (Japan))

Poster Presentation[P3]Environmental Integrated Knowledge of Radionuclides Dynamics Studied from the Fukushima Accident
[Poster]P3
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-P3-03]Cellular effects induced by radiocesium-bearing microparticles (CsMPs)

*Masatoshi Suzuki1,2, Satoru Endo3, Kazuhiko Ninomiya3, Koichi Chida1, Manabu Fukumoto1
(1. Tohoku University (Japan), 2. Fukushima Institute for Research, Education and Innovation (Japan), 3. Hiroshima University (Japan))

Poster Presentation[P3]Environmental Integrated Knowledge of Radionuclides Dynamics Studied from the Fukushima Accident
[Poster]P3
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-P3-04]Fukushima Daiichi NPP-derived radiocesium concentrations
in the off-southern Hokkaido, Japan in 2018-2019

*Yuhei Shirotani1, Shota Kambayashi1, Naoko Murakami Sugihara1, Mutsuo Inoue2
(1. MARINE ECOLOGY RESEARCH INSTITUTE (Japan), 2. Kanazawa University (Japan))

Poster Presentation[P3]Environmental Integrated Knowledge of Radionuclides Dynamics Studied from the Fukushima Accident
[Poster]P3
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-P3-06]Uptake and Elimination of Radiocesium-137 in the Wild Silkmoth Antheraea yamamai

*Yusuke YOSHIDA1, Masaomi TAKAHASHI1, Akihiro Tohsaki1, Toshimasa MITAMURA2, Zenta KAJIURA3, Risako OHARA1, Takayuki HONDA4, Toru TAKAHASHI4, Satoshi INOSE4
(1. The University of Osaka (Japan), 2. Fukushima university (Japan), 3. Shinshu University (Japan), 4. Meiji University (Japan))

Poster Presentation[P3]Environmental Integrated Knowledge of Radionuclides Dynamics Studied from the Fukushima Accident
[Poster]P3
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster

[P-P3-07]How the hillslope groundwater discharge controls the dissolved radiocesium concentration of surface water in a forest headwater catchment

*Hiroaki Kato1, Hiroki Nakada1, Yuma Niwano1, Yuichi Onda1
(1. Center for Research in Radiation, Isotopes, and Earth System Sciences (Japan))

Poster Presentation[P3]Environmental Integrated Knowledge of Radionuclides Dynamics Studied from the Fukushima Accident
[Poster]P3
Mon. Sep 15, 2025 6:30 PM - 8:00 PM JST
Mon. Sep 15, 2025 9:30 AM - 11:00 AM UTC
Poster
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