7th Asia-Pacific Symposium on Radiochemistry 2025
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Session Details

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-P1-01]Minor accidents occurred at the Isotope Science Center, the University of Tokyo from FY2020 to FY2025

*Shogo Higaki1, Naoki Kosaka1, Atsuko N. Ozeki1, Masaomi Takahashi2, Tomokazu Suzuki2 (1. The University of Tokyo (Japan), 2. The University of Osaka (Japan))

[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))

[P-P1-03]ACTIVATION ASSESSMENT MANUAL FOR ACCELERATOR DECOMMISSIONING: DEVELOPMENT, REVISION, AND CONTRIBUTION TO INTERNATIONAL STANDARDIZATION

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

[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))

[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))

[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))

[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))

[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))

[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))

[P-P1-10]INFORMATION SHARING SYSTEM FOR THE PERSONAL MANAGEMENT OF ITINERANT RADIATION WORKERS

*Kazunori SATO1, Akihiro Hio1, Koji Kodama1, Shunnosuke Takahashi1, Hiroshi Watabe1 (1. Tohoku University (Japan))
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