元日本アイソトープ協会Japan Radioisotope Association (former staff)
『放射線施設の遮蔽計算実務（放射線）データ集』（原子力安全技術センター）は遮蔽計算の典拠として広く利用されている。現行の2015年版のデータを補うため，近年重要性が高まっている85核種を対象に，光子の実効線量透過率，放射平衡を示す核種の使用状況を想定しての子孫核種，遮蔽材（鉛・タングステン・鉄・銅・コンクリート及び水）について計算を行った。
“Data for Shield Calculation of Radiation Facilities (2015)” are widely used as reference for shielding calculations of radiation facilities. This report provides the data of additional 85 radionuclides of which importance is increasing recently, while they are not included in the data book. The effective-dose transmittance of photons emitted from these nuclides were calculated. For the nuclides which show radioactive equilibrium, the progeny nuclides were included in the calculation, considering the usage conditions. The calculations were performed with following shielding materials: lead, tungsten, iron, copper, concrete, and water.
Key words: effective-dose transmittance; 85 radionuclides; lead; tungsten; iron; copper; concrete; water
© Japan Radioisotope Association 2023. This is an open access article distributed under the Creative Commons Attribution 4.0 International (CC BY-NC-ND 4.0) License (https://creativecommons.org/licenses/by/4.0/)© Japan Radioisotope Association 2023. This is an open access article distributed under the Creative Commons Attribution 4.0 International (CC BY-NC-ND 4.0) License (https://creativecommons.org/licenses/by/4.0/)
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