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	放射性崩壊分析	放射線線量評価
分野	原子核物理学	原子核物理学
系統	Process / pipeline	Process / pipeline
提唱年	1900	1928
提唱者	Ernest Rutherford, Frederick Soddy	International Commission on Radiological Protection (ICRP)
種類	analytical process model	computational health assessment pipeline
原典	Evans, R. D. (1955). The Atomic Nucleus. McGraw-Hill.	International Commission on Radiological Protection (2007). The 2007 Recommendations of the ICRP. Publication 103. Annals of the ICRP, 37(2–4).
別名	decay kinetics, radioactive decay modeling, half-life analysis	dose calculation, exposure assessment, radiation hazard evaluation
関連	5	5
概要	Nuclear decay analysis is the systematic study of radioactive transformation processes, originating from Rutherford and Soddy's work in the early 1900s. It quantifies the rate and modes of nuclear disintegration using decay constants, half-lives, and branching ratios to predict activity evolution, date samples via radiometric methods, and assess the long-term hazard from radioactive materials.	Radiation dose assessment is a systematic evaluation of human exposure to ionizing radiation from external or internal sources, formalized by the International Commission on Radiological Protection (ICRP) in the late 20th century. It combines radiation transport calculations with biological effect models to quantify absorbed dose, equivalent dose, and effective dose for worker safety and public health protection.