Online ISSN: 1884-4111 Print ISSN: 0033-8303
Radioisotopes 66(11): 507-512 (2017)

特集Special Issues

13 マイクロドジメトリの観点から見た線量の不均一性13 Dose Heterogeneity from a Viewpoint of Microdosimetry

日本原子力研究開発機構原子力基礎工学研究センターJapan Atomic Energy Agency, Nuclear Science and Engineering Center ◇ 319–1195 茨城県那珂郡東海村白方2–4 ◇ 2–4 Shirakata, Tokai, Ibaraki Pref. 319–1195, Japan

発行日:2017年11月15日Published: November 15, 2017


Absorbed doses are heterogeneously distributed in microscopic scales such as DNA and cell nucleus. In order to clarify the influence of the microscopic dose heterogeneity on radiation effects, the probability density of microscopic doses should be evaluated. This report briefly reviews the concept of microscopic dose heterogeneity, and summarizes the features and applications of our developed model for calculating their probability density.

Key words: microdosimetry; probability density; relative biological effectiveness (RBE); linear energy transfer (LET); particle and heavy ion transport code system (PHITS)

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