dose equivalent

Also known as equivalent absorbed radiation dose, equivalent dose of ionizing radiation, equivalent dose

absorbed dose of ionizing radiation weighted with the quality factor

Key facts

Common symbols: H
Si unit: sievert
Other units: röntgen equivalent man
In si base units: J ⋅ kg

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Equivalent dose (symbol H) is a dose quantity representing the stochastic health effects of low levels of ionizing radiation on the human body which represents the probability of radiation-induced cancer and genetic damage. It is derived from the physical quantity absorbed dose, but also takes into account the biological effectiveness of the radiation, which is dependent on the radiation type and energy. In the international system of units (SI), its unit of measure is the sievert (Sv).

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