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  2. Relative biological effectiveness - Wikipedia

    en.wikipedia.org/wiki/Relative_biological...

    Radiation weighting factors that go from physical energy to biological effect must not be confused with tissue weighting factors. The tissue weighting factors are used to convert an equivalent dose to a given tissue in the body, to an effective dose , a number that provides an estimation of total danger to the whole organism, as a result of the ...

  3. Effective dose (radiation) - Wikipedia

    en.wikipedia.org/wiki/Effective_dose_(radiation)

    Effective dose is a dose quantity in the International Commission on Radiological Protection (ICRP) system of radiological protection. [1]It is the tissue-weighted sum of the equivalent doses in all specified tissues and organs of the human body and represents the stochastic health risk to the whole body, which is the probability of cancer induction and genetic effects, of low levels of ...

  4. Equivalent dose - Wikipedia

    en.wikipedia.org/wiki/Equivalent_dose

    W R is the radiation weighting factor defined by regulation. Thus for example, an absorbed dose of 1 Gy by alpha particles will lead to an equivalent dose of 20 Sv, and an equivalent dose of radiation is estimated to have the same biological effect as an equal amount of absorbed dose of gamma rays, which is given a weighting factor of 1.

  5. Sievert - Wikipedia

    en.wikipedia.org/wiki/Sievert

    The second weighting factor is the tissue factor W T, but it is used only if there has been non-uniform irradiation of a body. If the body has been subject to uniform irradiation, the effective dose equals the whole body equivalent dose, and only the radiation weighting factor W R is used. But if there is partial or non-uniform body irradiation ...

  6. Orders of magnitude (radiation) - Wikipedia

    en.wikipedia.org/.../Orders_of_magnitude_(radiation)

    Recognized effects of higher acute radiation doses are described in more detail in the article on radiation poisoning.Although the International System of Units (SI) defines the sievert (Sv) as the unit of radiation dose equivalent, chronic radiation levels and standards are still often given in units of millirems (mrem), where 1 mrem equals 1/1,000 of a rem and 1 rem equals 0.01 Sv.

  7. Radiation exposure - Wikipedia

    en.wikipedia.org/wiki/Radiation_exposure

    This is done using tissue weighting factor, which takes into account how each tissue in the body has different sensitivity to radiation. [4] The effective dose is the risk of radiation averaged over the entire body. [4] Ionizing radiation is known to cause cancer in humans. [4]

  8. Neutron bomb - Wikipedia

    en.wikipedia.org/wiki/Neutron_bomb

    The radiation weighting factor for neutrons of various energy has been revised over time and certain agencies have different weighting factors; however, despite the variation amongst the agencies, from the graph, for a given energy, a fusion neutron (14.1 MeV) although more energetic, is less biologically harmful as rated in Sieverts, than a ...

  9. Effects of nuclear explosions on human health - Wikipedia

    en.wikipedia.org/wiki/Effects_of_nuclear...

    Bone marrow death is caused by a dose of radiation between 2 and 10 Gray and is characterized by the part of the bone marrow that makes the blood being broken down. Therefore, production of red and white blood cells and platelets is stopped due to loss of the blood-making stem cells (4.5 Gray kills 95% of stem cells).

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