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Equivalent dose

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[[File:Glossary Icon-2.png|100px|frameless|right|link=ICRP Glossary]]
The equivalent dose in an organ or tissue is given by:
</div>
where D<sub>R,T</sub> is the mean absorbed dose from radiation R in a tissue or organ T, and w<sub>R</sub> is the radiation weighting factor. The SI unit of equivalent dose is joule per kilogram (J/kg<sup>-1</sup>), and its special name is sievert (Sv). ([[ICRP Publication 123]], 2013)
''([[ICRP GlossaryPublication 123]] entry - May 2019'', 2013)
'''Return to [[ICRP Glossary|Glossary]]'''
 
See also the ICRPaedia entry on [[Absorbed,_Equivalent,_and_Effective_Dose|absorbed, equivalent, and effective dose]].
 
== Previous glossary entries ==
 
=== from [[ICRP Publication 130]], 2015 ===
===Previous Description===
The equivalent dose to a tissue or organ is defined as:
<div style='text-align: center;'>
</math>
</div>
where 𝑀𝑅 is the radiation weighting factor for radiation type R, and 𝐷𝑅,𝑇 is the organ absorbed dose from radiation type R in a tissue or organ π‘Ÿπ‘‡ of the Reference Adult Male or the Reference Adult Female. As 𝑀𝑅 is dimensionless, the SI unit for the equivalent dose is the same as for absorbed dose, J kg-1, and its special name is sievert (Sv). (From [[ICRP Publication 130]], 2015)
=== from [[ICRP Publication 133]], 2016 ===
The equivalent dose to a tissue or organ is defined as:
</math>
</div>
where 𝑀𝑅 is the radiation weighting factor for radiation type R, and 𝐷𝑅,𝑇 is the organ absorbed dose from radiation type R in a tissue or organ π‘Ÿπ‘‡ of the Reference Adult Male or the Reference Adult Female. As 𝑀𝑅 is dimensionless, the SI unit for the equivalent dose is the same as for absorbed dose, joule per kilogram (J kg-1) and its special name is sievert (Sv).(From [[ICRP Publication 133]], 2016)Β '''Return to [[ICRP Glossary|Glossary]]'''