Radiation weighting factor - Revision history

Chris Clement at 19:25, 18 August 2021

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Chris Clement at 19:24, 18 August 2021

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Chris Clement at 19:20, 18 August 2021

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Chris Clement at 19:15, 18 August 2021

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[[File:Glossary Icon-2.png|100px|frameless|right|link=ICRP Glossary]]
A dimensionless factor by which the organ or tissue absorbed dose is multiplied to reflect the higher biological effectiveness of high-LET radiations compared with low-LET radiations. It is used to derive the equivalent dose from the absorbed dose averaged over a tissue or organ. ([[ICRP Publication 103]], 2007)

'''Return to [[ICRP Glossary|Glossary]]'''

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 [[File:Glossary Icon-2.png|100px|frameless|right|link=ICRP Glossary]]
-A dimensionless factor by which the organ or tissue absorbed dose component of a radiation type R is multiplied to reﬂect the [[relative biological eﬀectiveness]] of that radiation type. It is used to derive the organ [[equivalent dose]] from the mean [[absorbed dose]] in an organ or tissue.
+A dimensionless factor by which the organ or tissue absorbed dose component of a radiation type R is multiplied to reﬂect the [[relative biological effectiveness]] of that radiation type. It is used to derive the organ [[equivalent dose]] from the mean [[absorbed dose]] in an organ or tissue.
 [[ICRP Publication 130]], 2015

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 == Previous glossary entries ==
-=== from [[ICRP Publication 103]], 2007 ===
+=== from [[ICRP Publication 136]], 2017 ===
-A dimensionless factor by which the organ or tissue absorbed dose is multiplied to reflect the higher biological effectiveness of high-LET radiations compared with low-LET radiations. It is used to derive the equivalent dose from the absorbed dose averaged over a tissue or organ.
+A dimensionless factor by which the organ or tissue absorbed dose is multiplied to reﬂect the higher biological eﬀectiveness of high-linear energy transfer (LET) radiations compared with low-LET radiations. It is used to derive the equivalent dose from the absorbed dose averaged over a tissue or organ.
-=== from [[ICRP Publication 116]], 2010 and [[ICRP Publication 120]], 2012 ===
+=== from [[ICRP Publication 123]], 2013 ===
-A dimensionless factor by which the organ or tissue absorbed dose is multiplied to reflect the relative biological effectiveness of high-LET radiations compared with photon radiations. It is used to derive the equivalent dose from the mean absorbed dose in an organ or tissue.
+A dimensionless factor by which the mean absorbed dose in an organ or tissue, D<sub>T</sub>, is multiplied to reflect the relative biological effectiveness of high-LET radiations compared with low-LET radiations. The product of w<sub>R</sub> and D<sub>T</sub> is the equivalent dose in the organ or tissue T.
 === from [[ICRP Publication 119]], 2012 ===
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 The radiation weighting factor is a dimensionless factor to derive the equivalent dose from the absorbed dose averaged over a tissue or organ, and is based on the quality of the radiation.
-=== from [[ICRP Publication 123]], 2013 ===
+=== from [[ICRP Publication 116]], 2010 and [[ICRP Publication 120]], 2012 ===
-A dimensionless factor by which the mean absorbed dose in an organ or tissue, D<sub>T</sub>, is multiplied to reflect the relative biological effectiveness of high-LET radiations compared with low-LET radiations. The product of w<sub>R</sub> and D<sub>T</sub> is the equivalent dose in the organ or tissue T.
+A dimensionless factor by which the organ or tissue absorbed dose is multiplied to reflect the higher biological effectiveness of high-LET radiations compared with low-LET radiations. It is used to derive the equivalent dose from the absorbed dose averaged over a tissue or organ.

← Older revision		Revision as of 19:20, 18 August 2021
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	== Previous glossary entries ==		== Previous glossary entries ==

−	=== from [[ICRP Publication ~~131~~]], ~~2015~~ ===	+	=== from [[ICRP Publication 103]], 2007 ===
		+
		+	A dimensionless factor by which the organ or tissue absorbed dose is multiplied to reflect the higher biological effectiveness of high-LET radiations compared with low-LET radiations. It is used to derive the equivalent dose from the absorbed dose averaged over a tissue or organ.
		+
		+	=== from [[ICRP Publication 116]], 2010 and [[ICRP Publication 120]], 2012 ===
		+
		+	A dimensionless factor by which the organ or tissue absorbed dose is multiplied to reflect the relative biological effectiveness of high-LET radiations compared with photon radiations. It is used to derive the equivalent dose from the mean absorbed dose in an organ or tissue.
		+
		+	=== from [[ICRP Publication 119]], 2012 ===
		+
		+	The radiation weighting factor is a dimensionless factor to derive the equivalent dose from the absorbed dose averaged over a tissue or organ, and is based on the quality of the radiation.
		+
		+	=== from [[ICRP Publication 123]], 2013 ===
		+
		+	A dimensionless factor by which the mean absorbed dose in an organ or tissue, D<sub>T</sub>, is multiplied to reflect the relative biological effectiveness of high-LET radiations compared with low-LET radiations. The product of w<sub>R</sub> and D<sub>T</sub> is the equivalent dose in the organ or tissue T.