Radiation Weighting Factors - Panasonic PT-DZ12000U Operating Instructions Manual

RADIATION WEIGHTING FACTORS (ICRP 60)
Type and Energy Range
Photons, all energies
Electrons and muons, all energies
Neutrons, <10 keV
10 keV to 100 keV
100 keV to 2 MeV
2 MeV to 20 MeV
> 20 MeV
Protons, other than recoil protons, energy > 2MeV
Alpha particles, fission fragments, heavy nuclei
1
All values relate to the radiation incident on the body or, for
internal sources, emitted from the source.
2
The choice of values for other radiation is discussed in Annex
A of Publication 60.
3
Excluding Auger electrons emitted from nuclei bound to DNA
ICRP 60 Tissue Weighting Factors
Tissue or organ
Gonads
Bone marrow (red)
Colon
Lung
Stomach
Bladder
Breast
Liver
Oesophagus
Thyroid
Skin
Bone surface
Remainder
2
Radiation Weighting Factor, W
3
Tissue weighting factor, W
0.20
0.12
0.12
0.12
0.12
0.05
0.05
0.05
0.05
0.05
0.01
0.01
0.05
50
1
1
1
5
10
20
10
5
5
20
T
R