1461 / 1542
Radiation Weighting Factors (
ICRP 60 ->103-116
)
Type of Radiation
W
R
beta
1
protons
2
Alpha-fission frag-heavy ions
20
X Rays
1
gamma rays
1
neutrons <10 keV
5
neutrons (10 keV – 100 keV)
10
neutrons (100 keV – 2 MeV)
20
neutrons (2 meV – 20 MeV)
10
neutrons >2 MeV
5
neutrons W
R
(E)
E (MeV)
Equivalent Dose H = D x w
R
Sievert (Sv); (rem = 0.01 Sv)