Microsoft Word - RadBio_Programme_ParisSept2017

LET and RBE Conclusions 2

Typical values of LET are:

~0.3 keVµm

-1

for high-energy X and

rays

~2 keVµm

-1

for orthovoltage (~250 kVp) X rays

>100 keVµm

-1

for heavy charged particles