Particle Therapy 2017

Particles: LET dependencies

Protons :

For a small volume within the distal part of a radiation field RBE

increases throughout the SOBP

Entrance SOBP front SOBP center SOBP distal

I n t e g r a l d o s

4

2 3

R B E

160 MeV protons, 10 cm SOBP

1

e d is tr i

1 10 100 1000

10-2 10-1 1 10 100

LET [keV/µm]

LET [keV/µm]

b u ti o

Belli et al. 1997; Weyrather et al.1999

Kilagua et al. 1978