BCRB 2018

Pu α particles

Optimum LET

Less efficient cell killing

8

Overkill

d(4)-Be

7

6

SF = 0.8

d(14)-Be

5

p(65)-Be

RBE

4

SF = 0.1

60 Co 250kVp

3

2 megavoltage Xrays

SF = 0.01

1

0

0.1

1

10

100

1000

Linear energy transfer (keV/ µ m)

Michael Joiner

Basic Clinical Radiobiology 2018

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