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In vivo PET dosimetry
Range evaluation in Particle Therapy
Proton and Carbon-ion beams induced
b
+
activities
most relevant
b
+
active isotopes of rather long half-lives
15
O (t½ = 2.03 min),
11
C (t½ = 20.38 min),
13
N (t½ = 9.96 min),
38
K
(t½ = 7.6 min),
30
P (t½ = 2.5 min) and
34
Cl (t½ = 32.0 min)
sacrum chordoma patient
measured activity
expected activity
Frey K. et al.
Phys.
Med. Biol. 59 (2014)