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Marco Schippers, Beam production techniques for hadron therapy
ESTRO-course, Esen, March 6-10, 2017 28
Freq = 1/T
circle
V
dee
~
+
Small cyclotron; strong field
Cyclotron works while:
T
circle
independent from radius:
(particles move in pace with Vdee)
r
However (1):
at
very strong magnetic
fields:
⇒
Magnetic field decreases with radius
⇒
T
circle
↑
Bq
m
T
circle
.
.2
π
=
m
= mass
B
= magnetic field
q
= charge