ESTRO PT 2018

Synchro-Cyclotron

But…. stronger magn.fields  Smaller machines !

~

V

T circle

increases with radius.

dee

f RF with radius and

SO: decrease

extract

Repeat 1000 x per sec

f RF

1 ms

time

Each pulse: set intensity at source within ms (=> typ 10-30% accuracy) => Spot scanning requires 2-3 pulses per spot.

Marco Schippers, Beam production techniques for hadron therapy

ESTRO-course, Wien, March 5-9, 2018 32