TOP IMPLART AT 152 MeV:
SPOT SCANNING AFTER
BEAM-1 LINE
<- L1-><-d-><-L2-><----------L---------->
M1
M2
Tentative
parameters:
L1=0.2 m
L2=0.4 m
d=0.2 m
L=1.5 m
Bmax=0.3 T
8 Aprile 2010
C. RONSIVALLE
BEAM-1 LINE (Current design)
Lquad=180 mm
1.6 m
0.6 m
Beam at the
entrance of
scanning
magnet 1
Horizontal size (FWHM)=8.7 mm
Vertical size (FWHM)=9.08 mm
Max. x-displacement
due to hor. kick given
by M1
M1 and M2 are approximated as
two steerers placed in the middle
of the magnets. Each particle gets
a kick depending on its energy
Beam at the
output of
scanning
magnet 2
Bx vs t for one
row scanning
time=100 msec
IRRADIATED FIELD:
100x100 mm
One row, nsteps=10
Step length=1 FWHM
F=100 Hz
Hor. centroids
displacement
IRRADIATED FIELD:
100x100 mm
One row, nsteps=10,
Step length=1 FWHM
F=100 Hz
IRRADIATED FIELD:
100x100 mm
One row, nsteps=20
Step length=FWHM/2
F=200 Hz
EXAMPLES OF SCANNING MAGNETS
1. CNAO
1. CNAO
2. INDIANA
UNIVERSITY
CYCLOTRON
FACILITYBLOOMINGTON
2. INDIANA UNIVERSITY CYCLOTRON
FACILITY-BLOOMINGTON
3. GSI