CLIC RF structure development meeting 10032010 A Degiovanni U Amaldi R Bonomi M Garlasché A Garonna R Wegner S Verdú Andrés Hadron therapy the basics 10032010 ID: 802510
Download The PPT/PDF document "…next steps: the CABOTO-C project" is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.
Slide1
…next steps:the CABOTO-C project
CLIC - RF structure development meeting10.03.2010A. Degiovanni U. Amaldi, R. Bonomi, M. Garlasché, A. Garonna, R. Wegner, S. Verdú Andrés
Slide2Hadron therapy
: the basics10/03/2010Alberto Degiovanni – TERA Foundation2
charged hadron beam
that loses energy in matter
27 cm
tumour
target
4800 MeV – 0.1 nA
carbon ions
(
radioresistant
tumours
)
200 MeV - 1 nAprotons
Photons
Protons
X
rays
protons or
carbon ions
tail
cobalt 60
e
-
linac
httt://global.mitsubishielectric.com/bu/particlebeam/index_b.html
light
ion (carbon
)
proton
Courtesy of PSI
Courtesy
of
PSI
Slide3Accelerators for
hadron therapyRELIABILITY stability of structure and beamPRECISION 3D
conformal treatment
FLEXIBILITY
accelerated
particles
,
energy
, intensity
SIMPLE OPERATION, REPAIRING
MODULARITY installation and
maintenance…COSTS compactness, power consumption10/03/2010
3
What
are
the
most important
characteristics of a hadron therapy center ?
…it’s
a COMPLEX PROBLEM, with
many possible solutions
!
Alberto
Degiovanni – TERA Foundation
Slide4The CYCLINAC
solution10/03/20104
LIGHT = Linac
for Image
Guided
Hadron
Therapy
1993:
first
Cyclinac
proposal
2003:
test
on
LIBO-62
MeV (TERA-CERN-INFN)
2009:
LIGHT
production
(
ADAM=Application of Detectors and Accelerators
to Medicine)
2001: first IDRA-design
2007:
first
CABOTO
design
Alberto
Degiovanni – TERA Foundation
Slide5S, C, X band SW / TW solutions (
A. Grudiev, X-band travelling wave structure for TERA, 2009-03-25)
C
band
,
5.7
GHz
X-band
11.4
GHz
L-band
1.3
GHz
Microwave Frequency SpectrumS-band 2.8
GHz
2007: CABOTO-S 300-430 for SCENT
2009: CABOTO-S 230-400 for Synchrocyclotron
10/03/2010
5
Review
of CABOTO
project
2010: CABOTO-C 120-400 for
K480 SC
Cyclotron
Alberto
Degiovanni – TERA Foundation
Slide6LINAC
LengthIncrease in Effective Shunt ImpedanceFilling time reductionBreakdown limits - higher gradient
RF power source
availability
Transverse
emittance
constraints
Costs
of
high
precision machining
10/03/2010
6
vs.Higher frequency…Why?
2007: CABOTO-S 300-430 for SCENT
2009: CABOTO-S 230-400 for Synchrocyclotron
2010: CABOTO-C 120-400 for K480 SC Cyclotron
Alberto
Degiovanni – TERA Foundation
Slide7The
CYCLINAC solution7CABOTO-C
120
MeV/u
400
MeV/u
CABOTO-C
components
Source
EBIS - SC
Cyclotron
K
480
-
SC
200
tonsLinac
CCL @ 5.7 GHz18 modules
RF power system
Klystron (P
peak 12 MW)
CArbon
BOoster
for Therapy
in Oncology
CABOTO =
120-400
MeV/u
10/03/2010
Alberto
Degiovanni – TERA Foundation
Slide8Flexibility
C6+ ions (Q/A=½)EBIS-SC (SuperConducting-Electron Beam Ion Source)
4x108
C
6+
ions (in 3
μs
pulses at
300 Hz
)
10/03/2010
8
Zschornack G. et al, Compact Electron Beam Ion sources / Traps : Review and Prospects, Review of Scientific Instruments 79, 02A703, 2008
Dreebit
Gmbh.
SOURCE
H
2
+
C
6+
Alberto
Degiovanni – TERA Foundation
Slide9Compactness
10/03/20109
CYCLOTRON
Output
energy: 120 MeV/u
K = 480 superconducting cyclotron
Weight: ~ 200 tons
Saha
S., Superconducting magnet for K-500 cyclotron at VECC, Kolkata, Cryogenics, v. 49 (6), 235-242, 2009
Alberto
Degiovanni – TERA Foundation
Slide10Modularity
Cell Coupled Linac RF frequency: 5.7 GHz
18 accelerating modules
-
Length
of
each
module
~
1.3
mHigh gradient
: 40 MV/m (
TERA+CLIC collaboration)
10/03/201010CELL COUPLED LINAC
TANK
30
cm
5
cm
HALF CELLS
Alberto
Degiovanni – TERA Foundation
Slide11Modularity
C-band klystrons (12 MW Peak Power*)Solid State ModulatorsRepetition rate: 200-300 HzPulse length: 4 μ
s
10/03/2010
11
* Toshiba Electron Tubes and Devices Co. LTD.
RF POWER SYSTEM
3 GHz,
Scandinova
C
band
,
5.7
GHz
Alberto
Degiovanni – TERA Foundation
Slide1218
mod ON17 mod ON
16 mod ON
15
mod
ON
14
mod
ON
Active
Energy
Modulation
+
3D feedback
system
Treatment
of
MOVING
ORGANS
10/03/2010
12
Fast
active
energy
modulation
β
x
(m)
0.403
β
y
(m)
1.493
β
z
(deg/MeV)
32.620
ε
x
(mm
mrad
)
1.5
ε
y
(mm
mrad
)
1.5
ε
z
(deg MeV)
10
Alberto
Degiovanni – TERA Foundation
Slide13Tumor multipainting
Fast cycling machine(high repetition rate)TumorMULTIPAINTING
10/03/2010
13
Single ‘spot’
pencil beam
Lateral scanning with
magnets: 2 ms/step
3D conformal
treatment
Depth scanning: ACTIVE ENERGY MODULATION
Alberto
Degiovanni – TERA Foundation
Slide14SUMMARY
First design in C-band for a dual hadron therapy center !CYCLINAC is a competitive
solution
for
hadron
therapy
:
High
Repetition
Rate :
300
Hz
tumor multipainting
Total power consumption ~ 800 kW
reduced costsFast active energy modulation moving organsHigh Accelerating Gradient : 40
MV/m reduced
size
10/03/2010
14
Alberto
Degiovanni – TERA Foundation
Slide15Dimensional
comparison among carbon ion accelerators10/03/2010
15
Alberto
Degiovanni – TERA Foundation
Slide16Output
Energy: 404 MeV/uTotal Length: 23.2 m
n. Klystron:
18
Total
Peak
Power:
170 MW
Module
n. tank
progr
. tank #
n
Acc.Cell
E
S
(
max
surface el. field
)
E
0 (axial el. field)
Energy
Energy gain
Length
progr. Length
Peak Power (13% losses)% used power from klystron
progr. Power (with losses)
Range in water
-
--
-
MV/m
MV/m
MeV/u
MeV/u
m
m
MW
MW
MW
cm
1
3
3
21
181
39.0
133
13.34
1.05
1.05
9.41
0.78
9
4.47
2
3
6
21
180
38.9
147
13.89
1.24
2.29
9.41
0.78
19
5.27
3
3
9
21
180
38.8
162
14.41
1.21
3.50
9.42
0.79
28
6.15
4
3
12
21
179
38.7
177
14.88
1.25
4.75
9.43
0.79
38
7.11
5
3
15
20
183
39.6
191
14.95
1.25
6.00
9.43
0.79
47
8.12
6
3
18
20
182
39.4
207
15.34
1.29
7.29
9.44
0.79
57
9.21
7
3
21
20
182
39.3
223
15.70
1.32
8.62
9.45
0.79
66
10.39
8
3
24
20
181
39.1
239
16.03
1.36
9.98
9.45
0.79
75
11.64
9
3
27
19
184
40.0
254
15.92
1.34
11.32
9.46
0.79
85
12.94
10
3
30
19
183
39.8
271
16.18
1.28
12.60
9.46
0.79
94
14.33
11
3
33
19
182
39.7
287
16.43
1.30
13.90
9.46
0.79
104
15.79
12
3
36
19
180
39.5
304
16.66
1.33
15.23
9.46
0.79
113
17.34
13
3
39
18
183
40.4
320
16.42
1.30
16.53
9.47
0.79
123
18.93
14
3
42
18
182
40.2
337
16.60
1.32
17.85
9.47
0.79
132
20.59
15
3
45
18
180
40.0
354
16.78
1.34
19.19
9.47
0.79
142
22.34
16
3
48
18
178
39.9
370
16.92
1.36
20.55
9.47
0.79
151
24.17
17
3
51
17
181
40.8
387
16.59
1.33
21.88
9.47
0.79
161
26.02183541717940.740416.711.3423.229.480.7917027.95
CABOTO-C high field
10/03/2010
16
Alberto
Degiovanni – TERA Foundation
Slide17CABOTO-C
low fieldModule
n. tank
progr. tank #
n
Acc.Cell
E
S
(max surface el. field)
E
0
(axial el. field)
Energy
Energy gain
Lengthprogr. LengthPeak Power (13% losses)
% used power from klystron
progr. Power (with losses)
Range in water
-
-
-
-
MV/m
MV/m
MeV/u
MeV/u
m
m
MW
MW
MW
cm
1
4
4
21
149
32.2
135
14.69
1.38
1.38
8.53
0.71
9
4.54
2
4
8
21
149
32.1
150
15.35
1.56
2.94
8.54
0.71
17
5.44
3
4
12
21
148
32.0
166
15.97
1.63
4.57
8.55
0.71
26
6.43
4
4
16
21
148
31.9
183
16.53
1.69
6.26
8.56
0.71
34
7.51
5
4
20
21
147
31.8
200
17.05
1.75
8.01
8.56
0.71
43
8.69
6
4
24
20
150
32.5
217
17.09
1.75
9.75
8.57
0.71
51
9.94
7
4
28
20
149
32.3
234
17.51
1.67
11.43
8.57
0.71
60
11.29
8
4
32
20
148
32.2
252
17.89
1.72
13.15
8.58
0.71
68
12.75
9
4
36
20
147
32.0
270
18.23
1.76
14.91
8.58
0.72
77
14.30
10
4
40
20
146
31.9
289
18.55
1.81
16.72
8.58
0.72
86
15.96
11
4
44
19
148
32.5
307
18.35
1.78
18.49
8.58
0.72
94
17.67
12
4
48
19
147
32.4
326
18.60
1.81
20.30
8.59
0.72
103
19.49
13
4
52
19
145
32.2
345
18.84
1.84
22.15
8.59
0.72
111
21.41
14
4
56
18
148
33.0
363
18.52
1.80
23.95
8.59
0.72
120
23.38
15
4
60
18
146
32.8
382
18.71
1.83
25.78
8.59
0.72
129
25.44
16
4
64
18
144
32.6
401
18.87
1.86
27.64
8.59
0.72
137
27.60
Output
Energy
:
401 MeV/u
Total
Length
:
27.6 m
n. Klystron:
16
Total
Peak
Power:
140 MW
10/03/2010
17
Alberto
Degiovanni – TERA Foundation
Slide18SUMMARY
First design in C-band for a dual hadron therapy center !CYCLINAC
is a competitive
solution
for
hadron
therapy
:
High
Repetition Rate : 300
Hz tumor
multipaintingTotal power consumption
~ 800 kW reduced costsFast active energy modulationHigh Accelerating Gradient : 40 MV/m
reduced size
Further
developements:Construction
and test
of a small
module in C-band
!
10/03/2010
18
Alberto
Degiovanni – TERA Foundation
Slide19THANK YOU FOR YOUR ATTENTION