Transcript For the RACCAM Project - Helmholtz

Fixed Field Alternating Gradient
Accelerators
G. Wüstefeld
best inputs from cyclotrons and synchrotrons
- dc magnetic fields: reliability
- radial ‘compact’
- kHz acceleration: reduced space charge limit
(- fixed transverse tunes: beam stability)
RACCAM - Project
Protonen therapy FFAG
Spiral FFAG
Extr. E / MeV
Inj. E / MeV
R/m
I / nA
Rep rate
HF / MHz
70 - 180
5.5 - 15
2.79 – 3.46
>100
> 100 Hz
1.86 – 7.54
-> 1 prototype magnet built
For the RACCAM Project (EPAC 2008):
J. Fourrier, F. M´eot , J. Pasternak, LPSC, Grenoble, France
M. Conjat, J. Mandrillon, P. Mandrillon, AIMA-Development, Nice, France
FFAG-ERIT
Energy/Emittance Recovery Internal Target
n-production for boron neutron capture therapy
Radial FFAG
E / MeV
10
<R> / m
2.35
HF / MHz
18.1
HF / kV
230
V-gap hight / mm 350
-> Start of commissioning
K.Okabe, Fukui University, Fukui, Japan
Y.Mori, Y. Ishi, T. Uesugi,
Kyoto University Research Reactor Institute (KURRI),
Osaka, Japan
FFAGs AT KURRI
Accelerator driven sub-critical reactor (ADSR)
Radial FFAG
FFAG-1
FFAG-2
FFAG-3
(FFAG-4
E=1.5 MeV R =0.99m
E=11 MeV
R= 1.71m
E=100 MeV R= 5.12m
E=700 MeV )
Beam current / nA <1
Beam power / W
0.1
Reactor power / W 10
-> Start of commissioning
Y. Ishi, M. Inoue, Y. Kuriyama, Y. Mori, T. Uesugi,
Kyoto University Research Reactor Institute (KURRI), Osaka, Japan
JB. Lagrange, T. Planche, M. Takashima, E. Yamakawa,
Graduate School of Engineering, Kyoto University, Kyoto, Japan
H. Imazu, K. Okabe, I. Sakai, Y. Takahoko, Fukui University, Fukui, Japan
EMMA
electron model to study Non-scaling FFAGs
Non-scaling FFAG
E / MeV 10 -20
R/m
16.6
HF / GHz
1.3
Cavities
19
Optics: only quads / no dipoles
-> Start of commissioning this fall
PAMELA: a non-scaling FFAG for proton (250 MeV) and light ion (400 MeV/u C6+) therapy
Thomas Robert Edgecock (STFC/RAL, Chilton, Didcot, Oxon), J. Scott Berg (BNL, Upton, Long Island, New York), Yoel Giboudot
(Brunel University, Middlesex), Francois Meot (CEA, Gif-sur-Yvette), Eberhard Keil (CERN, Geneva), James Crisp, Carol Johnstone
(Fermilab, Batavia), Jaroslaw Pasternak (Imperial College of Science and Technology, London), Suzanne L. Sheehy, Takeichiro Yokoi
(JAI, Oxford), Neil Bliss, Brian Martlew, Christopher White (STFC/DL, Daresbury, Warrington, Cheshire), Carl David Beard, James Clarke,
Stephen A. Griffiths, Clive Hill, Steven Jamison, James Jones, Alexander Kalinin, Kiril Marinov, Neil Marks, Peter McIntosh, Bruno Muratori,
Joseph Francis Orrett, Yuri Saveliev, Ben Shepherd, Robert Smith, Susan Louise Smith, Stephan Ivanov Tzenov, Alan Wheelhouse
(STFC/DL/ASTeC, Daresbury, Warrington, Cheshire), David Kelliher, Shinji Machida (STFC/RAL/ASTeC, Chilton, Didcot, Oxon), Shane Rupert
Koscielniak (TRIUMF, Vancouver), Michael Craddock (UBC & TRIUMF, Vancouver, British Columbia)