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Dynamics of the IFMIF very high-intensity beam

Published online by Cambridge University Press:  22 January 2014

P.A.P. Nghiem ,
N. Chauvin ,
M. Comunian ,
O. Delferrière ,
R. Duperrier ,
A. Mosnier ,
C. Oliver ,
W. Simeoni Jr.  and
D. Uriot
P.A.P. Nghiem*
Affiliation:
CEA, IRFU, Gif-sur-Yvette, France
N. Chauvin
Affiliation:
CEA, IRFU, Gif-sur-Yvette, France
M. Comunian
Affiliation:
INFN/LNL, Legnaro, Italy
O. Delferrière
Affiliation:
CEA, IRFU, Gif-sur-Yvette, France
R. Duperrier
Affiliation:
CEA, IRFU, Gif-sur-Yvette, France
A. Mosnier
Affiliation:
CEA, IRFU, Gif-sur-Yvette, France
C. Oliver
Affiliation:
CIEMAT, Madrid, Spain
W. Simeoni Jr.
Affiliation:
Instituto de Física, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
D. Uriot
Affiliation:
CEA, IRFU, Gif-sur-Yvette, France
*
Address correspondence and reprint requests to: P.A.P. Nghiem, CEA, IRFU, Gif-sur-Yvette, France. E-mail: [email protected]
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Abstract

For the purpose of material studies for future nuclear fusion reactors, the IFMIF deuteron beams present a simultaneous combination of unprecedentedly high intensity (2 × 125 mA CW), power (2 × 5 MW) and space charge. Special considerations and new concepts have been developed in order to overcome these challenges. The global strategy for beam dynamics design of the 40 MeV IFMIF accelerators is presented, stressing on the control of micro-losses, and the possibility of online fine tuning. Start-to-end simulations without and with errors are presented for the prototype accelerator. Considerations about conflicts between halo and emittance minimization are then discussed in this very high space charge context.

Keywords

Beam dynamicsHigh-intensity beamsLinear acceleratorsSpace charge
Type
Research Article
Information
Laser and Particle Beams , Volume 32 , Issue 1 , March 2014 , pp. 109 - 118
Copyright
Copyright © Cambridge University Press 2014 

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