| Issue |
EPJ Web of Conferences
Volume 59, 2013
IFSA 2011 – Seventh International Conference on Inertial Fusion Sciences and Applications
|
|
|---|---|---|
| Article Number | 03013 | |
| Number of page(s) | 5 | |
| Section | III. Alternative Target Physics (Impact, Shock, Fast Ignition, ...) | |
| DOI | https://doi.org/10.1051/epjconf/20135903013 | |
| Published online | 15 November 2013 | |
https://doi.org/10.1051/epjconf/20135903013
Fast ignition by quasimonoenergetic ion beams
1 ETSI Aeronáuticos, Technical University of Madrid, 28040 Madrid, Spain
2 Los Alamos National Laboratory, Los Alamos, NM 87545, USA
Published online: 15 November 2013
The potential of quasimonoenergetic ion beams for fast ignition (FI) of fusion targets is investigated. Lithium, carbon, aluminium and vanadium ions have been considered here to determine the optimal kinetic energy for each ion type. Our calculations show that the ignition energies of those beams impinging on a standard fuel configuration are similar. However, they are obtained for very different ion energies. Assuming that the ions can be focused onto 10 μm spots, a new irradiation scheme that reduces substantially the ignition energies is proposed. The combination of using intermediate ions, such as 5.5 GeV vanadium, and the new irradiation scheme allows one to reduce the number of ions required for ignition by roughly three orders of magnitude when compared with the standard proton FI scheme.
© Owned by the authors, published by EDP Sciences, 2013
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