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Self-consistent hamiltonian model of beam transport in a laser-driven plasma accelerator

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3 Author(s)
Shadwick, B.A. ; LOASIS Program, LBNL, Berkeley, CA ; Tarkenton, G.M. ; Schroeder, C.B.

Summary form only given. Starting from the two species (bulk and beam electron) Vlasov-Maxwell system, we develop a self-consistent Hamiltonian model of beam transport in a background plasma where the beam is described by phase-space moments. The formalism used, based on the Hamiltonian structure of the Vlasov-Maxwell system, is a direct extension of that previously used to derive our warm fluid model. The bulk plasma model is independent of the moment model for the beam; in practice we find that a fluid description of the bulk plasma is appropriate. We present a detailed study of beam propagation in a resonant laser-wakefield accelerator. We discuss optimization of the system with regard to energy gain and beam quality. We comment on the implications for GeV-class accelerator stages

Published in:

Plasma Science, 2006. ICOPS 2006. IEEE Conference Record - Abstracts. The 33rd IEEE International Conference on

Date of Conference:

4-8 June 2006