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Growth and phase velocity of self-modulated beam-driven plasma waves

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arxiv 1108.1564 v1 pith:7W4YV34U submitted 2011-08-07 physics.plasm-ph

C. B. Schroeder , C. Benedetti , E. Esarey , F. J. Grüner , W. P. Leemans This is my paper
classification physics.plasm-ph
keywords beamphaseplasmavelocitydephasinggrowthinstabilityless
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A long, relativistic charged particle beam propagating in a plasma is subject to the self-modulation instability. This instability is analyzed and the growth rate is calculated, including the phase relation. The phase velocity of the accelerating field is shown to be significantly less than the drive beam velocity. These results indicate that the energy gain of a plasma accelerator driven by a self-modulated beam will be severely limited by dephasing. In the long-beam, strongly-coupled regime, dephasing is reached in less than four e-foldings, independent of beam-plasma parameters.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Numerical simulations of electron acceleration driven by heavy ion beams in plasma with alternating density gradients

    physics.acc-ph 2025-07 conditional novelty 5.0 of 10

    An alternating density gradient profile keeps the witness electron bunch in the accelerating phase of a heavy-ion-driven plasma wakefield, reaching about 1.2 GeV over one meter in simulation.

  2. Numerical investigations of heavy ion driven plasma wakefield acceleration

    physics.acc-ph 2025-06 conditional novelty 4.0 of 10

    Heavy-ion beams, especially a 0.1 mm bismuth bunch at HIAF-like parameters, can excite multi-GV/m plasma wakefields and accelerate electrons to hundreds of MeV in meter-scale plasmas, according to LCODE simulations.

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