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Natural noise and external wake field seeding in a proton-driven plasma accelerator

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arxiv 1204.3444 v1 pith:Q6VR6WM4 submitted 2012-04-16 physics.plasm-ph physics.acc-ph

K. V.Lotov , G. Z.Lotova , V. I.Lotov , A. Upadhyay , T. Tuckmantel , A. Pukhov , A. Caldwell This is my paper
classification physics.plasm-phphysics.acc-ph
keywords noiseplasmafieldwakenaturalacceleratorbunchgenerated
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We discuss the level of natural shot noise in a proton bunch-driven plasma accelerator. The required seeding for the plasma wake field must be larger than the cumulative shot noise. This is the necessary condition for the axial symmetry of the generated wake and the acceleration quality. We develop an analytical theory of the noise field and compare it with multi-dimensional simulations. It appears that the natural noise wake field generated in plasma by the available at CERN super-protons-synchrotron (SPS) bunches is very low, at the level of a few 10 kV/m. This fortunate fact eases the requirements on the seed. Our three dimensional simulations show that even a few tens MeV electron bunch precursor of a very moderate intensity is sufficient to seed the proton bunch self-modulation in plasma.

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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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