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Parametric study of high-energy ring-shaped electron beams from a laser wakefield accelerator

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    0553465 - FZÚ 2023 RIV GB eng J - Journal Article
    Maitrallain, A. - Brunetti, E. - Streeter, M.J.V. - Kettle, B. - Spesyvtsev, R. - Vieux, G. - Shahzad, M. - Ersfeld, B. - Yoffe, S.R. - Kornaszewski, A. - Finlay, O. - Ma, Y. - Albert, F. - Bourgeois, N. - Dann, S. J. D. - Lemos, N. - Cipiccia, S. - Cole, J.M. - Gonzalez, I.G. - Willingale, L. - Higginbotham, A. - Hussein, A.E. - Šmíd, M. - Falk, Kateřina - Krushelnick, K. - Lopes, N. C. - Gerstmayr, E. - Lumsdon, C. - Lundh, O. - Mangles, S.P.D. - Najmudin, Z. - Rajeev, P. P. - Symes, D.R. - Thomas, A.G.R. - Jaroszynski, D.A.
    Parametric study of high-energy ring-shaped electron beams from a laser wakefield accelerator.
    New Journal of Physics. Roč. 24, č. 1 (2022), č. článku 013017. ISSN 1367-2630. E-ISSN 1367-2630
    R&D Projects: GA MŠMT EF16_027/0008215
    EU Projects: European Commission(XE) 871124 - LASERLAB-EUROPE
    Grant - others:MOBILITY FZU(XE) CZ.02.2.69/0.0/0.0/16_027/0008215
    Institutional support: RVO:68378271
    Keywords : laser-plasma wakefield accelerators * parametric study * annular electron beams
    OECD category: Optics (including laser optics and quantum optics)
    Impact factor: 3.3, year: 2022
    Method of publishing: Open access

    Laser wakefield accelerators commonly produce on-axis, low-divergence, high-energy electron beams. However, a high charge, annular shaped beam can be trapped outside the bubble and accelerated to high energies. Here we present a parametric study on the production of low-energy-spread, ultra-relativistic electron ring beams in a two-stage gas cell. Ring-shaped beams with energies higher than 750 MeV are observed simultaneously with on axis, continuously injected electrons. Often multiple ring shaped beams with different energies are produced and parametric studies to control the generation and properties of these structures were conducted. Particle tracking and particle-in-cell simulations are used to determine properties of these beams and investigate how they are formed and trapped outside the bubble by the wake produced by on-axis injected electrons.
    Permanent Link: https://hdl.handle.net/11104/0339501

     
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