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  • Efficient numerical modelling of the emittance evolution of beams with finite energy spread in plasma wakefield accelerators

    Author(s)
    Mehrling, TJ
    Robson, RE
    Erbe, J-H
    Osterhoff, J
    Griffith University Author(s)
    Robson, Robert
    Year published
    2016
    Metadata
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    Abstract
    This paper introduces a semi-analytic numerical approach (SANA) for the rapid computation of the transverse emittance of beams with finite energy spread in plasma wakefield accelerators in the blowout regime. The SANA method is used to model the beam emittance evolution when injected into and extracted from realistic plasma profiles. Results are compared to particle-in-cell simulations, establishing the accuracy and efficiency of the procedure. In addition, it is demonstrated that the tapering of vacuum-to-plasma and plasma-to-vacuum transitions is a viable method for the mitigation of emittance growth of beams during their ...
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    This paper introduces a semi-analytic numerical approach (SANA) for the rapid computation of the transverse emittance of beams with finite energy spread in plasma wakefield accelerators in the blowout regime. The SANA method is used to model the beam emittance evolution when injected into and extracted from realistic plasma profiles. Results are compared to particle-in-cell simulations, establishing the accuracy and efficiency of the procedure. In addition, it is demonstrated that the tapering of vacuum-to-plasma and plasma-to-vacuum transitions is a viable method for the mitigation of emittance growth of beams during their injection and extraction from and into plasma cells.
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    Journal Title
    Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
    Volume
    829
    DOI
    https://doi.org/10.1016/j.nima.2016.01.091
    Subject
    Astronomical sciences
    Atomic, molecular and optical physics
    Nuclear and plasma physics
    Plasma physics; fusion plasmas; electrical discharges
    Other physical sciences
    Publication URI
    http://hdl.handle.net/10072/99681
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    • Journal articles

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