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@INPROCEEDINGS{Beinortaite:600342,
      author       = {Beinortaite, Judita and Björklund Svensson, Jonas Halfdan
                      and Chappell, James and Garland, Matthew James and Jones,
                      Harry and Lindstroem, Carl Andreas and Loisch, Gregor and
                      Pena Asmus, Felipe Lars and Schröder, Sarah and Wesch,
                      Stephan and Wing, Matthew and Osterhoff, Jens and D'Arcy,
                      Richard},
      title        = {{P}lasma density and ionisation degree evolution with
                      long-term ion motion in a beam-driven plasma-wakefield
                      accelerator},
      reportid     = {PUBDB-2023-07906},
      year         = {2023},
      abstract     = {Beam-driven plasma-wakefield acceleration is a promising
                      avenue for the future design of compact linear accelerators
                      with applications in high-energy physics and photon science.
                      Meeting the luminosity and brilliance demands of current
                      users requires the delivery of thousands of bunches per
                      second: many orders of magnitude beyond the current
                      state-of-the-art of plasma-wakefield accelerators, which
                      typically operate at the Hz-level. As recently explored at
                      FLASHForward, a fundamental limitation for the highest
                      repetition rate is the long-term motion of ions that follows
                      the dissipation of the driven wakefield (R. D'Arcy, et al.
                      Nature 603, 58,62 (2022)). The duration of this ion motion
                      could vary with the mass of the plasma ions, thus
                      significantly decreasing in lighter gas species. To observe
                      this, the understanding of the background processes, such as
                      microsecond-level plasma density evolution of different
                      gases in a capillary, is needed. Here we present the
                      exploration of plasma density evolution together with
                      insights into the estimated ionisation degree.},
      month         = {Sep},
      date          = {2023-09-17},
      organization  = {6th European Advanced Accelerator
                       Concepts workshop, Isola d'Elba
                       (Italy), 17 Sep 2023 - 23 Sep 2023},
      cin          = {$HH_FH_FTX_AS$ / MPA},
      cid          = {$I:(DE-H253)HH_FH_FTX_AS-20210421$ /
                      I:(DE-H253)MPA-20200816},
      pnm          = {621 - Accelerator Research and Development (POF4-621) / 6G2
                      - FLASH (DESY) (POF4-6G2)},
      pid          = {G:(DE-HGF)POF4-621 / G:(DE-HGF)POF4-6G2},
      experiment   = {EXP:(DE-H253)FLASHForward-20150101},
      typ          = {PUB:(DE-HGF)24},
      url          = {https://bib-pubdb1.desy.de/record/600342},
}