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Title: Wakefields in a cluster plasma
Authors: Mayr, M. W.
Ceurvorst, L.
Kasim, M. F.
Sadler, J. D.
Spiers, B.
Glize, K.
Savin, A. F.
Bourgeois, N.
Keeble, F.
Ross, A. J.
Symes, D. R.
Aboushelbaya, R.
Fonseca, R. A.
Holloway, J.
Ratan, N.
Trines, R.  M.  G.  M.
Wang, R.  H.  W.
Bingham, R.
Silva, L. O.
Burrows, P.  N.
Wing, M.
Rajeev, P.  P.
Norreys, P.  A.
Issue Date: 2019
Publisher: American Physical Society
Abstract: We report the first comprehensive study of large amplitude Langmuir waves in a plasma of nanometer-scale clusters. Using an oblique angle single-shot frequency domain holography diagnostic, the shape of these wakefields is captured for the first time. The wavefronts are observed to curve backwards, in contrast to the forwards curvature of wakefields in uniform plasma. Due to the expansion of the clusters, the first wakefield period is longer than those trailing it. The features of the data are well described by fully relativistic two-dimensional particle-in-cell simulations and by a quasianalytic solution for a one- dimensional, nonlinear wakefield in a cluster plasma.
Peer reviewed: yes
DOI: 10.1103/PhysRevAccelBeams.22.113501
ISSN: 2469-9888
Accession number: WOS:000496930700002
Appears in Collections:CTI-RI - Artigos em revistas científicas internacionais com arbitragem científica

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