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<p>Here we present results from an experiment performed at the GSI Helmholtz Center for Heavy Ion Research. A mono-energetic beam of chromium ions with initial energies of &#xa0;~&#xa0;450 MeV was fired through a magnetized interaction region formed by the collision of two counter-propagating laser-ablated plasma jets. While laser interferometry revealed the absence of strong fluid-scale turbulence, acceleration and diffusion of the beam ions was driven by wave-particle interactions. A possible mechanism is particle acceleration by electrostatic, short scale length kinetic turbulence, such as the lower-hybrid drift instability.</p>

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Measurement of ion acceleration and diffusion in a laser-driven magnetized plasma

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年3月2日

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  • J. T. Y. Chu,
  • J. W. D. Halliday,
  • C. Heaton,
  • K. Moczulski,
  • A. Blazevic,
  • D. Schumacher,
  • M. Metternich,
  • H. Nazary,
  • C. D. Arrowsmith,
  • A. R. Bell,
  • K. A. Beyer,
  • A. F. A. Bott,
  • T. Campbell,
  • E. Hansen,
  • D. Q. Lamb,
  • F. Miniati,
  • P. Neumayer,
  • C. A. J. Palmer,
  • B. Reville,
  • A. Reyes,
  • S. Sarkar,
  • A. Scopatz,
  • C. Spindloe,
  • C. B. Stuart,
  • H. Wen,
  • P. Tzeferacos,
  • R. Bingham,
  • G. Gregori

摘要

Here we present results from an experiment performed at the GSI Helmholtz Center for Heavy Ion Research. A mono-energetic beam of chromium ions with initial energies of  ~ 450 MeV was fired through a magnetized interaction region formed by the collision of two counter-propagating laser-ablated plasma jets. While laser interferometry revealed the absence of strong fluid-scale turbulence, acceleration and diffusion of the beam ions was driven by wave-particle interactions. A possible mechanism is particle acceleration by electrostatic, short scale length kinetic turbulence, such as the lower-hybrid drift instability.