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The acceleration of a high-charge electron bunch to 10 GeV in a 10-cm nanoparticle-assisted wakefield accelerator

  • Constantin Aniculaesei*
  • , Thanh Ha
  • , Samuel Yoffe
  • , Lance Labun
  • , Stephen Milton
  • , Edward McCary
  • , Michael M. Spinks
  • , Hernan J. Quevedo
  • , Ou Z. Labun
  • , Ritwik Sain
  • , Andrea Hannasch
  • , Rafal Zgadzaj
  • , Isabella Pagano
  • , Jose A. Franco-Altamirano
  • , Martin L. Ringuette
  • , Erhart Gaul
  • , Scott V. Luedtke
  • , Ganesh Tiwari
  • , Bernhard Ersfeld
  • , Enrico Brunetti
  • Hartmut Ruhl, Todd Ditmire, Sandra Bruce, Michael E. Donovan, Michael C. Downer, Dino A. Jaroszynski, Bjorn Manuel Hegelich
*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

An intense laser pulse focused onto a plasma can excite nonlinear plasma waves. Under appropriate conditions, electrons from the background plasma are trapped in the plasma wave and accelerated to ultra-relativistic velocities. This scheme is called a laser wakefield accelerator. In this work, we present results from a laser wakefield acceleration experiment using a petawatt-class laser to excite the wakefields as well as nanoparticles to assist the injection of electrons into the accelerating phase of the wakefields. We find that a 10-cm-long, nanoparticle-assisted laser wakefield accelerator can generate 340 pC, 10 ± 1.86 GeV electron bunches with a 3.4 GeV rms convolved energy spread and a 0.9 mrad rms divergence. It can also produce bunches with lower energies in the 4–6 GeV range.
Original languageEnglish
Article number014001
Number of pages11
JournalMatter and Radiation at Extremes
Volume9
Issue number1
Early online date15 Nov 2023
DOIs
Publication statusPublished - 1 Jan 2024

Funding

LaserNetUS: A Proposal to Advance North America’s First High Intensity Laser Research Network. The contributions of A. Hannasch, R. Zgazdaj, I. Pagano, J. A. Franco, and M. C. Downer were supported by the U.S. Department of Energy Grant No. DE-SC0011617. D. A. Jarozynski, E. Brunetti, B. Ersfeld, and S. Yoffe would like to acknowledge support from the U.K. EPSRC (Grant Nos. EP/J018171/1 and EP/N028694/1) and the European Union’s Horizon 2020 research and innovation program under Grant Agreement No. 871124 Laserlab-Europe and EuPRAXIA (Grant No. 653782). Simulation results were obtained using the ARCHIE-WeSt High-Performance Computer ( www.archie-west.ac.uk ) based at the University of Strathclyde, and the facilities of the N8 Centre of Excellence in Computationally Intensive Research (N8 CIR) provided and funded by the N8 research partnership and EPSRC (Grant No. EP/T022167/1), coordinated by the Universities of Durham, Manchester, and York. B. M. Hegelich, C. Aniculaesei, T. Ha, L. Labun, O. Z. Labun, and E. McCary have been supported by the Air Force Office of Scientific Research Grant No. FA9550-17-1-0264. This work was supported by the DOE, Office of Science, Fusion Energy Sciences under Contract No. DE-SC0021125.

Keywords

  • electron bunch
  • wakefield accelerator
  • nanoparticles

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