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

Journal Article · · Matter and Radiation at Extremes
DOI:https://doi.org/10.1063/5.0161687· OSTI ID:2281337
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  1. University of Texas, Austin, TX (United States)
  2. University of Strathclyde, Glasgow, Scotland (United Kingdom)
  3. University of Texas, Austin, TX (United States); Tau Systems, Inc., Austin, TX (United States)
  4. Tau Systems, Inc., Austin, TX (United States)
  5. University of Texas, Austin, TX (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
  6. Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
  7. Brookhaven National Laboratory (BNL), Upton, NY (United States)
  8. Ludwig-Maximilians-Universität 7, Munich (Germany)

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.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Fusion Energy Sciences (FES); US Air Force Office of Scientific Research (AFOSR); Engineering and Physical Sciences Research Council (EPSRC); European Union’s Horizon 2020
Grant/Contract Number:
SC0012704; FA9550-17-1-0264; SC0021125; SC0011617; EP/J018171/1; EP/N028694/1; 871124; EP/T022167/1
OSTI ID:
2281337
Report Number(s):
BNL-225191-2024-JAAM
Journal Information:
Matter and Radiation at Extremes, Vol. 9, Issue 1; ISSN 2468-2047
Publisher:
China Academy of Engineering Physics (CAEP)/AIP PublishingCopyright Statement
Country of Publication:
United States
Language:
English

References (23)

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Controlled electron injection facilitated by nanoparticles for laser wakefield acceleration journal November 2018
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Synthesis of Nanoparticles by Laser Ablation: A Review journal January 2017
Metal Ablation with Short and Ultrashort Laser Pulses journal January 2011
Accurate single-shot measurement technique for the spectral distribution of GeV electron beams from a laser wakefield accelerator journal August 2019
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Absolute response of Fuji imaging plate detectors to picosecond-electron bunches journal January 2010
Charge calibration of DRZ scintillation phosphor screens journal September 2019
Absolute calibration for a broad range single shot electron spectrometer journal October 2006
Quasi-monoenergetic laser-plasma acceleration of electrons to 2 GeV journal June 2013
The role of the gas/plasma plume and self-focusing in a gas-filled capillary discharge waveguide for high-power laser-plasma applications journal September 2013
Precise pointing control of high-energy electron beam from laser wakefield acceleration using an aperture journal February 2023
Direct observation of relativistic broken plasma waves journal August 2022

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