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FLASHForward: plasma wakefield accelerator science for high-average-power applications.

R D'Arcy1, A Aschikhin1,2, S Bohlen1,2

  • 11 Deutsches Elektronen-Synchrotron DESY , Notkestraße 85 , 22607 Hamburg , Germany.

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
|June 25, 2019
PubMed
Summary
This summary is machine-generated.

The FLASHForward facility enables high-power plasma wakefield acceleration, achieving GeV-level electron beams. It is uniquely equipped for developing next-generation particle accelerators using high-average-power drivers.

Keywords:
electronshigh-average powerplasma wakefield acceleration

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Area of Science:

  • Plasma physics
  • Particle acceleration
  • Accelerator technology

Background:

  • Plasma wakefield acceleration (PWFA) offers a path to compact, high-gradient accelerators.
  • Existing PWFA experiments are limited by driver power, hindering development for future facilities.

Purpose of the Study:

  • To introduce the FLASHForward experimental facility, a unique test-bed for high-average-power plasma wakefield research.
  • To detail the facility's capabilities for accelerating electron beams to GeV-levels.
  • To outline the scientific goals and outlook for high-average-power PWFA.

Main Methods:

  • Utilizing high-intensity electron beams from the FLASH facility to drive plasma wakefields.
  • Generating plasma via gas ionization using high-voltage discharge or high-intensity laser pulses.
  • Employing internal or external electron beam injection for acceleration.

Main Results:

  • The facility can accelerate electron beams to GeV-levels within centimeters of plasma.
  • It operates with high-average-power drivers (up to 30 kW), significantly exceeding current PWFA capabilities.
  • Demonstrates the capability for precise control over electron beam quality and acceleration gradients.

Conclusions:

  • FLASHForward is the world's only facility capable of developing and benchmarking high-average-power PWFA.
  • The facility is crucial for advancing PWFA technology towards next-generation particle accelerators.
  • Research at FLASHForward will pave the way for future high-energy physics and light source applications.