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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.
Summary
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.
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.
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