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Beam-driven plasma-wakefield acceleration
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Beam-driven plasma-wakefield acceleration (PWFA) has emerged as a transformative technology with the potential to revolutionize the field of particle acceleration, especially toward compact accelerators for high-energy and high-power applications. Charged particle beams are used to excite density waves in plasma with accelerating fields reaching up to 100 GV/m, thousands of times stronger than the fields provided by radio-frequency cavities. Plasma-wakefield-accelerator research has matured over the span of four decades from basic concepts and proof-of-principle experiments to a rich and rapidly progressing sub-field with dedicated experimental facilities and state-of-the-art simulation codes. We review the physics, including theory of linear and nonlinear plasma wakefields as well as beam dynamics of both the wakefield driver and trailing bunches accelerating in the plasma wake, and address challenges associated with energy efficiency and preservation of beam quality. Advanced topics such as positron acceleration, self-modulation, internal injection, long-term plasma evolution and multistage acceleration are discussed. Simulation codes and major experiments are surveyed, spanning the use of electron, positron and proton bunches as wakefield drivers. Finally, we look ahead to future particle colliders and light sources based on plasma technology.
Forward citations
Cited by 9 Pith papers
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Quasistatic modeling of ultrarelativistic beam-plasma instabilities
Without the slowly-varying-envelope approximation, spatiotemporal current-filamentation instability dominates near an ultrarelativistic beam front and is overtaken by oblique two-stream instability only farther back.
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Modeling ultrarelativistic streaming plasma instabilities under the quasistatic approximation
Quasistatic electromagnetic theory and QS-PIC simulations show spatiotemporal current filamentation dominates near an ultrarelativistic beam front while OTSI dominates downstream, enabling blazar-regime modeling.
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Brilliant multi-GeV Compton gamma-ray source seeded by a photon accelerator
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A simulated plasma photocathode plus beam-loading scheme produces electron beams bright enough to drive a saturated, tunable water-window X-ray free-electron laser in a 10 m undulator.
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Absolute charge calibration of DRZ phosphor screens for relativistic electron bunches
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Plasma wakefield: from accelerators to black holes
A Chandrasekhar-prize review of plasma wakefield acceleration that embeds a new magnetized-plasma positron scheme and proposes AnaBHEL, an experiment to detect analog Hawking radiation from accelerating plasma mirrors.
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The SPARTA project: toward a demonstrator facility for multistage plasma acceleration
SPARTA is a five-year project plan to develop nonlinear plasma lenses, self-stabilization, and a conceptual design for a 50 GeV multistage plasma accelerator for strong-field QED experiments.
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