Multistage Laser-Plasma Acceleration of Ultrashort Electron and Positron Bunches

A version is proposed of multistage electron acceleration based on a multichannel laser facility with a peak laser pulse power of up to 15 PW in one channel. In contrast to strongly nonlinear acceleration regimes with the presence of electron density cavitation on the radiation propagation axis, the...

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Bibliographic Details
Published in:Bulletin of the Lebedev Physics Institute 2023-10, Vol.50 (Suppl 6), p.S724-S733
Main Authors: Veisman, M. E., Umarov, I. R., Pugacheva, D. V., Andreev, N. E.
Format: Article
Language:English
Subjects:
Cavitation
Electron acceleration
Electron density
Electron-positron pairs
Electrons
Emittance
Lasers
Mathematical models
Particle Acceleration
Physics
Physics and Astronomy
Plasma acceleration
Power sources
Quantum electrodynamics
Radiation
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Summary:A version is proposed of multistage electron acceleration based on a multichannel laser facility with a peak laser pulse power of up to 15 PW in one channel. In contrast to strongly nonlinear acceleration regimes with the presence of electron density cavitation on the radiation propagation axis, the proposed moderately nonlinear regime will make it possible to achieve not only sufficiently high energies (60 to 100 GeV at three to five accelerator stages), but also a high quality of accelerated electron bunches (relative energy spread of maximum 1%, and normalized emittance maximum 1 mm ⋅ mrad), which is important for numerous applications such as precision tests of the Standard Model, experiments on quantum electrodynamics (generation of electron–positron pairs), and experiments on the development of high-power sources of short-wavelength (gamma quanta) radiation. The implementation of the project will allow to closely approach the studies that are important for the development of theory and modern practical applications. A preliminary analytical analysis and numerical simulation confirm the achievability of these parameters of electron bunches in case of the implementation of the proposed project.
ISSN:1068-3356
1934-838X
DOI:10.3103/S1068335623180124