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- W4301484711 abstract "The paper reports the results of two-dimensional particle-in-cell simulations of proton beam acceleration at the interactions of a 130 fs laser pulse of intensity from the range of 10^21-10^23 W/cm^2, predicted for the Extreme Light Infrastructure (ELI) lasers currently built in Europe, with a thin hydrocarbon (CH) target. A special attention is paid to the effect of the laser pulse intensity and polarization (linear-LP, circular-CP) as well as the target thickness on the proton energy spectrum, the proton beam spatial distribution and the proton pulse shape and intensity. It is shown that for the highest, ultra-relativistic intensities (10^23 W/cm^2) the effect of laser polarization on the proton beam parameters is relatively weak and for both polarizations quasi-monoenergetic proton beams of the mean proton energy about 2 GeV and dE/E=0.3 for LP and dE/E=0.2 for CP are generated from the 0.1 micrometer CH target. At short distances from the irradiated target (below 50 micrometers), the proton pulse is very short (below 20 fs), and the proton beam intensities reach extremely high values above 10^21 W/cm^2, which are much higher than those attainable in conventional accelerators. Such proton beams can open the door for new areas of research in high energy-density physics and nuclear physics as well as can also prove useful for applications in materials research e.g. as a tool for high-resolution proton radiography." @default.
- W4301484711 created "2022-10-05" @default.
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- W4301484711 date "2017-07-29" @default.
- W4301484711 modified "2023-10-16" @default.
- W4301484711 title "Acceleration of protons to high energies by an ultra-intense femtosecond laser pulse" @default.
- W4301484711 doi "https://doi.org/10.48550/arxiv.1707.09554" @default.
- W4301484711 hasPublicationYear "2017" @default.
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