Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Plasma Beam Dumps for EuPRAXIA Facility

Version 1 : Received: 3 March 2020 / Approved: 4 March 2020 / Online: 4 March 2020 (09:45:00 CET)

A peer-reviewed article of this Preprint also exists.

Xia, G.; Bonatto, A.; Nunes, R.P.; Liang, L.; Jakobsson, O.; Zhao, Y.; Williamson, B.; Davut, C.; Wang, X. Plasma Beam Dumps for the EuPRAXIA Facility. Instruments 2020, 4, 10. Xia, G.; Bonatto, A.; Nunes, R.P.; Liang, L.; Jakobsson, O.; Zhao, Y.; Williamson, B.; Davut, C.; Wang, X. Plasma Beam Dumps for the EuPRAXIA Facility. Instruments 2020, 4, 10.

Journal reference: Instruments 2020, 4, 10
DOI: 10.3390/instruments4020010

Abstract

Beam dumps are indispensable components for particle accelerator facilities to absorb or dispose beam kinetic energy in a safe way. However, the design of beam dumps based on conventional technology, i.e. the energy deposition via beam-dense matter interaction, makes the beam dump facility complicated and large in size, partly due to nowadays’ high beam intensities and energies achieved. In addition, these high-power beams generate radioactive hazards, which need specific methods to deal with. On the other hand, the EuPRAXIA project can advance the laser-plasma accelerator significantly by achieving 1-5 GeV high quality electron beam in a compact layout. Nevertheless, the beam dump based on conventional technique will still produce radiation hazards and make the overall footprint less compact. Here, we propose to implement a plasma beam dump to absorb the kinetic energy from the EuPRAXIA beam. In doing so, the overall compactness of the EuPRAXIA layout will not be impacted, and the radioactivity generated by the facility can be mitigated. In this paper, results from particle-in-cell (PIC) simulations are presented for plasma beam dumps based on EuPRAXIA beam parameters.

Subject Areas

Beam dumps; laser plasma accelerator; plasma beam dump

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