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arxiv 2311.08440 v3 pith:TIYQZDIV submitted 2023-11-14 physics.acc-ph hep-exnucl-ex

Secondary beams at high-intensity electron accelerator facilities

classification physics.acc-ph hep-exnucl-ex
keywords beamparticleselectrondarkmattersecondarybeamsenergy
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The interaction of a high-current $O$(100~\textmu A), medium energy $O$(10\,GeV) electron beam with a thick target $O$(1m) produces an overwhelming shower of standard matter particles in addition to hypothetical Light Dark Matter particles. While most of the radiation (gamma, electron/positron, and neutron) is contained in the thick target, deep penetrating particles (muons, neutrinos, and light dark matter particles) propagate over a long distance, producing high-intense secondary beams. Using sophisticated Monte Carlo simulations based on FLUKA and GEANT4, we explored the characteristics of secondary muons and neutrinos and (hypothetical) dark scalar particles produced by the interaction of Jefferson Lab 11 GeV intense electron beam with the experimental Hall-A beam dump. Considering the possible beam energy upgrade, this study was repeated for a 20 GeV CEBAF beam.

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