The potential of the ILC beam dump for high-intensity and large-area irradiation field with atmospheric-like neutrons and muons

Abstract

We evaluate the neutron and muon fluxes produced in the ILC beam dumps by Monte Carlo simulations and discuss their potential use in irradiation fields. We show that the beam dumps can provide high-intensity neutron and muon fluxes with spectra quite similar to secondary cosmic rays, which are suitable for soft error studies. The beam dumps deliver neutrons about $10^{11}$ times the secondary cosmic rays on spaces perpendicular to the beam axis and muons $10^8$ times downstream of the beam dumps in the initial phase of the ILC. Large-area irradiation of 1\,m${}^2$ or more is possible. Differences in the energy distribution of muons in electron and positron beam dumps are also discussed for particle physics experiments.

arXiv comment16 pages, 16 figures; appendix A added; published version

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• Secondary beams at high-intensity electron accelerator facilities