Speaker
Description
The Beam Dump Facility (BDF) will host the Search for Hidden Particles (SHiP) experiment at CERN’s Super Proton Synchrotron. BDF/SHiP is designed to search for feebly interacting particles in a region of mass and coupling accessible only with a dedicated beam-dump configuration*. With a beam intensity of 4E19 POT per year at 400 GeV, the High-Intensity ECN3 (HI-ECN3) Project will enable the search for feebly interacting particles, but the radation field created has the potential to be used parasitically to broaden the physics programme to nuclear astrophysics, materials science, and radiation-to-electronics research. High-momentum protons impinging on a tungsten target generate an intense radiation field leading to cumulative and single-event effects. In this work, the radiation environment and its impact on electronics of the detectors and associated infrastructure were evaluated through simulations performed with FLUKA Monte Carlo code. The results show that proposed optimisation solutions for shielding reduce radiation levels, keeping most effects within acceptable limits. It is also observed that modifications made to the magnetic field and geometry of the muon shield—which controls the deflection of muons produced in the beam dump to reduce flux reaching the detector—influence muon and neutrino backgrounds.
Footnotes
- BDF Working Group, SHiP Collaboration, “BDF/SHiP at the ECN3 high-intensity beam facility”, 2022. [Online]. Available: https://cds.cern.ch/record/2839677/files/SPSC-I-258.pdf
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