Design Development for the Beam Dump Facility Target Complex at CERN
K. Kershaw, J.-L. Grenard, M. Calviani, C. Ahdida, M. Casolino, S., Delavalle, D. Hounsome, R. Jacobsson, M. Lamont, E. Lopez Sola, R. Scott, V., Vlachoudis, H. Vincke

TL;DR
This paper presents the design development of a target complex for CERN's new beam dump facility, focusing on feasibility, handling operations, and potential physics applications like dark matter and rare decays.
Contribution
It introduces a detailed design of the target complex, including two handling concepts, for a new CERN facility aimed at exploring hidden sectors and rare physics phenomena.
Findings
Two handling concepts for the target complex are developed and analyzed.
The design supports the production of weakly interacting particles for downstream detection.
Feasibility of integrating the target complex into CERN's infrastructure is demonstrated.
Abstract
CERN has launched a study phase to evaluate the feasibility of a new high-intensity beam dump facility at the CERN Super Proton Synchrotron accelerator with the primary goal of exploring Hidden Sector models and searching for Light Dark Matter, but which also offers opportunities for other fixed target flavour physics programs such as rare tau lepton decays and tau neutrino studies. The new facility will require - among other infrastructure - a target complex in which a dense target/dump will be installed, capable of absorbing the entire energy of the beam extracted from the SPS accelerator. In theory, the target/dump could produce very weakly interacting particles, to be investigated by a suite of particle detectors to be located downstream of the target complex. As part of the study, a development design of the target complex has been produced, taking into account the handling and…
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