CERN Accelerating science

Article
Title Radiation Environment in the Large Hadron Collider During the 2022 Restart and Related RHA Implications
Author(s) Biłko, Kacper (CERN ; Lab. Hubert Curien, St. Etienne) ; García Alía, Rubén (CERN) ; Aguiar, Ygor (CERN) ; Danzeca, Salvatore (CERN) ; Di Francesca, Diego (CERN) ; Gilardoni, Simone (CERN) ; Girard, Sylvain (ICJ, Lyon ; IUF, Paris) ; Ricci, Daniel (CERN) ; Sebban, Marc (Lab. Hubert Curien, St. Etienne) ; Uznanski, Slawosz (CERN)
Publication 2024
Number of pages 11
In: IEEE Trans. Nucl. Sci. 71 (2024) 607-617
DOI 10.1109/TNS.2023.3328145
Subject category Accelerators and Storage Rings
Abstract In this work, we present the radiation environment of the large hadron collider (LHC), focusing on the year 2022, the first after the Long Shutdown 2 (LS2) (2019–2021). We highlight the most prominent radiation-level changes with respect to the 2018 operation, commenting on the related Radiation Hardness Assurance implications. In addition to presenting data from well-established radiation monitors, such as beam loss monitors (BLMs) and RadMons, we demonstrated the excellent capabilities of the recently deployed distributed optical fiber radiation sensing (DOFRS) covering selected regions of the LHC. Profiting from the static random access memories (SRAMs) deployed along the accelerator and its shielded alcoves, we demonstrated their capabilities for distributed SEU monitoring.
Copyright/License publication: © 2024-2025 The Authors (License: CC-BY-4.0)

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