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| URL | https://doi.org/10.18429/JACoW-IBIC2025-MOPMO32 |
|---|---|
| Title | Characterization of the radiation environment in the FCC-ee tunnel |
| Authors |
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| Abstract | The Future Circular $ \mathrm{e}^+ \mathrm{e}^- $ Collider (FCC-ee) at CERN will provide collisions at four interaction points along a 91 km long ring, with beam energies ranging from 45.6 GeV (Z pole) to 182.5 GeV ($\text{t}\bar{\text{t}}$ threshold). The radiation environment along the accelerator varies significantly, with different dominant sources depending on location and operational mode. Accurate characterization of this environment is essential for the design and placement of machine equipment, particularly electronic systems and beam instrumentation. In this study, the Monte Carlo code FLUKA is used to characterize tunnel radiation levels from the main sources, including radiative Bhabha scattering, synchrotron radiation, and beam-gas interactions. The results at the Z pole and $\text{t}\bar{\text{t}}$ threshold for both the interaction regions and arcs are presented to guide early-stage design considerations and to quantify exposure risks for electronics at potential installation locations. |
| Paper | download: MOPMO32.pdf |
| Cite | BibTeX, LaTeX, Text/Word, RIS, EndNote |
| Conference | 14th International Beam Instrumentation Conference |
| Series | |
| Location | Liverpool, UK |
| Date | 07-11 Sep 2025 |
| Publisher | JACoW Publishing, Geneva, Switzerland |
| Editorial Board | Narender Kumar (Editor-in-Chief) - UoL/CI, UK Robert Apsimon - CI, UK Thankonwat Chanwattana - SLRI, Thailand Zhichu Chen - SARI, China Eunhoon Im - IBS, Korea Jangwon Kwon - IBS, Korea Milaan Patel - UoL/CI, UK Volker RW Schaa - GSI, Germany Jana Thomson -TRIUMF, Canada Bradley Wilson, STFC, UK Hao Zhang, UoL/CI, UK |
| Online ISBN | 978-3-95450-262-2 |
| Online ISSN | 2673-5350 |
| Received | 03 September 2025 |
| Revised | 05 September 2025 |
| Accepted | 06 September 2025 |
| Issued | 20 January 2026 |
| DOI | 10.18429/JACoW-IBIC2025-MOPMO32 |
| Pages | 256-259 |
| Copyright | Published by JACoW Publishing under the terms of the Creative Commons Attribution 4.0 license. Any further distribution of this work must maintain attribution to the author(s), the published article's title, publisher, and DOI. |