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Advanced simulation techniques for Radiation Protection studies at the Large Hadron Collider
/ Bozzato, Davide (CERN) ; Dyrcz, Patrycja (CERN) ; Froeschl, Robert (CERN) ; Infantino, Angelo (CERN) ; Lorenzon, Tommaso (CERN) ; Tisi, Marco (CERN) ; Vincke, Heinz (CERN)
The paper provides an overview of the radiation protection challenges and the advanced simulation techniques used to study and plan complex interventions in radiation areas at CERN, particularly with regard to the Large Hadron Collider. The operational radiation protection aspects are supported by state of the art simulations by means of the FLUKA Monte Carlo code and estimates obtained via several tools, used within the CERN Radiation Protection group, such as ActiWiz, SESAME, and the Fluence Conversion Coefficients (FCC) method which extend the built-in FLUKA capabilities. [...]
2024 - 13 p.
- Published in : Radiat. Phys. Chem. 218 (2024) 111573
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Monte Carlo intercomparison and benchmark of the neutron streaming in the ramified access maze of the CERN High-energy AcceleRator Mixed field (CHARM) facility at CERN
/ Bozzato, D (CERN) ; Devienne, A (Fusion for Energy, Barcelona) ; Froeschl, R (CERN) ; Infantino, A (CERN) ; Lorenzon, T (CERN) ; Pozzi, F (CERN) ; Tisi, M (CERN) ; Nakao, N (Tokyo Inst. Tech.) ; Kajimoto, T (Hiroshima U.) ; Sanami, T (KEK, Tsukuba) et al.
Experiments of high-energy neutron streaming were performed in the access maze of the CERN High-energy AcceleRator Mixed-field (CHARM) facility where high-intensity proton beams of 24 GeV/c impact on a copper target. The streaming of the secondary neutrons through the various legs of the ramified access maze of the facility was measured using aluminium activation detectors installed at 12 different locations: for the first time, the extended coverage of measurement locations allowed to assess the streaming in more distant areas of the maze. [...]
2024 - 8 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1066 (2024) 169565
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Radiological Characterization with a Fluence Conversion Coefficients–Based Method: A Practical Example of the Preparatory Studies to the Pilot Beam at the CERN Large Hadron Collider
/ Bozzato, Davide (CERN) ; Froeschl, Robert (CERN)
At high-energy accelerator facilities like the ones that are part of the accelerator complex at the European Organization for Nuclear Research (CERN), Monte Carlo radiation transport codes are widely employed to face the challenges of estimating radionuclide production yields and activities with the aim of performing the radiological characterization of activated components. Indeed, it is of paramount importance to ensure adequate radiation protection during scheduled maintenance, transport, and handling of these components and to establish their proper disposal pathway once they ultimately reach the end of their useful life. [...]
2023 - 11 p.
- Published in : Nucl. Sci. Eng. 198 (2023) 486-496
In : 14th International Conference on Radiation Shielding & 21st Topical Meeting of the Radiation Protection and Shielding Division, Seattle, WA, USA, 25 - 29 Sep 2022, pp.486-496
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Measurement and simulations of high-energy neutrons through a various thickness of concrete and steel shields using activation detectors at CHARM and CSBF
/ Nakao, Noriaki (Tokyo Inst. Tech.) ; Sanami, Toshiya (KEK, Tsukuba) ; Kajimoto, Tsuyoshi (Hiroshima U.) ; Yashima, Hiroshi (Kyoto Sangyo U.) ; Froeschl, Robert (CERN) ; Bozzato, Davide (CERN) ; Iliopoulou, Elpida (CERN) ; Infantino, Angelo (CERN) ; Lee, Eunji (Kyushu U.) ; Oyama, Takahiro (KEK, Tsukuba) et al.
A shielding experiment using activation detectors was performed at the CERN High-energy AcceleRator Mixed-field (CHARM) facility and the CERN Shielding Benchmark Facility (CSBF). The protons (24 GeV/c) were bombarded into a 50-cm-thick copper target, and the released neutrons were transmitted through various shields located vertically upward from the target. [...]
2023 - 19 p.
- Published in : J. Nucl. Sci. Tech. 61 (2023) 429-447
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Benchmark Experiments for Bulk and Maze Shielding Using Activation Detectors with 24-GeV/c Protons at CERN/CHARM
/ Nakao, Noriaki (Tokyo U. Marine Sci. Tech.) ; Sanami, Toshiya (KEK, Tsukuba) ; Kajimoto, Tsuyoshi (Hiroshima U.) ; Froeschl, Robert (CERN) ; Bozzato, Davide (CERN ; KIT, Karlsruhe) ; Iliopoulou, Elpida (CERN) ; Infantino, Angelo (CERN) ; Yashima, Hiroshi (Kyoto Sangyo U.) ; Lee, Eunji (KEK, Tsukuba ; Kyushu U., Fukuoka (main)) ; Oyama, Takahiro (KEK, Tsukuba) et al.
Measurements of high-energy neutrons through shield penetration and maze streaming were performed at the Conseil Européen pour la Recherche Nucléaire (CERN) High-energy Accelerator Mixed-Field (CHARM) facility. The protons of 24 GeV/c were injected onto a 50-cm-thick copper target and the released neutrons were transmitted through shields and a maze in the facility. [...]
2024 - 12 p.
- Published in : Nucl. Sci. Eng. 198 (2024) 336-347
Fulltext: PDF;
In : 14th International Conference on Radiation Shielding & 21st Topical Meeting of the Radiation Protection and Shielding Division, Seattle, WA, USA, 25 - 29 Sep 2022, pp.336-347
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10.5445/IR/1000159308
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Physical Design of the Radiation Shielding for the CMS Experiment at LHC
/ Azhgirey, Igor L (Serpukhov, IHEP) ; Bozzato, Davide (CERN) ; Dabrowski, Anne E (CERN) ; Kurochkin, Igor A (Serpukhov, IHEP) ; Mallows, Sophie (KIT, Karlsruhe, ETP) ; Riabchikova, Anastasiia D (Serpukhov, IHEP)
The design of the radiation shielding for the CMS experiment at the LHC requires a simulation of the radiation environment using a model of the CMS experimental setup, accelerator components and the experimental hall infrastructure. The radiation simulations are used to optimise the design of the CMS detectors components and also the interface of the CMS detector with LHC accelerator. [...]
Geneva : JACoW, 2021 - 3 p.
- Published in : JACoW IPAC 2021 (2021) 2246-2248
Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.2246-2248
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New Capabilities of the FLUKA Multi-Purpose Code
/ Ahdida, C (CERN) ; Bozzato, D (CERN ; KIT, Karlsruhe, Dept. Phys.) ; Calzolari, D (CERN) ; Cerutti, F (CERN) ; Charitonidis, N (CERN) ; Cimmino, A (Prague, Inst. Phys.) ; Coronetti, A (CERN ; Jyvaskyla U.) ; D'Alessandro, G L (CERN) ; Donadon Servelle, A (CERN ; Ecole Polytechnique, Lausanne) ; Esposito, L S (CERN) et al.
FLUKA is a general purpose Monte Carlo code able to describe the transport and interaction of any particle and nucleus type in complex geometries over an energy range extending from thermal neutrons to ultrarelativistic hadron collisions. It has many different applications in accelerator design, detector studies, dosimetry, radiation protection, medical physics, and space research. [...]
2022 - 14 p.
- Published in : Front. Phys. 9 (2022) 788253
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