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Effects of Radiation Dose on Lubricants: A Review of Experimental Studies
/ Macha, Michal (CERN) ; Senajova, Dominika (CERN ; Imperial Coll., London) ; Giles, Tim (CERN) ; Calviani, Marco (CERN) ; Girard, Sylvain (Jean Monnet U. ; IUF, Paris) ; Ferrari, Matteo (Jean Monnet U.)
One of the key priorities in modern mechanical engineering is to ensure the safe, long-lasting operation of systems while maximizing energy efficiency and withstanding extreme and damaging conditions. This is especially relevant in environments subject to radiation, in which materials, depending on their chemical and elemental composition, exhibit specific limitations. [...]
2025 - 28 p.
- Published in : ACS Appl. Mater. Interfaces 17 (2025) 14773-14800
Fulltext: PDF;
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Characterization of Radiophotoluminescence Dosimeters Under X-Ray Irradiation at High Doses
/ Ferrari, M (Lab. Hubert Curien, St. Etienne) ; Aguiar, Y Q (CERN) ; Hasan, A (Lab. Hubert Curien, St. Etienne) ; Alem, A K (Lab. Hubert Curien, St. Etienne) ; Alía, R García (CERN) ; Donzella, A (Brescia U.) ; Pagano, D (Brescia U.) ; Sostero, L (Brescia U.) ; Zenoni, A (Brescia U.) ; Girard, S (Lab. Hubert Curien, St. Etienne ; IUF, Paris)
A characterization of radiophotoluminescence (RPL) dosimeters at high doses of X-ray radiation for applications in high-radiation areas is presented. Commercial FD-7 silver-doped phosphate glasses (1.5$\times$ 8.5mm) in use at CERN for passive dosimetry are irradiated using commercial X-ray tubes. [...]
2024 - 8 p.
- Published in : IEEE Trans. Nucl. Sci.
Fulltext: PDF;
In : Conference on Radiation and its Effects on Components and Systems (RADECS 2023), Toulouse, France, 25 - 29 Sep 2023, pp.1821-1828
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4.
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Online and offline Radiation-Induced Attenuation measurements on FD-7 radiophotoluminescence dosimeters irradiated at high X-ray doses
/ Hasan, A (Lab. Hubert Curien, St. Etienne) ; Aguiar, Y (Lab. Hubert Curien, St. Etienne ; CERN) ; García Alía, R (CERN) ; Campanella, C (Lab. Hubert Curien, St. Etienne) ; Morana, A (Lab. Hubert Curien, St. Etienne) ; Alem, A K (Lab. Hubert Curien, St. Etienne) ; Girard, S (Lab. Hubert Curien, St. Etienne ; IUF, Paris) ; Mandal, A Raj (Lab. Hubert Curien, St. Etienne) ; Ferrari, M (Lab. Hubert Curien, St. Etienne)
Radiophotoluminescence (RPL) FD-7 glass dosimeters find applications in low to high dose radiation environments. This work presents an experimental characterization of RPL glass dosimeter, irradiated with 100 kV X-ray tubes at room temperature at doses ranging from 1.3 kGy to 0.47 MGy, much higher of their common use range. [...]
2024 - 9 p.
- Published in : Radiat. Meas. 177 (2024) 107246
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“Radiation to Materials” at CERN
/ Ferrari, Matteo (CERN ; Lab. Hubert Curien, St. Etienne) ; García Alía, Rubén (CERN) ; Giles, Tim (CERN) ; Senajova, Dominika (CERN ; Imperial Coll., London) ; Pandini, Stefano (U. Brescia) ; Zenoni, Aldo (U. Brescia) ; Calviani, Marco (CERN)
Irradiation tests are continuously needed at the European Organization for Nuclear Research (CERN), to experimentally assess the radiation tolerance of commercial non-metallic materials for use in high-radiation areas. The “Radiation to Materials” (R2M) activity organizes such tests and provides expertise in the interpretation of results, for the design and upgrade of devices absorbing critical doses during their lifetime. [...]
2023 - 7 p.
- Published in : IEEE Trans. Nucl. Sci.
Fulltext: PDF;
In : European Conference on Radiation and its Effects on Components and Systems, Venice, Italy, 3 - 7 Oct 2022, pp.1580-1586
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Production and characterization of $^{111}$Ag radioisotope for medical use in a TRIGA Mark II nuclear research reactor
/ Morselli, L (INFN, Legnaro ; Padua U. ; Ferrara U.) ; Donzella, A (Brescia U. ; INFN, Pavia) ; Arzenton, A (INFN, Legnaro ; Padua U. ; Siena U., CGT) ; Asti, M (Modena U.) ; Bortolussi, S (Pavia U., Dept. Fis. 'A. Volta' ; INFN, Pavia) ; Corradetti, S (INFN, Legnaro ; Padua U.) ; D'Agostino, G (Pavia U.) ; Di Luzio, M (Pavia U.) ; Ferrari, M (Lab. Hubert Curien, St. Etienne ; CERN) ; Gandini, A (Pavia U.) et al.
Radio Pharmaceutical Therapy (RPT) comes forth as a promising technique to treat a wide range of tumors while ensuring low collateral damage to nearby healthy tissues. This kind of cancer therapy exploits the radiation following the decay of a specific radionuclide to deliver a lethal dose to tumor tissues. [...]
2023 - 13 p.
- Published in : Appl. Radiat. Isot. 197 (2023) 110798
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Selection of radiation tolerant commercial greases for high-radiation areas at CERN: Methodology and applications
/ Ferrari, Matteo (CERN) ; Senajova, Dominika (CERN ; Imperial Coll., London) ; Kershaw, Keith (CERN) ; Perillo Marcone, Antonio (CERN) ; Calviani, Marco (CERN)
At the European Laboratory for Particle Physics (CERN), commercial greases and oils are extensively used
to lubricate moving devices operating in high-radiation areas, absorbing doses up to the MGy range. Due
to their sensitivity to radiation, lubricants can become fluid or solid in operation, potentially causing
component failures and compromising the operation of the accelerator complex. [...]
2021 - 8 p.
- Published in : Nucl. Mater. Energy 29 (2021) 101088
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Design and behaviour of the Large Hadron Collider external beam dumps capable of receiving 539 MJ/dump
/ Maestre, J. (CERN ; Granada U.) ; Torregrosa, C. (CERN ; Granada U.) ; Kershaw, K. (CERN) ; Bracco, C. (CERN) ; Coiffet, T. (CERN) ; Ferrari, M. (CERN) ; Ximenes, R. Franqueira (CERN) ; Gilardoni, S. (CERN) ; Grenier, D. (CERN) ; Lechner, A. (CERN) et al.
Two 6-t beam dumps, made of a graphite core encapsulated in a stainless steel vessel, are used to absorb the energy of the two Large Hadron Collider (LHC) intense proton beams during operation of the accelerator. Operational issues started to appear in 2015 during LHC Run 2 (2014-2018) as a consequence of the progressive increase of the LHC beam kinetic energy, necessitating technical interventions in the highly radioactive areas around the dumps. [...]
arXiv:2110.08783.-
2021-11-16 - 36 p.
- Published in : JINST 16 (2021) P11019
Fulltext: 2110.08783 - PDF; document - PDF; Fulltext from publisher: PDF;
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10.
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PRACTICAL CHALLENGES OF THE LHC MAIN BEAM DUMP UPGRADES
/ Martin Ruiz, Jose Maria (CERN) ; Kershaw, Keith (CERN) ; Calviani, Marco (CERN) ; Grenier, Damien (CERN) ; Maestre Heredia, Jorge ; Torregrosa Martin, Claudio Leopoldo (Universidad de Oviedo (ES)) ; Buonocore, Luca Rosario (CERN) ; Serrano Galvez, Pablo ; Matheson, Eloise (CERN) ; Sola Merino, Jorge et al.
The two Large Hadron Collider (LHC) beam dumps have to withstand arduous operating conditions and are essential for the safe and reliable operation of the collider. [...]
CERN-ACC-NOTE-2021-0027.
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2021. - 8 p.
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