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1.
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Status of Beam Instrumentation at the Electron Beam Test Stand at CERN
/ Sameed, Muhammed (CERN) ; Ady, Marton (CERN) ; Burger, Stephane (CERN) ; Cenede, Jean (CERN) ; Churchman, Ashley (CERN) ; Coiffet, Thibaut (CERN) ; Devauchelle, Wilfried (CERN) ; Forck, Peter (Darmstadt, GSI) ; Ganesh, Abhishek (CERN) ; Guillot-Vignot, Franck (CERN) et al.
An electron beam test stand has been designed and constructed at CERN as part of the High Luminosity LHC (HL-LHC) project, in collaboration with the ARIES project, to test components related to the Hollow Electron Lens (HL-LHC) and the GSI Space Charge Compensation Electron Lens (ARIES). This comprehensive test facility incorporates normal conducting solenoid magnets, including horizontal and vertical correctors, which generate fields of fractional Tesla magnitude. [...]
2024 - 6 p.
- Published in : JACoW COOL 2023 (2024) TUPAM2R1
Fulltext: PDF;
In : 14th International Workshop on Beam Cooling and Related Topics (COOL '23), Montreux, Switzerland, 8 - 13 Oct 2023, pp.TUPAM2R1
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2.
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Superconducting magnets technology for a European heavy ion gantry
/ Prioli, Marco (LASA, Segrate) ; Santini, Carlo (LASA, Segrate) ; Barna, Daniel (Wigner RCP, Budapest) ; Gusvitskii, Todor (Rome U.) ; Perini, Diego (CERN) ; Bianchi, E (INFN, Genoa) ; Felcini, Enrico (CNAO, Milan) ; De Matteis, Ernesto (LASA, Segrate) ; Toral, Fernando (Madrid, CIEMAT) ; Levi, Filippo (INFN, Genoa) et al.
Various initiatives in Europe have been launched to study superconducting magnets for a rotatable gantry suitable to deliver up to 430 MeV/u carbon ions for hadron therapy. Different technologies and layouts are being considered: the baseline solution is developed within the EuroSIG collaboration and consists of a strongly curved cos-$\theta$ dipole based on the classical NbTi superconductor. [...]
2024 - 5 p.
- Published in : JACoW IPAC 2024 (2024) WEXN1
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.WEXN1
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3.
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Mechanical design of the 12 T superconducting dipole. An accelerator-fit, Nb₃Sn double aperture magnet
/ Masci, Marco (CERN) ; Perini, Diego (CERN) ; Baudin, Lucie (CERN)
In the context of the High Field Magnet programme, the 12 T Nb3Sn activity aims to design and manufacture a 2-meter-long, 12 T, cosθ, double aperture dipole. To reach magnetic fields higher than 10 T in accelerator magnets, brittle epoxy-impregnated Nb3Sn Rutherford cables are employed, which makes it difficult to predict the coil's mechanical limit and, in extenso, the magnet's performance. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) WEPS63
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.WEPS63
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DC and pulsed electron beam test facility at CERN
/ Rossi, Adriana (CERN) ; Kolehmainen, Antti (CERN) ; Churchman, Ashley (CERN) ; Perini, Diego (CERN) ; Guillot-Vignot, Franck (CERN) ; Wenander, Fredrik (CERN) ; Zhang, Hao (Liverpool U.) ; Cenede, Jean (CERN) ; Wendt, Manfred (CERN) ; Toscan du Plantier, Maxime (CERN) et al.
An electron beam test stand was designed and constructed at CERN, under the umbrella of the Hi-Lumi project, to tests components for the Hollow Electron Lens (HEL), and in collaboration with the ARIES project for testing the Space Charge Compensation gun. The test facility features normal conductive magnets providing solenoid fields of the order of fractions of Tesla, beam diagnostics including screens (YAG, Cromox and OTR) for the full electron beam characterisation, a Faraday Cup collector to measure the total electron current, and a high voltage power supply up to 40 kV (with the possibility of biasing both gun and collector). [...]
2023
- Published in : JACoW IPAC 2023 (2023) TUPL104
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.TUPL104
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5.
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Literature Review of Suspension Systems for Superconducting Elements
/ Piacentini, Luca (Latvia U., ISSP) ; Dassa, Luca (CERN) ; Perini, Diego (CERN) ; Ratkus, Andris (Latvia U., ISSP) ; Torims, Toms (Latvia U., ISSP) ; Uberti, Stefano (U. Brescia)
When designing suspension systems for superconducting elements, the primary challenge is to strike a balance between limiting the heat load to the cold mass and ensuring the proper mechanical resistance and/or stiffness of the system. This trade-off often leads engineers to choose from a limited set of materials and supporting architectures. [...]
2023 - 17 p.
- Published in : Machines 11 (2023) 929
Fulltext: PDF;
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6.
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Conceptual Design of the HL-LHC Hollow Electron Lens Superconducting Magnet System
/ Foussat, Arnaud (CERN) ; Bragin, Alexey (Novosibirsk, IYF) ; Ferlin, Gerard (CERN) ; Kirby, Glyn (CERN) ; Kolehmainen, Antti (CERN) ; Nikiforov, Danila (Novosibirsk, IYF) ; Pavliuchenko, Vadim (Novosibirsk, IYF) ; Perini, Diego (CERN) ; Petrone, Carlo (CERN) ; Redaelli, Stefano (CERN) et al.
The Hollow Electron Lens (HEL) units are part of the upgrade baseline of the High-Luminosity LHC accelerator (HL-LHC) and will be installed in the machine ring at point P4 on each counter-rotating LHC proton beamline during a long shutdown in 2025-2027 at CERN. The main goal is to improve the collimation system performance by controlling beam energy loss in the beam halo. [...]
2022 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 32 (2022) 4100905
In : 27th International Conference on Magnet Technology (MT-27), Fukuoka, Japan, 15 - 19 Nov 2021, pp.4100905
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9.
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SIGRUM - A SUPERCONDUCTING ION GANTRY WITH RIBONI’S UNCONVENTIONAL MECHANICS
/ Amaldi, Ugo (TERA Foundation (IT)) ; Alharbi, Nader (TERA Foundation (IT)) ; Benedetto, Elena (SEEIIST Association (CH)) ; Riboni, Pierluigi (TERA Foundation (IT)) ; Vaziri, Mohammad (TERA Foundation) ; Aguglia, Davide (CERN) ; Ferrentino, Vittorio (Universita e sezione INFN di Napoli (IT)) ; Le Godec, Gilles (CERN) ; Karppinen, Mikko (CERN) ; Perini, Diego (CERN) et al.
This report describes the conceptual design of a 430 MeV/u carbon ion gantry that is based on superconducting (SC) magnets and features a novel mechanical support [...]
CERN-ACC-NOTE-2021-0014 ; NIMMS-Note-002.
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2021. - 34 p.
Full text
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10.
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Design of the First HTS Single-Coil Demonstrator of GaToroid Toroidal Gantry for Hadron Therapy
/ Felcini, Enrico (CERN) ; Harray, Jerome (CERN) ; Lehtinen, Tuukka (CERN) ; Perini, Diego (CERN) ; Perez, Juan C (CERN) ; de Rijk, Gijs (CERN) ; Dutoit, Bertrand (Ecole Polytechnique, Lausanne) ; Bottura, Luca (CERN)
The design and construction of compact and lightweight gantries for hadron therapy are essential steps toward wider accessibility to this cancer treatment. The use of a high-field steady-state toroidal gantry, i.e., GaToroid, represents an attractive alternative to the state-of-the-art with the potential of significantly reducing size and weight of present installations. [...]
2021 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 31 (2021) 4400205
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