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Curved-Canted-Cosine-Theta (CCCT) Dipole Prototype Development at CERN
/ Haziot, Ariel (CERN) ; Kirby, Glyn (CERN) ; Dallocchio, Alessandro (CERN) ; Devred, Arnaud (CERN) ; Foussat, Arnaud (CERN) ; Gentini, Luca (CERN) ; Mangiarotti, Franco J (CERN) ; Pentella, Mariano (CERN) ; Petrone, Carlo (CERN) ; Pincot, Francois-Olivier (CERN) et al.
Due to its flexibility in generating advanced field harmonic corrections and potential for low cost compared to traditional designs, the Canted Cosine Theta (CCT) configuration is particularly interesting for compact particle accelerators and gantries for medical applications. This article presents the design of a curved demonstrator named Fusillo, a Canted Cosine Theta Nb-Ti dipole magnet that is being developed at CERN, featuring a large aperture of 236 mm, a small bending radius of 1 m, a bending angle of 90$^{\circ }$, and multi-harmonic field correction, with a 3.61 T conductor peak field. [...]
2024 - 8 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4002608
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Design and Fabrication of FRESCA2 Cryostat
/ Dallocchio, Alessandro (CERN) ; Carra, Federico (CERN) ; Tabian, Iuliana (CERN) ; Masci, Marco (CERN) ; Riffaud, Benoit (CERN) ; Zuccalli, Laurent ; Maire, Vincent ; Lombardo, Davide Maria (Universita e INFN, Firenze (IT)) ; Debeux, Julien ; Rigutto, Emilien (CERN) et al.
In the framework of the High Field Magnet activities, a new FRESCA2 test station (Facility for Reception of Superconducting Cables 2) was designed and fabricated at CERN to measure superconducting cables in background magnetic fields. [...]
CERN-ACC-NOTE-2022-0050.
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2022. - 5 p.
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New Generation CERN LHC Injection Dump - Assembly and Installation (TDIS)
/ Carbajo Perez, David (CERN) ; Berthomé, Emmanuel (CERN) ; Bertone, Caterina (CERN) ; Biancacci, Nicolo (CERN) ; Bracco, Chiara (CERN) ; Bregliozzi, Giuseppe (CERN) ; Bulat, Bartosz (CERN) ; Cadiou, Cyril (CERN) ; Calviani, Marco (CERN) ; Cattenoz, Gregory (CERN) et al.
During CERN’s LS2, several upgrades were performed to beam intercepting devices in the framework of the HL-LHC Project. Upgraded equipment includes two internal beam dumps (TDIS) intended for machine protection located at the injection points from the SPS to the LHC. [...]
Geneva : JACoW, 2021 - 4 p.
- Published in : JACoW IPAC 2021 (2021) 3548-3551
Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.3548-3551
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Induced Activation in the Future Charge-Exchange Injection System of the PS Booster
/ Froeschl, R (CERN) ; Bertone, C (CERN) ; Borburgh, J (CERN) ; Burger, S (CERN) ; Dallocchio, A (CERN) ; Dobers, T (CERN) ; Garlasche, M (CERN) ; Hanke, K (CERN) ; Hansen, J (CERN) ; Hourican, M (CERN) et al.
CERN’s Linac2 currently injects protons with a kinetic energy of 50 MeV into the PS Booster (PSB). Linac2 will be replaced by Linac4 which will inject H$^-$ ions with a kinetic energy of 160 MeV into the PSB. [...]
2015 - 6 p.
- Published in : (2015) , pp. 77-82
Fulltext: PDF; External link: Fulltext
In : 12th International Topical Meeting on Nuclear Applications of Accelerators, Washington, DC, USA, 10 - 13 Nov 2015, pp.77-82
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Design and Prototyping of New CERN Collimators in the Framework of the LHC Injector Upgrade (LIU) Project and the High-Luminosity (HL-LHC) Project
/ Nuiry, Francois-Xavier (CERN) ; Aberle, Oliver (CERN) ; Bergeret, Maxime (CERN) ; Bertarelli, Alessandro (CERN) ; Biancacci, Nicolo (CERN) ; Bruce, Roderik (CERN) ; Calviani, Marco (CERN) ; Carra, Federico (CERN) ; Dallocchio, Alessandro (CERN) ; Gentini, Luca (CERN) et al.
In the framework of the Large Hadron Collider (LHC) Injectors Upgrade (LIU) and the High-Luminosity LHC (HL-LHC) Projects at CERN (European Organization for Nuclear Research, in Geneva, Switzerland), collimators in the Super Proton Synchrotron (SPS) to LHC transfer lines as well as ring collimators in the LHC will undergo important upgrades in the forthcoming years, mainly focused during the Long Shutdown 2 foreseen during 2019-2020. This contribution will detail the current design of the TCDIL collimators with a particular emphasis on the engineering developments performed on the collimator jaws, aiming at getting a stringent flatness while consid-ering also the integration of thermal shock resistant materials. [...]
CERN-ACC-2017-302.-
2017 - 4 p.
- Published in : 10.18429/JACoW-IPAC2017-MOPAB006
Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.MOPAB006
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CERN’s Linac4 cesiated surface H$^{-}$ source
/ Lettry, J (CERN) ; Aguglia, D (CERN) ; Bertolo, S (CERN) ; Briefi, S ; Butterworth, A (CERN) ; Coutron, Y (CERN) ; Dallocchio, A (CERN) ; David, N (CERN) ; Chaudet, E (CERN) ; Fantz, U et al.
Linac4 cesiated surface H$^{-}$ sources are routinely operated for the commissioning of the CERN’s Linac4 and on an ion source test stand. Stable current of 40-50 mA are achieved but the transmission through the LEBT of 80% was below expectations and triggered additional beam simulation and characterization. [...]
2017
- Published in : AIP Conf. Proc. 1869 (2017) 030002
In : 5th International Symposium on Negative Ions, Beams and Sources, Oxford, United Kingdom, 12 - 16 Sep 2016, pp.030002
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Linac4 H− ion sources
/ Lettry, J (CERN) ; Aguglia, D (CERN) ; Alessi, J (RIKEN BNL) ; Andersson, P (CERN) ; Bertolo, S (CERN) ; Briefi, S (Augsburg U.) ; Butterworth, A (CERN) ; Coutron, Y (CERN) ; Dallocchio, A (CERN) ; David, N (CERN) et al.
CERN’s 160 MeV H−linear accelerator (Linac4) is a key constituent of the injector chain upgrade of the Large Hadron Collider that is being installed and commissioned. A cesiated surface ion source prototype is being tested and has delivered a beam intensity of 45 mA within an emittance of 0.3 π ⋅ mm ⋅ mrad. [...]
2015
- Published in : Rev. Sci. Instrum. 87 (2015) 02B139
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