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1.
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The FCCee Pre-Injector Complex
/ Craievich, Paolo (PSI, Villigen) ; Alharthi, Fahad (IJCLab, Orsay) ; Auchmann, Bernhard (PSI, Villigen) ; Bartmann, Wolfgang (CERN) ; Benedikt, Michael (CERN) ; Besana, Maria Ilaria (CERN) ; Bettoni, Simona (PSI, Villigen) ; Braun, Hans-Heinrich (PSI, Villigen) ; Calviani, Marco (CERN) ; Chaikovska, Iryna (IJCLab, Orsay) et al.
The international FCC study group published in 2019 a Conceptual Design Report for an electron-positron collider with a centre-of-mass energy from 90 to 365 GeV with a beam currents of up to 1.4 A per beam. The high beam current of this collider create challenging requirements on the injection chain and all aspects of the linac need to be carefully reconsidered and revisited, including the injection time structure. [...]
2022 - 4 p.
- Published in : JACoW IPAC 2022 (2022) 2007-2010
Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.2007-2010
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2.
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Study of a Current-Based Quench Detection Method for CCT Magnets via a Co-Wound Superconducting Sensing Wire
/ Gao, Jiani (PSI, Villigen) ; Auchmann, Bernhard (CERN ; PSI, Villigen) ; Hug, Christoph (PSI, Villigen) ; Pautz, Andreas (PSI, Villigen ; ITS, Lausanne) ; Sanfilippo, Stephane (PSI, Villigen)
To respond to the needs of the future accelerators and the upgrade of existing machines, superconducting magnet technology is continuously evolving in the direction of high fields and high current densities. As a result, a fast and efficient quench detection becomes an essential part of the magnet design in order to safely release the stored magnetic energy during a quench. [...]
2021 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 31 (2021) 4701105
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3.
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Modeling of Quench Protection Concepts for Canted-Cosine-Theta Type High-Field Magnets
/ Gao, Jiani (PSI, Villigen) ; Auchmann, Bernhard (CERN ; PSI, Villigen) ; Brouwer, Lucas (LBNL, Berkeley) ; Pautz, Andreas (PSI, Villigen ; Ecole Polytechnique, Lausanne) ; Sanfilippo, Stephane (PSI, Villigen)
An innovative high-field superconducting magnet of Canted-Cosine-Theta (CCT) type has been proposed for Future Circular Collider 16 T dipole magnet design. The unique mechanical structure intercepts the accumulated forces lowering the stress on the windings, constituting intrinsic stress management in high-field Nb $_{3}$ Sn accelerator magnets. [...]
2020 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 30 (2020) 4701505
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4.
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Coil manufacturing process of the first 1-m-long Canted–Cosine–Theta (CCT) model magnet at PSI
/ Montenero, Giuseppe (PSI, Villigen) ; Auchmann, Bernhard (CERN ; PSI, Villigen) ; Arbelaez, Diego (LBNL, Berkeley) ; Brouwer, Lucas (LBNL, Berkeley) ; Caspi, Shlomo (LBNL, Berkeley) ; Felder, Roland (PSI, Villigen) ; Lackner, Friedrich (CERN) ; Sanfilippo, Stephane (PSI, Villigen) ; Sidorov, Serguei (PSI, Villigen) ; Smekens, David (CERN) et al.
At the Paul Scherrer Institute (PSI), the Canted-Cosine-Theta (CCT) magnet program aims at demonstrating that CCT technology is a viable candidate for the development of 16-T dipole magnets, required for future circular colliders. The first step in this direction is the implementation of a Nb$_3$Sn 1-m-long, two-layer CCT single-aperture dipole, referred to as Canted Dipole One (CD1), which is designed to achieve a peak field in the bore of ~11 T. [...]
2019 - 6 p.
- Published in : IEEE Trans. Appl. Supercond. 29 (2019) 4002906
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5.
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Mechanical Structure for the PSI Canted-Cosine-Theta (CCT) Magnet Program
/ Montenero, Giuseppe (PSI, Villigen) ; Auchmann, Bernhard (CERN) ; Brouwer, Lucas (LBL, Berkeley) ; Calzolaio, Ciro (PSI, Villigen) ; Caspi, Shlomo (LBL, Berkeley) ; Rolando, Gabriella (PSI, Villigen) ; Sanfilippo, Stephane (PSI, Villigen)
Abstract: The Canted-Cosine-Theta (CCT) technology has the potential, by its intrinsic stress-management, to lower coil stresses in high-field accelerator magnets. This is especially relevant for Nb3Sn magnets, which may be subject to irreversible degradation if the coil stresses exceed critical values. [...]
2017 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 28 (2018) 4002805
In : 25th International Conference on Magnet Technology, Amsterdam, The Netherlands, 27 Aug - 1 Sep 2017, pp.4002805
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6.
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Electromechanical Design of a 16-T CCT Twin-Aperture Dipole for FCC
/ Auchmann, Bernhard (CERN) ; Brouwer, Lucas (LBL, Berkeley) ; Caspi, Shlomo (LBL, Berkeley) ; Gao, Jiani (PSI, Villigen) ; Montenero, Giuseppe (PSI, Villigen) ; Negrazus, Marco (PSI, Villigen) ; Rolando, Gabriella (CERN) ; Sanfilippo, Stéphane (PSI, Villigen)
Canted-cosine-theta (CCT) technology has been studied for its suitability for a future-circular-collider (FCC) main dipole in terms of magnetic and mechanical performance, electrothermal protectability, as well as efficiency. In this paper, we present lessons learnt from our search for efficient CCT solutions by means of two-dimensional (2-D) magnetic and mechanical simulations, discuss the 3-D periodic mechanical model, as well as 3-D electromagnetic analysis of the end regions. [...]
2017 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 28 (2017) 4000705
In : 25th International Conference on Magnet Technology, Amsterdam, The Netherlands, 27 Aug - 1 Sep 2017, pp.4000705
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7.
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Room Temperature Magnetic Determination of the Current Center Line for the ITER TF Coils
/ Lerch, Philippe (PSI, Villigen) ; Gabard, Alexander (PSI, Villigen) ; Buzio, Marco (CERN) ; Negrazus, Marco (PSI, Villigen) ; Baynham, Elwyn (Magnetech, Oxford) ; Sanfilippo, Stephane (PSI, Villigen) ; Foussat, Arnaud (CEA Cadarache)
The ITER tokamak includes 18 superconducting D-shaped toroidal field (IT) coils. Unavoidable shape deformations as well as assembly errors will lead to field errors, which can be modeled with the knowledge of the current center line (CCL). [...]
2014 - 4.
- Published in : IEEE Trans. Appl. Supercond. 24 (2014) 4201604
In : 23rd International Conference on Magnet Technology, Boston, MA, USA, 14 - 19 Jul 2013, pp.4201604
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8.
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Performance of LHC Main Dipoles for Beam Operation
/ De Rijk, Gijsbert (CERN) ; Bajko, Marta (CERN) ; Bottura, Luca (CERN) ; Buzio, Marco Carlo Luigi (CERN) ; Chohan, Vinod (CERN) ; Deniau, Laurent (CERN) ; Fessia, Paolo (CERN) ; García-Pérez, Juan (CERN) ; Hagen, Per (CERN) ; Koutchouk, Jean-Pierre (CERN) et al.
At present about 90% of the main dipoles for the LHC have been manufactured and one of the three cold mass assemblers has already completed the production. 85% of the 1232 dipoles needed for the tunnel have been tested and accepted. [...]
LHC-PROJECT-Report-974; CERN-LHC-Project-Report-974.-
Geneva : CERN, 2006 - 4 p.
Access to fulltext document: PDF; External link: Published version from JACoW
In : 10th European Particle Accelerator Conference, Edinburgh, UK, 26 - 30 Jun 2006, pp.2610
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