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SPS and CNGS

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Последние добавления:
2025-05-21
06:01
Development, Fabrication & Test of the Round, Multi-Layer REBCO Cables of the Cold Powering Systems of the HL-LHC / Barth, C (CERN) ; Saba, A (CERN) ; Leclercq, Y (CERN) ; Ballarino, A (CERN)
The magnets of the High Luminosity Upgrade of the Large Hadron collider (HL-LHC) will be electrically connected through Cold Powering Systems incorporating superconducting, 100 kA class, power transmission lines to direct current power converters in service galleries. These transmission lines or ‘Superconducting Links’ are based on multi-circuit magnesium di-boride ($\text{MgB}_{2}$) cables in 74.5–120 m long flexible cryostats. [...]
2025 - 5 p. - Published in : IEEE Trans. Appl. Supercond.
- Published in : IEEE Trans. Appl. Supercond.
In : Applied Superconductivity Conference (ASC 2024), Salt Lake City, Utah, United States, 1 - 6 Sep 2024, pp.4801605

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2025-05-21
06:01
Analyzing the Complex Impedances of All LHC Main Dipole Magnets / Janitschke, M (CERN ; U. Rostock) ; Bednarek, M (CERN) ; Ludwin, J (CERN ; Cracow, INP) ; Ravaioli, E (CERN) ; Verweij, A P (CERN) ; van Rienen, U (U. Rostock)
Measuring a superconducting magnet's complex impedance as a function of the frequency is a promising diagnostic tool to investigate its electrical integrity and the potential presence of electrical nonconformities. Such transfer function measurements (TFM) were performed for the first time on a large number of magnets in the Large Hadron Collider (LHC). [...]
2025 - 6 p. - Published in : IEEE Trans. Appl. Supercond. 35 (2025) 4603706 Fulltext: PDF;

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2025-05-21
06:01
Result of Powering and Field Measurements on the GaToroid Demonstrator / Bottura, L (CERN) ; Breschi, M (CERN) ; Haziot, A (Bologna U.) ; Lehtinen, T (CERN) ; Liebsch, M (CERN) ; Mangiarotti, F J (CERN) ; Pentella, M (CERN) ; Perez, J C (CERN) ; Petrone, C (CERN) ; Sedlak, K (Ecole Polytechnique, Lausanne) et al.
GaToroid is a novel idea of a steady-state, toroidal magnet that directs multiple charged particle beams for hadron or electron therapy without rotating parts or magnet ramping. GaToroid has the potential of conformal radiotherapy with a configuration that can be simpler and lighter than conventional rotating gantries, also offering FLASH capability well beyond what is presently possible. [...]
2025 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 35 (2025) 4400605

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2025-05-21
06:01
Complex Impedance of the LHC Main Dipole Magnet in the Presence of Artificial Short Circuits / Janitschke, M (CERN ; U. Rostock) ; Ravaioli, E (CERN) ; Verweij, A P (CERN) ; Willering, G (CERN) ; van Rienen, U (U. Rostock)
Interturn short circuits inside the coil-winding pack of superconducting magnets can lead to severe damage to the magnet during a quench or fast current ramps. Investigating their impact and finding ways to detect these nonconformities could save considerable run-time of an accelerator. [...]
2025 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 35 (2025) 4002905 Fulltext: PDF;
In : Applied Superconductivity Conference (ASC 2024), Salt Lake City, Utah, United States, 1 - 6 Sep 2024, pp.4002905

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2025-05-21
06:01
Characteristic Timescales for the Operation of HTS CICCs in Compact Fusion Reactors / Breschi, Marco (Bologna U.) ; Savoldi, Laura (Polytech. Turin ; INFN, Genoa ; CERN) ; Cavallucci, Lorenzo (Bologna U. ; INFN, Bologna) ; Bottura, Luca (CERN)
In this work we address the shift from Low Temperature Superconductor (LTS) to High Temperature Superconductor (HTS) magnets presently occurring in the development of machines for controlled thermonuclear fusion with magnetic confinement. This shift implies several new challenges, which cannot be ignored in the design and modelling of the future HTS magnets. [...]
2025 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 35 (2025) 4202605
In : Applied Superconductivity Conference (ASC 2024), Salt Lake City, Utah, United States, 1 - 6 Sep 2024, pp.4202605

Подробная запись
2025-05-21
06:01
Status of Production of Beam Separation Dipole Magnets for the High-Luminosity LHC Upgrade / Sugano, M (KEK, Tsukuba) ; Suzuki, K (KEK, Tsukuba) ; Nakamoto, T (KEK, Tsukuba) ; Ikemoto, Y (KEK, Tsukuba) ; Kawamata, H (KEK, Tsukuba) ; Ogitsu, T (KEK, Tsukuba) ; Okada, N (KEK, Tsukuba) ; Tanaka, K (KEK, Tsukuba) ; Takahashi, N (KEK, Tsukuba) ; Terashima, A (KEK, Tsukuba) et al.
Beam separation dipole magnets (D1 magnet, MBXF) will be installed on both sides of two interaction points (ATLAS and CMS) for the High-Luminosity Large Hadron Collider upgrade (HL-LHC). High Energy Accelerator Research Organization (KEK) is responsible for delivering one full-scale prototype and six series production cold masses to the HL-LHC project. [...]
2025 - 6 p. - Published in : IEEE Trans. Appl. Supercond.
- Published in : IEEE Trans. Appl. Supercond.
In : Applied Superconductivity Conference (ASC 2024), Salt Lake City, Utah, United States, 1 - 6 Sep 2024, pp.4003806

Подробная запись
2025-05-16
07:11
Quench Modeling of the GaToroid Demonstrator Magnet for Hadron Therapy / Soldati, Luca (Genoa U.) ; Breschi, Marco (Bologna U.) ; Haziot, Ariel (CERN) ; Willering, Gerard (CERN) ; Vernassa, Gianluca (CERN) ; Bottura, Luca (CERN)
In the design of superconducting magnets, ensuring thermal stability during operation is of paramount importance. This study aims to predict heat propagation and temperature distribution during a quench event in the Low Temperature Superconductor (LTS) demonstrator of the GaToroid coil. [...]
2025 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 35 (2025) 4702305
In : Applied Superconductivity Conference (ASC 2024), Salt Lake City, Utah, United States, 1 - 6 Sep 2024, pp.4702305

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2025-05-10
06:26
Magnetic Field and Temperature Scaling of the Critical Current of REBCO Tapes / Succi, G (CERN ; Southampton U.) ; Ballarino, A (CERN) ; Hopkins, S C (CERN) ; Barth, C (CERN) ; Yang, Y (Southampton U.)
High temperature superconductors (HTS) in the form of REBCO (RE$_1$Ba$_2$Cu$_3$O$_{7-δ}$) coated conductor tapes have undergone, in recent years, major improvement of their transport current properties in high magnetic fields and at liquid helium temperature. The modelling of coils and other applications using REBCO tapes requires accurate characterization and precise knowledge of their properties. [...]
2024 - 7 p. - Published in : IEEE Trans. Appl. Supercond. 34 (2024) 8001007

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2025-05-09
09:44
MD 9543: Failing IR correctors and novel method to find local errors / Persson, Tobias Hakan Bjorn ; Cardona, Javier Fernando (Universidad Nacional de Colombia (CO)) ; Carlier, Felix Simon (CERN) ; Dilly, Joschua Werner (CERN) ; Kar, Ujani (University of Applied Sciences (DE)) ; Maclean, Ewen Hamish (CERN) ; Tomas Garcia, Rogelio (CERN)
This report presents the outcomes of the Machine Development (MD) 9543, focused on strategies to mitigate the effects of failing Interaction Region (IR) correctors and developing novel techniques for identifying local errors in the Large Hadron Collider (LHC). [...]
CERN-ACC-NOTE-2025-0014. - 2025
Full text

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2025-04-30
05:07
Wakefield regeneration in a resonantly driven plasma accelerator / Farmer, John P. (Munich, Max Planck Inst.) ; Della Porta, Giovanni Zevi (CERN)
Plasma wakefields offer high acceleration gradients, orders of magnitude larger than conventional RF accelerators. However, the achievable luminosity remains relatively low, typically limited by repetition rate and the charge accelerated per shot. [...]
arXiv:2404.14175.- 2025-03-05 - 7 p. - Published in : Phys. Rev. Res. 7 (2025) L012055 Fulltext: 2404.14175 - PDF; Publication - PDF;

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