CERN Accelerating science

CERN Document Server 6 záznamov nájdených  Hľadanie trvalo 0.57 sekúnd. 
1.
Measurement of integrated gradient and field quality on the first Q2 magnets for HL-LHC / Fiscarelli, Lucio (CERN) ; Todesco, Ezio (CERN) ; Mangiarotti, Franco (CERN) ; Deferne, Guy (CERN) ; Pentella, Mariano (CERN) ; Rogacki, Piotr (CERN) ; Russenschuck, Stephan (CERN) ; Izquierdo Bermudez, Susana (CERN)
The Q2 insertion quadrupoles for the High Luminosity upgrade of the LHC are currently being produced and tested. The test of the first units provides valuable information about the field quality of superconducting accelerator magnets built from Nb3Sn coils. [...]
2024 - 4 p. - Published in : JACoW IPAC 2024 (2024) WEPS64 Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.WEPS64
2.
Fabrication and Test of the Fourth Prototype of the D2 Orbit Corrector Dipole for HL-LHC / Ilardi, Veronica (CERN) ; Felice, Hélène (CERN ; IRFU, Saclay, DACM) ; Feuvrier, Jerome (CERN) ; Fiscarelli, Lucio (CERN) ; Foussat, Arnaud P (CERN) ; Kirby, Glyn (CERN) ; Kosowski, Filip (CERN) ; Mangiarotti, Franco J (CERN) ; Pincot, Francois-Olivier (CERN) ; Rogacki, Piotr T (CERN) et al.
As part of the High-Luminosity upgrade project (HL-LHC) for the Large Hadron Collider (LHC) at CERN, new double-aperture beam orbit corrector magnets will be installed near the recombination dipole (D2). These magnets are 2.2 m long Nb–Ti dipoles based on the Canted Cosine-Theta (CCT) design. [...]
2024 - 6 p. - Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4002006
3.
Encoder-Less Acquisition System for Rotating-Coil Measurements / Rogacki, Piotr (CERN) ; Fiscarelli, Lucio (CERN) ; Russenschuck, Stephan (CERN)
The established approach to rotating-coil measurements involves the integration of the induced voltage signal, triggered by an angular encoder, to re-parameterize the signal from time to the traveled arc length. The encoder is thus deemed necessary to ensure the rejection of speed variation errors. [...]
2024 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4000605 Publication: PDF;
4.
Development of a rotating-coil scanner for superconducting accelerator magnets / Rogacki, Piotr (CERN ; RWTH Aachen U.) ; Fiscarelli, Lucio (CERN) ; Russenschuck, Stephan (CERN) ; Hameyer, Kay (RWTH Aachen U.)
The High-Luminosity upgrade project for the Large Hadron Collider (HL-LHC) at CERN (Conseil Européen pour la Recherche Nucléaire) will require new superconducting magnets for the insertion regions. Among these magnets, the new triplet quadrupoles, based on Nb3Sn technology, require magnetic-field measurements of a high precision in the field angle and multipole field errors. [...]
2020 - 9 p. - Published in : J. Sensors Sensor Syst. 9 (2020) 99-107 Fulltext: PDF;
5.
A Rotating-Coil Scanner for the Precise Magnetic Characterization of Superconducting Accelerator Magnets at Ambient Temperature / Rogacki, Piotr (CERN ; RWTH Aachen U.) ; Fiscarelli, Lucio (CERN) ; Russenschuck, Stephan (CERN) ; Hameyer, Kay (RWTH Aachen U.)
This article presents a versatile scanning system for the magnetic measurements of the accelerator magnets. This system, based on a rotating-coil magnetometer, has been developed to meet the accuracy requirements imposed by the inner-triplet quadrupoles for the High Luminosity Large Hadron Collider (HL-LHC) project at CERN. [...]
2021 - 5 p. - Published in : IEEE Trans. Magn. 57 (2021) 6100105 Fulltext: PDF;
6.
Challenges in extracting pseudo-multipoles from magnetic measurements / Russenschuck, Stephan (CERN) ; Caiafa, Gianni (CERN) ; Fiscarelli, Lucio (CERN) ; Liebsch, Melvin (CERN) ; Petrone, Carlo (CERN) ; Rogacki, Piotr (CERN)
Extracting the coefficients of Fourier-Bessel series, known as pseudo-multipoles or generalized gradients, from magnetic measurements of accelerator magnets involves technical and mathematical challenges. First, a novel design of a short, rotating-coil magnetometer is required that does not intercept any axial field component of the magnet. [...]
2019 - 6 p. - Published in : 10.18429/JACoW-ICAP2018-SUPAG03 Fulltext from publisher: PDF;
In : 13th International Computational Accelerator Physics Conference (ICAP 2018), Key West, FL, USA, 20 - 24 Oct 2018, pp.SUPAG03

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