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CERN Document Server 2,050 records found  1 - 10nextend  jump to record: Search took 0.46 seconds. 
1.
(100)
A Metallurgical Inspection Method to Assess the Damage in Performance-Limiting Nb3Sn Accelerator Magnet Coils / LARP Collaboration
The design and production of Nb3Sn-based dipole and quadrupole magnets is critical for the realization of the High-Luminosity Large Hadron Collider (HL-LHC) at the European Organization for Nuclear Research (CERN). Nb3Sn superconducting coils are aimed at enhancing the bending and focusing strengths of accelerator magnets for HL-LHC and beyond. [...]
arXiv:2211.09684; FERMILAB-PUB-22-859-TD.- 2023-01-23 - 8 p. - Published in : IEEE Trans. Appl. Supercond. 33 (2023) 4000208 Fulltext: 1538d141f207cc0f71881f87d73f48d2 - PDF; 2211.09684 - PDF; External link: Fermilab Accepted Manuscript
In : Applied Superconductivity Conference, Honolulu, Hawaii, United States, 23 - 28 Oct 2022, pp.4000208
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2.
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Thin Film (High Temperature) Superconducting Radiofrequency Cavities for the Search of Axion Dark Matter / Golm, J. (CERN) ; Arguedas Cuendis, S.  (CERN) ; Calatroni, S. (CERN) ; Cogollos, C. (ICC, Barcelona U.) ; Döbrich, B. (CERN) ; Gallego, J.D. (Yebes Astron. Ctr.) ; García Barceló, J.M.  (Cartagena Politecnica U.) ; Granados, X. (Barcelona, Autonoma U.) ; Gutierrez, J. (Barcelona, Autonoma U.) ; Irastorza, I.G. (Zaragoza U.) et al.
The axion is a hypothetical particle which is a candidate for cold dark matter. Haloscope experiments directly search for these particles in strong magnetic fields with RF cavities as detectors. [...]
arXiv:2110.01296.- 2022-06 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 32 (2022) 1500605 Fulltext: PDF;
In : 15th European Conference on Applied Superconductivity (EUCAS 2021), Online, 5 - 9 Sep 2021, pp.1500605
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3.
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Analysis of the Mechanical Performance of the 4.2-m-Long MQXFA Magnets for the Hi-Lumi LHC Upgrade / Garcia Fajardo, L. (LBL, Berkeley) ; Ambrosio, G. (Fermilab) ; Yahia, A. Ben (Brookhaven) ; Cheng, D.W. (LBL, Berkeley) ; Ferracin, P. (LBL, Berkeley) ; Ferradas Troitino, J. (CERN) ; Izquierdo Bermudez, S. (CERN) ; Muratore, J. (Brookhaven) ; Prestemon, S. (LBL, Berkeley) ; Ray, K.L. (LBL, Berkeley) et al.
Under the U.S. High Luminosity LHC Accelerator Upgrade Project (HL-LHC AUP), the 150 mm bore, high-field Nb3Sn low-{̱e̱ṯa̱}̱ MQXFA quadrupole magnets are being fabricated, assembled and tested, in the context of the CERN Hi-Luminosity LHC (HL-LHC) upgrade. [...]
arXiv:2303.16795; FERMILAB-PUB-23-116-TD.- 2023-03-27 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 33 (2023) 4003205 Fulltext: 2303.16795 - PDF; 4b8cc3a91b35c5867bfac57ac156409a - PDF; External link: Fermilab Accepted Manuscript
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4.
(74)
Investigations Into X-Band Dielectric Assist Accelerating Structures for Future Linear Accelerators / Wei, Yelong (CERN) ; Grudiev, Alexej (CERN)
Dielectric disk accelerating (DDA) structures are being studied as an alternative to conventional disk-loaded copper structures. This paper investigates numerically an efficient X-band DDA structure operating at a higher order mode of TM02-π. [...]
arXiv:2006.07276.- 2021-03-26 - 10 p. - Published in : IEEE Trans. Nucl. Sci. 68 (2021) 1062-1071 Fulltext from publisher: PDF;
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Training Curves of Nb$_3$Sn Rutherford Cables With a Wide Range of Impregnation Materials Measured in the BOX Facility / Otten, S. (Twente U., Enschede) ; Kario, A. (Twente U., Enschede) ; Wessel, W.A. J. (Twente U., Enschede) ; Leferink, J. (Twente U., Enschede) ; ten Kate, H.H.J. (Twente U., Enschede) ; Daly, M. (PSI, Villigen) ; Hug, C. (PSI, Villigen) ; Sidorov, S. (PSI, Villigen) ; Brem, A. (PSI, Villigen) ; Auchmann, B. (PSI, Villigen ; CERN) et al.
Training of accelerator magnets is a costly and time consuming process. The number of training quenches must therefore be reduced to a minimum. [...]
arXiv:2211.10213.- 2023-08 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 33 (2023) 4003605 Fulltext: 2211.10213 - PDF; Publication - PDF;
In : Applied Superconductivity Conference, Honolulu, Hawaii, United States, 23 - 28 Oct 2022, pp.4003605
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6.
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The ReadoutCard Userspace Driver for the New Alice $O^2$ Computing System / Alexopoulos, Konstantinos (CERN) ; Costa, Filippo (CERN) /ALICE Collaboration
The ALICE (A Large Ion Collider Experiment) experiment focuses on the study of the quark-gluon plasma as a product of heavy-ion collisions at the CERN LHC (Large Hadron Collider). During the Long Shutdown 2 of the LHC in 2019-2020, a major upgrade is underway in order to cope with a hundredfold input data rate increase with peaks of up to 3.4 TB/s. [...]
arXiv:2010.16327.- 2021-07-20 - 8 p. - Published in : IEEE Trans. Nucl. Sci. 68 (2021) 1876-1883 Fulltext: PDF; Fulltext from publisher: PDF;
In : 22nd IEEE Real Time Conference, Virtual, Vietnam, 12 - 23 Oct 2020, pp.1876-1883
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7.
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The Quantum Path Kernel: A Generalized Neural Tangent Kernel for Deep Quantum Machine Learning / Incudini, Massimiliano (Verona U.) ; Grossi, Michele (CERN) ; Mandarino, Antonio (Gdansk U.) ; Vallecorsa, Sofia (CERN) ; Di Pierro, Alessandra (Verona U.) ; Windridge, David (Middlesex U.)
Building a quantum analog of classical deep neural networks represents a fundamental challenge in quantum computing. A key issue is how to address the inherent non-linearity of classical deep learning, a problem in the quantum domain due to the fact that the composition of an arbitrary number of quantum gates, consisting of a series of sequential unitary transformations, is intrinsically linear. [...]
arXiv:2212.11826.- 2023 - 16 p. - Published in : IEEE Trans. Quantum Eng. 4 (2023) 1-16 Fulltext: PDF;
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8.
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Performance of a MQXF Nb$_3$Sn Quadrupole Magnet Under Different Stress Level / Izquierdo Bermudez, Susana (CERN) ; Ambrosio, Giorgio (Fermilab) ; Bordini, Bernardo (CERN) ; Bourcey, Nicolas (CERN) ; Devred, Arnaud ; Ferracin, Paolo (LBNL, Berkeley) ; Ferradas Troitino, Jose (CERN) ; Ferradas Troitino, Salvador (CERN) ; Fiscarelli, Lucio (CERN) ; Fleiter, Jerome (CERN) et al.
In a dipole or in a quadrupole accelerator magnet, the displacement of the coil turns induced by the electromagnetic forces can cause quenches limiting the magnet performance. For this reason, an azimuthal preload is applied to avoid azimuthal movements of the coil up to the required operational current. [...]
arXiv:2204.11944; FERMILAB-PUB-22-223-TD.- 2022-05-10 - 6 p. - Published in : IEEE Trans. Appl. Supercond. 32 (2022) 4007106 Fulltext: PDF; External link: Fermilab Accepted Manuscript
In : 27th International Conference on Magnet Technology (MT-27), Fukuoka, Japan, 15 - 19 Nov 2021, pp.4007106
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9.
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Study of impact ionization coefficients in silicon with Low Gain Avalanche Diodes / Curras Rivera, Esteban (CERN) ; Moll, Michael (CERN)
Impact ionization in silicon devices has been extensively studied and several models for a quantitative description of the impact ionization coefficients have been proposed. We evaluate those models against gain measurements on Low Gain Avalanche diodes (LGADs) and derive new parameterizations for the impact ionization coefficients optimized to describe a large set of experimental data. [...]
arXiv:2211.16543.- 2023-06 - 22 p. - Published in : IEEE Trans. Electron Devices 70 (2023) 2919-2926 Fulltext: 2211.16543 - PDF; document - PDF;
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10.
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A Coupled A–H Formulation for Magneto-Thermal Transients in High-Temperature Superconducting Magnets / Bortot, Lorenzo (CERN) ; Auchmann, Bernhard (CERN) ; Garcia, Idoia Cortes (Darmstadt, Tech. U.) ; De Gersem, Herbert (Darmstadt, Tech. U.) ; Maciejewski, Michal (CERN) ; Mentink, Matthias (CERN) ; Schöps, Sebastian (Darmstadt, Tech. U.) ; Van Nugteren, Jeroen (CERN) ; Verweij, Arjan P. (CERN)
The application of high-temperature superconductors to accelerator magnets for future particle colliders is under study. Numerical methods are crucial for an accurate evaluation of the complex dynamical behavior of the magnets, especially concerning the magnetic field quality and thermal behavior. [...]
arXiv:1909.03312.- 2020-01-27 - 11 p. - Published in : IEEE Trans. Appl. Supercond. 30 (2020) 4900911 Fulltext: PDF;
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