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2025-02-04
06:47
Construction and Analysis of a Modified Nb3Sn 11 T Short Dipole Model / Cabrera, Carmen Abad (CERN) ; Perini, Diego (CERN) ; Bampton, Tavis Alexander (CERN) ; Bahmane, Oussama Id (CERN) ; Izquierdo Bermudez, Susana (CERN) ; Bourcey, Nicolas (CERN) ; Devred, Arnaud (CERN) ; Vez, Ruth Diaz (CERN) ; Garion, Cedric (CERN) ; Guinchard, Michael (CERN) et al.
The 5.2-m-long, 11 T double-aperture Nb3Sn Dipole Magnet was designed to replace some of the standard, 15-m-long 8.3 T Nb–Ti main dipole magnets in the Large Hadron Collider. After the production and test of several of 2-m-long models, the test of full-length 11 T series magnets revealed signs of performance degradation in the coil ends after a sequence of electromagnetic and thermal cycles. The possible sources for performance degradation were categorized into two groups: issues internal to the coils and issues with the coil support structure, in particular in the magnet ends. [...]
2025 - 7 p. - Published in : IEEE Trans. Appl. Supercond. 35 (2025) 1-7 Fulltext: PDF;

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2025-02-04
06:47
Performance of a HL-LHC Nb$_3$Sn Quadrupole Magnet in the 100–200 MPa Range of Azimuthal Stress / Mangiarotti, F J (CERN) ; Izquierdo Bermudez, S (CERN) ; Devred, A (CERN) ; Diaz Vez, R (CERN) ; Ferradas Troitino, J (CERN) ; Ferradas Troitino, S (CERN) ; Feuvrier, J (CERN) ; Guinchard, M (CERN) ; Haziot, A (CERN) ; Milanese, A (CERN) et al.
With the assembly and test results of four Nb$_\text{3}$Sn short-model quadrupoles (MQXFS) for the High Luminosity Upgrade of the CERN Large Hadron Collider (LHC), an optimum pre-load level was established for the construction of the full-length, series magnets. Successive MQXFS magnets were used as testbeds for potential changes (including pre-load fine tuning) to be implemented in the series, and to better understand the stress dependence of Nb$_\text{3}$Sn magnet performance. [...]
2025 - 7 p. - Published in : IEEE Trans. Appl. Supercond. 35 (2025) 4000307 Fulltext: PDF;

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2025-02-04
06:47
Laser-Induced Quench Study of the Magneto-Thermal Stability of Nb$_3$Sn Wires / Kuczynska, J H (CERN ; Geneva U.) ; Hopkins, S C (CERN) ; Senatore, C (Geneva U.) ; Boutboul, T (CERN)
In the pursuit of developing 14+ T Nb$_3$Sn magnets for a future energy-frontier circular collider, there is a growing demand for wires with enhanced critical current density (Jc), larger diameters, and lower copper-to-non-copper ratios. These requirements pose significant challenges to maintaining magnetothermal stability of the superconducting wires. [...]
2025 - 6 p. - Published in : IEEE Trans. Appl. Supercond. 35 (2025) 1-6 Fulltext: PDF;

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2025-02-04
06:47
Evaluating the Electro-Magnetic Effects of Electrical Short-Circuits in a Nb-Ti Accelerator Magnet / Reynaud, V (CERN ; Polytech. Turin) ; Farinon, S (INFN, Genoa) ; Janitschke, M (CERN ; U. Rostock) ; Ravaioli, E (CERN) ; Verweij, A P (CERN) ; Willering, G (CERN) ; van Rienen, U (U. Rostock)
Electrical short-circuits in the coil winding pack of a superconducting magnet can severely impact the magnet's performance and safety during operation. Hence, finding ways to detect and assess these non-conformities is essential. [...]
2025 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 35 (2025) 4700405 Fulltext: PDF;

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2025-02-03
17:12
Advancements in CERN's Radiation Monitoring and Data Analysis Solutions for Radiation to Electronics applications / Bilko, Kacper
This thesis focuses on the aspects related to the protection of electronics in the CERN radiation environment, also known as Radiation Hardness Assurance [...]
CERN-THESIS-2024-325 - 145.


10.5281/zenodo.11032252

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2025-01-28
10:58
Technical specification manuufacture of switch containers (inflector PFN - MKI)
CERN-SL-Spec-99-09-BT. - 1999 - mult..

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2025-01-27
14:36
Technical specification for a safety co-ordiantion assignment in SL division projects
CERN-SL-Spec-2001-12-BT. - 2001 - mult..

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2025-01-27
14:35
Technical specification for a set of mechanical parts for high voltage coaxial connectors
CERN-SL-Spec-2001-10-BT. - 2001 - mult..

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2025-01-27
14:30
Technical specification for a safety co-ordiantion assignment in SL division projects
CERN-SL-Spec-2001-09 ; EDMS-323435. - 2001 - mult..

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2025-01-27
14:28
Technical specification of Elmwood thermostats for the LHC-MQW magnet
CERN-SL-Spec-2001-08-MS. - 2001 - mult..

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High Luminosity Large Hadron Collider (HL-LHC) (1,222)
HiLumi LHC (264)