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1.
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Test Results of the MQYYM: A 90 Mm NbTi Quadrupole Magnet Option for HL-LHC
/ Simon, D (IRFU, Saclay) ; Perraud, S (IRFU, Saclay) ; Felice, H (IRFU, Saclay ; CERN) ; Godon, R (IRFU, Saclay) ; Machado, R Correia (IRFU, Saclay) ; Gheller, J M (IRFU, Saclay) ; Bouziat, D (IRFU, Saclay) ; Stepanov, V (IRFU, Saclay) ; Madur, A (IRFU, Saclay) ; Segreti, M (IRFU, Saclay) et al.
For the HL-LHC project, a 90 mm NbTi cos(2θ) double aperture quadrupole magnet with an operating gradient of 120 T/m at 1.9 K has been designed as an option to replace the 70 mm aperture LHC quadrupole MQY. CEA in collaboration with CERN designed and manufactured a single aperture short model magnet with a magnetic length of 1.215 m at 1.9 K called MQYYM. [...]
2022 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 32 (2022) 4004305
In : 27th International Conference on Magnet Technology (MT-27), Fukuoka, Japan, 15 - 19 Nov 2021, pp.4004305
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2.
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Test Result of a Full-Scale Prototype of Beam Separation Dipole Magnet for the High-Luminosity LHC Upgrade
/ Sugano, M (KEK, Tsukuba) ; Suzuki, K (KEK, Tsukuba) ; Nakamoto, T (KEK, Tsukuba) ; Iida, M (KEK, Tsukuba) ; Ikemoto, Y (KEK, Tsukuba) ; Kawamata, H (KEK, Tsukuba) ; Ogitsu, T (KEK, Tsukuba) ; Ohata, H (KEK, Tsukuba) ; Okada, N (KEK, Tsukuba) ; Okada, R (KEK, Tsukuba) et al.
High Energy Accelerator Research Organization (KEK) is developing Nb-Ti based beam separation dipole (MBXF) for the high-luminosity Large Hadron Collider (HL-LHC) upgrade within the framework of CERN–KEK collaboration. This magnet produces field integral of 35 T•m in a 150 mm bore at 12 kA and 1.9 K. [...]
2022 - 7 p.
- Published in : IEEE Trans. Appl. Supercond. 32 (2022) 4003407
In : 27th International Conference on Magnet Technology (MT-27), Fukuoka, Japan, 15 - 19 Nov 2021, pp.4003407
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3.
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Quench Performance of HQ01, a 120 mm Bore LARP Quadrupole for the LHC Upgrade
/ Marchevsky, M (LBL, Berkeley) ; Ambrosio, G (Fermilab) ; Bingham, B (LBL, Berkeley) ; Bossert, R (Fermilab) ; Caspi, S (LBL, Berkeley) ; Cheng, D W (LBL, Berkeley) ; Chlachidze, G (Fermilab) ; Dietderich, D (LBL, Berkeley) ; DiMarco, J (Fermilab) ; Felice, H (LBL, Berkeley) et al.
We report quench test results for the 1-meter long, 120 mm aperture Nb$_3$Sn quadrupole magnet, HQ01, designed, fabricated and tested for the LHC Accelerator Research Program (LARP). The magnet has a design gradient of 219 T/m at 1.9 K and peak field of ~15 T. [...]
2012 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 22 (2012) 4702005
In : 22nd International Conference on Magnet Technology, Marseille, France, 12 - 16 Sep 2011, pp.4702005
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4.
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Impact of Coil Compaction on Nb$_3$Sn LARP HQ Magnet
/ Felice, H (LBL, Berkeley) ; Ambrosio, G (Fermilab) ; Anerella, M D (Brookhaven Natl. Lab.) ; Bocian, D (Fermilab) ; Bossert, R (Fermilab) ; Caspi, S (LBL, Berkeley) ; Collins, B (UC, Berkeley (main)) ; Cheng, D (LBL, Berkeley) ; Chlachidze, G (Fermilab) ; Dietderich, D R (LBL, Berkeley) et al.
In the past two years the US LARP program carried out five tests on a quadrupole magnet aimed at the high luminosity upgrade of Large Hadron Collider (HiLumi-LHC). The 1-meter long, 120 mm bore Nb$_3$Sn IR quadrupole magnet (HQ) with a short sample gradient of 219 T/m at 1.9 K and a conductor peak field of 15 T is part of the US LHC Accelerator Research Program (LARP). [...]
2012 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 22 (2012) 4001904
In : 22nd International Conference on Magnet Technology, Marseille, France, 12 - 16 Sep 2011, pp.4001904
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5.
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Powering Performance and Endurance Beyond Design Limits of HL-LHC Low-Beta Quadrupole Model Magnets
/ Mangiarotti, Franco J (CERN) ; Ferradas Troitino, Salvador (CERN) ; Duda, Michal (Cracow, INP) ; Bajko, Marta (CERN) ; Bottura, Luca (CERN) ; Desbiolles, Vincent (CERN) ; Elekes, Gyopar (Babes-Bolyai U.) ; Ferradas Troitino, Jose (METROLAB, Geneva ; CERN) ; Feuvrier, Jerome (CERN) ; Ferracin, Paolo (LBNL, Berkeley) et al.
For the High Luminosity Upgrade project (HL-LHC) of the CERN Large Hadron Collider (LHC), lower β* quadrupole magnets based on advanced Nb 3 Sn conductors will be installed on each side of the ATLAS and CMS interaction points. To quantify the endurance and technological limits of these magnets, beyond their maximum operational conditions, two short length model magnets have been extensively tested at the CERN SM18 test facility. [...]
2021 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 31 (2021) 4000805
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6.
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7.
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Mechanical Analysis and Assembly of MQYYM: A 90 mm NbTi Quadrupole Magnet Option for HL-LHC
/ Simon, Damien (U. Paris-Saclay) ; Felice, Helene (U. Paris-Saclay) ; Perraud, Simon (U. Paris-Saclay) ; Rifflet, Jean-Michel (U. Paris-Saclay) ; Rochepault, Etienne (U. Paris-Saclay) ; Segreti, Michel (U. Paris-Saclay) ; Ollier, Randy (U. Paris-Saclay) ; Minier, Gilles (U. Paris-Saclay) ; Graffin, Patrick (U. Paris-Saclay) ; Perez, Juan C (CERN) et al.
For the HL-LHC project, a 90 mm double aperture NbTi quadrupole magnet is being developed as an option to replace the 70 mm aperture LHC quadrupole MQY. This cos2θ magnet has an operating gradient of 120 T/m at 1.9 K and a magnetic length of 3.67 m. [...]
2020 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 30 (2020) 4000605
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8.
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Test of the First Full-Length Prototype of the HL-LHC D2 Orbit Corrector Based on Canted Cosine Theta Technology
/ Mangiarotti, Franco J (CERN) ; Duda, Michal (Cracow, INP ; CERN) ; Fiscarelli, Lucio (CERN) ; Kirby, Glyn (CERN) ; Bajko, Marta (CERN) ; Coll, Dominic (Unlisted, GB) ; Desbiolles, Vincent ; Feuvrier, Jerome (CERN) ; Guyon, Jean-Luc (CERN) ; Mazet, Jacky (CERN) et al.
In the context of CERN's high-luminosity upgrade project (HL-LHC) for the Large Hadron Collider (LHC), a new double aperture beam orbit corrector magnets will be installed near the recombination dipole (D2). These 2.2 m long NbTi dipoles are built with the canted cosine theta (CCT) technique. [...]
2020 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 30 (2020) 4000505
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9.
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Performance of the Large Hadron Collider's Cryogenic Bypass Diodes Over the First Two Physics Runs, Future Projects, and Perspectives
/ D'Angelo, Giorgio (CERN) ; Charifoulline, Zinour (CERN) ; Denz, Reiner (CERN) ; Favre, Mathieu (CERN) ; Hagedorn, Dietrich (CERN) ; Monteuuis, Arnaud (CERN) ; Rodriguez-Mateos, Felix (CERN) ; Siemko, Andrzej (CERN) ; Stachon, Krzysztof (CERN) ; Verweij, Arjan (CERN) et al.
Cryogenic bypass diodes have been installed in all superconducting dipole magnets (1232) and quadrupole magnets (392) of the Large Hadron Collider (LHC) at CERN, and operated during the physics runs since 2009. The bypass diodes are a fundamental ingredient of the quench protection system for those main dipoles and quadrupoles magnets. [...]
2020 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 30 (2020) 4002404
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10.
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Improvement in Training Performance by Enhancing Coil Mechanical Support in the Beam Separation Dipole Model Magnet for the HL-LHC Upgrade
/ Sugano, Michinaka (KEK, Tsukuba) ; Suzuki, Kento (KEK, Tsukuba) ; Nakamoto, Tatsushi (KEK, Tsukuba) ; Higashi, Norio (KEK, Tsukuba) ; Iida, Masahisa (KEK, Tsukuba) ; Ikeda, Hiroshi (KEK, Tsukuba) ; Ikemoto, Yukiko (KEK, Tsukuba) ; Kawamata, Hiroshi (KEK, Tsukuba) ; Kimura, Nobuhiro (KEK, Tsukuba) ; Ogitsu, Toru (KEK, Tsukuba) et al.
Nb-Ti based large-aperture beam separation dipoles (MBXFs) will be installed on both sides of two interaction points, ATLAS and CMS, for the high-luminosity LHC upgrade. The most important requirements for MBXF is a coil aperture of 150 mm and the field integral of 35 T·m. [...]
2020 - 6 p.
- Published in : IEEE Trans. Appl. Supercond. 30 (2020) 4001806
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