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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
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Mitigation of Helium Leakage Risks Within the Cryostat of ITER Including Diagnosing the Occurrence of Stress Corrosion Cracking Within the Thermal Shield Cryogenic Helium Pipes
/ Pearce, Robert (Euratom, St. Paul Lez Durance) ; Bersier, J L (Euratom, St. Paul Lez Durance) ; Iannetti, A (Euratom, St. Paul Lez Durance) ; Jarrige, C (Euratom, St. Paul Lez Durance) ; Kang, D (Euratom, St. Paul Lez Durance) ; Laugier, D (Euratom, St. Paul Lez Durance) ; Nasluzov, S (Euratom, St. Paul Lez Durance) ; Noh, C H (Euratom, St. Paul Lez Durance) ; Thapa, B (Euratom, St. Paul Lez Durance) ; Worth, L (Euratom, St. Paul Lez Durance) et al.
The insulating vacuum within the ITER Cryostat has a prime purpose to minimize the heat load on the superconducting coil system by gas thermal conductivity. These coils are shielded from thermal radiation by an 80 K helium-cooled silver-coated thermal shield (TS) consisting of ~500 panels. [...]
2024 - 7 p.
- Published in : IEEE Trans. Plasma Sci. 52 (2024) 3680-3686
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AUP First Pre-Series Cryo-Assembly Design Production and Test Overview
/ Feher, S (Fermilab) ; Ambrosio, G (Fermilab) ; Apollinari, G (Fermilab) ; Baldini, M (Fermilab) ; Bossert, R (Fermilab) ; Carcagno, R (Fermilab) ; Chlachidze, G (Fermilab) ; DiMarco, J (Fermilab) ; Rabehl, R (Fermilab) ; Stoynev, S (Fermilab) et al.
New high field and large-aperture quadrupole magnets for the low-beta inner triplets (Q1, Q2, Q3) have been built and tested as part of the high-luminosity upgrade of the Large Hadron Collider (HL-LHC). These new quadrupole magnets are based on Nb3Sn superconducting technology. [...]
FERMILAB-CONF-23-0891-TD.-
2024 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4005605
Fermilab Library Server: PDF; External link: Fermilab Library Server
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Analysis of the Leakage Events in the Thermal Shield Cooling Pipes of the ITER Magnet System
/ Sgobba, Stefano (CERN) ; Santillana, Ignacio Aviles (CERN) ; Celuch, Michal (CERN) ; Crouvizier, Mickaël (CERN) ; Perez Fontenla, Ana Teresa (CERN) ; Castro, Enrique Rodriguez (CERN) ; Mitchell, Neil (Euratom, St. Paul Lez Durance) ; Koizumi, Norikiyo (Euratom, St. Paul Lez Durance) ; Pearce, Robert (Euratom, St. Paul Lez Durance) ; Worth, Liam (Euratom, St. Paul Lez Durance) et al.
The ITER Thermal Shields (TS) consist of actively cooled stainless steel panels. Their role is to minimise the radiation heat load from warm components, such as the Vacuum Vessel (VV) and the cryostat, hence contributing to insulating the magnet system operating at 4.5 K. [...]
2024 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4203405
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Weld Qualification of the Cold Mass of the Superconducting Quadrupoles Magnets (MQXF) for the HL-LHC Project
/ Castro, Enrique Rodriguez (Carlos III U., Madrid) ; Aviles Santillana, Ignacio (CERN) ; Sgobba, Stefano (CERN) ; Izquierdo, Gonzalo Arnau (CERN) ; Bonnin, Simon (CERN) ; Bampton, Tavis (CERN) ; Prin, Herve (CERN) ; Todesco, Ezio (CERN) ; Navas, Elisa Maria Ruiz (Carlos III U., Madrid)
The High Luminosity Large Hadron Collider (HL-LHC) is a major upgrade to the existing Large Hadron Collider (LHC) at CERN, aimed at increasing the integrated luminosity of the collider by a factor of ten [1]. A key component of the HL-LHC are the superconducting Nb3Sn quadrupole magnets, known as MQXF, whose purpose is to focus the particle beam [3]. [...]
2024 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 9000904
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Cold Mass Assembly of First Full-Scale Prototype of Beam Separation Dipole Magnet for the High-Luminosity LHC Upgrade
/ Sugano, M (KEK, Tsukuba) ; Nakamoto, T (KEK, Tsukuba) ; Suzuki, K (KEK, Tsukuba) ; Ogitsu, T (KEK, Tsukuba) ; Ikemoto, Y (KEK, Tsukuba) ; Terashima, A (KEK, Tsukuba) ; Okada, N (KEK, Tsukuba) ; Kimura, N (Tokyo U., ICRR) ; Kido, S (Ibaraki U., Hitachi) ; Chiba, T (Ibaraki U., Hitachi) et al.
As a Japanese contribution to the High-Luminosity Large Hadron Collider (HL-LHC) upgrade, KEK is in charge of developing the beam separation dipole cold masses. The full-scale prototype magnet (MBXFP1) was constructed in Hitachi and powering test at cold was conducted at KEK. [...]
2024 - 6 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4002106
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Design of the Fermilab Pre-Series Cold Mass for the HL-LHC Accelerator Upgrade Project
/ Bossert, R (Fermilab) ; Arnold, D (Fermilab) ; Feher, S (Fermilab) ; Martin, L (Fermilab) ; Narug, C (Fermilab) ; Nikolic, V (Fermilab) ; Orozco, C (Fermilab) ; Rabehl, R (Fermilab) ; Robotham, W (Fermilab) ; Strauss, T (Fermilab) et al.
As part of the U.S. contribution to the HL-LHC Accelerator Upgrade Project (AUP), Fermilab is designing and building cold masses suitable for use in the LHC interaction regions [...]
FERMILAB-PUB-22-092-TD; THU-PO3-112-02.-
2022 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 32 (2022) 4002204
Fulltext: PDF; External link: Fermilab Accepted Manuscript
In : 27th International Conference on Magnet Technology (MT-27), Fukuoka, Japan, 15 - 19 Nov 2021, pp.4002204
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