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Mechanical Performance of the First Two Prototype 4.5 m Long Nb3Sn Low-β Quadrupole Magnets for the Hi-Lumi LHC Upgrade
/ Cheng, Daniel W (LBL, Berkeley) ; Ambrosio, Giorgio (Fermilab) ; Anderssen, Eric C (LBL, Berkeley) ; Ferracin, Paolo (CERN) ; Grosclaude, Philippe (CERN) ; Guinchard, Michael (CERN) ; Muratore, Joseph (Brookhaven) ; Pan, Heng (LBL, Berkeley) ; Prestemon, Soren O (LBL, Berkeley) ; Vallone, Giorgio (LBL, Berkeley)
The U.S. High-Luminosity LHC Accelerator Upgrade Project (HL-LHC AUP) team is collaborating with CERN in the design and fabrication of the first 4.5 m long MQXFA magnets, a 150 mm aperture high-field Nb3Sn quadrupole magnet that uses the aluminum shell-based bladder-and-key technology. [...]
FERMILAB-PUB-20-117-TD.-
2020 - 6 p.
- Published in : IEEE Trans. Appl. Supercond. 30 (2020) 4000906
Fulltext: PDF; External link: Fermilab Accepted Manuscript
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Construction and cold test of the superferric dodecapole high order corrector for the LHC High Luminosity upgrade
/ Sorbi, Massimo (Milan U. ; LASA, Segrate) ; Alessandria, Franco (LASA, Segrate) ; Bellomo, Giovanni (Milan U. ; LASA, Segrate) ; Broggi, Francesco (LASA, Segrate) ; Campaniello, Marco (SAES Getters, Milan) ; Canetti, Marco (Rial Vacuum, Parma) ; Fumagalli, Alessandro (SAES Getters, Milan) ; Gangini, Fabrizio (Rial Vacuum, Parma) ; Leone, Augusto (LASA, Segrate) ; Mariotto, Samuele (Milan U. ; LASA, Segrate) et al.
The High Luminosity LHC (HL-LHC) is a program to upgrade the performance of the collider in order to achieve, in the ATLAS and CMS collision regions, instantaneous luminosities a factor of five larger than the actual nominal value. To obtain this result, all the magnets in the collision region will have to be substituted, together with other important devices. [...]
2019 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 29 (2019) 4001905
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Summary of the Mechanical Performances of the 1.5 m Long Models of the Nb3Sn Low-β Quadrupole MQXF
/ Vallone, Giorgio (LBL, Berkeley) ; Ambrosio, Giorgio (Fermilab) ; Anderssen, Eric C (LBL, Berkeley) ; Bajas, Hugo (CERN) ; Bourcey, Nicolas (CERN) ; Cheng, Daniel W (LBL, Berkeley) ; Chlachidze, Guram (Fermilab) ; Ferracin, Paolo (CERN) ; Grosclaude, Philippe (CERN) ; Guinchard, Michael (CERN) et al.
/LARP
The Nb3Sn quadrupole MQXF is being developed as a part of the LHC High Luminosity upgrade. The magnet design was tested on 1:5m long short models, sharing the same cross-section with the full-length magnets. [...]
FERMILAB-PUB-19-052-TD.-
2019 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 29 (2019) 4002805
Fulltext: PDF;
In : Applied Superconductivity Conference 2018, Seattle, United States Of America, 28 Oct - 2 Nov 2018, pp.4002805
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Magnetic Analysis of the MQXF Quadrupole for the High Luminosity LHC
/ Izquierdo Bermudez, S (CERN ; Madrid Politecnic U., ETSI Minas) ; Fiscarelli, Lucio (CERN) ; Ambrosio, Giorgio (Fermilab) ; Bajas, Hugues (CERN) ; Chlachidze, Guram (Fermilab) ; Ferracin, Paolo (CERN) ; DiMarco, Joseph (Fermilab) ; Stoynev, Stoyan Emilov (Fermilab) ; Todesco, Ezio (CERN) ; Sabbi, GianLuca (LBL, Berkeley) et al.
/LARP
The high-luminosity upgrade of the large hadron collider (HL-LHC) requires new high-field and large-aperture quadrupole magnets for the low-beta inner triplets (MQXF). The US Hilumi-LHC Accelerator Upgrade (HL-LHC AUP) and CERN are jointly developing a 150 mm aperture Nb3Sn magnet. [...]
FERMILAB-PUB-19-054.-
2019 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 29 (2019) 4901705
Fulltext: PDF;
In : Applied Superconductivity Conference 2018, Seattle, United States Of America, 28 Oct - 2 Nov 2018, pp.4901705
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Assembly Tests of the First Nb3Sn Low-Beta Quadrupole Short Model for the Hi-Lumi LHC
/ Pan, H (LBL, Berkeley) ; Felice, H (CEA, DEN, Saclay) ; Cheng, D W (LBL, Berkeley) ; Anderssen, E (LBL, Berkeley) ; Ambrosio, G (Fermilab) ; Perez, J C (CERN) ; Juchno, M (CERN) ; Ferracin, P (CERN) ; Prestemon, S O (LBL, Berkeley)
In preparation for the high-luminosity upgrade of the Large Hadron Collider (LHC), the LHC Accelerator Research Program (LARP) in collaboration with CERN is pursuing the development of MQXF: a 150-mm-aperture high-field Nb3Sn quadrupole magnet. The development phase starts with the fabrication and test of several short models (1.2-m magnetic length) and will continue with the development of several long prototypes. [...]
FERMILAB-PUB-16-060-TD.-
2016 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 26 (2016) 4001705
Fulltext: PDF;
In : 24th International Conference on Magnet Technology, Seoul, Korea, 18 - 23 Oct 2015, pp.4001705
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Development of MQXF: The Nb3Sn Low-β Quadrupole for the HiLumi LHC
/ Ferracin, P (CERN) ; Ambrosio, G (Fermilab) ; Anerella, M (Brookhaven) ; Ballarino, A (CERN) ; Bajas, H (CERN) ; Bajko, M (CERN) ; Bordini, B (CERN) ; Bossert, R (Fermilab) ; Cheng, D W (LBL, Berkeley) ; Dietderich, D R (LBL, Berkeley) et al.
The High Luminosity (HiLumi) Large Hadron Collider (LHC) project has, as the main objective, to increase the LHC peak luminosity by a factor five and the integrated luminosity by a factor ten. This goal will be achieved mainly with a new interaction region layout, which will allow a stronger focusing of the colliding beams. [...]
FERMILAB-PUB-16-048-TD.-
2016 - 7 p.
- Published in : IEEE Trans. Appl. Supercond. 26 (2016) 4000207
Fulltext: PDF;
In : 24th International Conference on Magnet Technology, Seoul, Korea, 18 - 23 Oct 2015, pp.4000207
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The Magnetic Model of the LHC at 6.5 TeV
/ Todesco, E (CERN) ; Bottura, L (CERN) ; Giovannozzi, M (CERN) ; Hagen, P (CERN) ; Juchno, M (CERN) ; Lamont, M (CERN) ; Maclean, E (CERN) ; Tomas Garcia, R (CERN) ; Schaumann, M (CERN) ; Schmidt, F (CERN) et al.
After two years of shutdown, the Large Hadron Collider (LHC) operated in 2015 at an energy of 6.5 TeV. In this paper, we give the first outlook of the behavior of the LHC magnets operating at this field level, corresponding to 8-T peak field in the main dipoles. [...]
2016 - 7 p.
- Published in : IEEE Trans. Appl. Supercond. 26 (2016) 4005707
In : 24th International Conference on Magnet Technology, Seoul, Korea, 18 - 23 Oct 2015, pp.4005707
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Optics commissioning for the first p-Pb run in the LHC
/ Versteegen, R ; Jowett, J M ; Langner, A ; Levinsen, Y ; McAteer, M ; McLean, E ; Persson, T ; Skowronski, P ; Solfaroli, M ; Tomas, R et al.
The first physics production with asymmetric p-Pb collisions in 2013 required a complex machine commissioning to be done in a very short time after the Christmas technical stop. [...]
CERN-ACC-NOTE-2013-0025.
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2013.
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