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1.
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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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2.
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Status of MQXFB quadrupole magnets for HL-LHC
/ Milanese, A (CERN) ; Ambrosio, G (Fermilab) ; Apollinari, G (Fermilab) ; Axensalva, J (CERN) ; Baldini, M (Fermilab) ; Ballarino, A (CERN) ; Barth, C (CERN) ; o, R Carcagn (Fermilab) ; Crouvizier, M (CERN) ; Devred, A (CERN) et al.
The MQXFB magnets are superconducting quadrupoles with nominal peak field on the conductor of 11.3 T. With their magnetic length of 7.2 m, they stand as the longest Nb3Sn accelerator magnets designed and manufactured up to now. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) WEPM060
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.WEPM060
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3.
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4.
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Fabrication of the Fermilab Pre-Series Cold Mass for the HL-LHC Accelerator Upgrade Project
/ Vouris, A (Fermilab) ; Bossert, R (Fermilab) ; DiMarco, J (Fermilab) ; Feher, S (Fermilab) ; Martin, L (Fermilab) ; Strauss, T (Fermilab) ; Wilson, C (Fermilab) ; Prin, H (CERN) ; Todesco, E (CERN)
Fermilab is fabricating ten full length cold masses for
the high-luminosity Large Hadron Collider Accelerator Upgrade
Project (HL-LHC AUP). One practice assembly and one pre-series
assembly have been completed. [...]
FERMILAB-PUB-22-841-TD.-
2023 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 33 (2023) 1-5
In : Applied Superconductivity Conference, Honolulu, Hawaii, United States, 23 - 28 Oct 2022
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5.
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Status of the MQXFB Nb$_3$Sn quadrupoles for the HL-LHC
/ Izquierdo Bermudez, Susana (CERN) ; Ambrosio, Giorgio (Fermilab) ; Apollinari, Giorgio (Fermilab) ; Ballarino, Amalia (CERN) ; Barth, Christian (CERN) ; Crouvizier, Mickael Denis (CERN) ; Duarte Ramos, Delio (CERN) ; Devred, Arnaud (CERN) ; Feher, Sandor (Fermilab) ; Felice, Helene (CERN) et al.
The cold powering test of the first two prototypes of the MQXFB quadrupoles (MQXFBP1, now disassembled, and MQXFBP2), the Nb3Sn inner triplet magnets to be installed in the HL-LHC, has validated many features of the design, such as field quality and quench protection, but has found performance limitations. In fact, both magnets showed a similar phenomenology, characterized by reproducible quenches in the straight part inner layer pole turn, with absence of training and limiting the performance at 93% (MQXFBP1) and 98% (MQXFBP2) of the nominal current at 1.9 K, required for HL-LHC operation at 7 TeV. [...]
FERMILAB-PUB-22-860-TD.-
2023 - 9 p.
- Published in : IEEE Trans. Appl. Supercond. 33 (2023) 4001209
Fulltext: PDF; External link: Fermilab Library Server
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6.
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Status and challenges of the interaction region magnets for HL-LHC
/ Todesco, E (CERN) ; Izquierdo Bermudez, S (CERN) ; Foussat, A (CERN) ; Gautheron, E (CERN) ; Kirby, G (CERN) ; Felice, H (CERN) ; Perez, J C (CERN) ; Fleiter, J (CERN) ; Barth, C (CERN) ; Milanese, A (CERN) et al.
About one hundred magnets of six different types shall be installed in the High Luminosity LHC (HL-LHC) in the years 2026-2028 at CERN. The magnets design, construction and test are based on CERN collaborations with institutes and industrial partners in USA, Spain, Italy, Japan and China. [...]
FERMILAB-PUB-22-861-TD.-
2023 - 8 p.
- Published in : IEEE Trans. Appl. Supercond. 33 (2023) 4001608
Fulltext: PDF; External link: Fermilab Accepted Manuscript
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7.
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MQXFA Final Design Report
/ Ambrosio, Giorgio
The MQXFA Quadrupole magnets will be installed in High Luminosity LHC to form the Q1 and Q3 inner triplet optical elements in front of the interaction points 1 (ATLAS) and 5 (CMS) [...]
arXiv:2203.06723 ; FERMILAB-TM-2773-TD ; US-HiLumi-doc-948
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120.
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8.
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Challenges and Lessons Learned From Fabrication, Testing, and Analysis of Eight MQXFA Low Beta Quadrupole Magnets for HL-LHC
/ Ambrosio, Giorgio (Fermilab) ; Amm, Kathleen (Brookhaven) ; Anerella, Michael (Brookhaven) ; Apollinari, Giorgio (Fermilab) ; Izquierdo, Gonzalo Arnau (CERN) ; Baldini, Maria (Fermilab) ; Ballarino, Amalia (CERN) ; Barth, Christian (CERN) ; Yahia, Anis Ben (Brookhaven) ; Blowers, James (Fermilab) et al.
By the end of October 2022, the US HL-LHC Accelerator Upgrade Project (AUP) had completed fabrication of ten MQXFA magnets and tested eight of them. The MQXFA magnets are the low beta quadrupole magnets to be used in the Q1 and Q3 Inner Triplet elements of the High Luminosity LHC. [...]
arXiv:2301.09523; FERMILAB-PUB-22-855-TD.-
2023-08 - 8 p.
- Published in : IEEE Trans. Appl. Supercond. 33 (2023) 4003508
Fulltext: 2301.09523 - PDF; 81b192c337ae5d5acaec37450e135529 - PDF; External link: Fermilab Library Server
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9.
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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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10.
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Development and test of single-bore $Cos \vartheta$ Nb$_3$Sn dipole models with cold iron yoke
/ Andreev, N (Fermilab) ; Ambrosio, G (Fermilab) ; Barzi, E (Fermilab) ; Carcagno, R (Fermilab) ; Chichili, D R (Fermilab) ; DiMarco, J (Fermilab) ; Feher, S (Fermilab) ; Imbasciati, L (Fermilab) ; Kashikhin, V V (Fermilab) ; Lamm, M (Fermilab) et al.
Two short Nb$_3$Sn dipole models based on a single-bore cos-theta coil with a cold iron yoke were fabricated and tested at Fermilab. This paper summarizes the details of magnet design and fabrication procedure, and reports the test results including quench performance and quench heater studies, and the magnetic measurements..
FERMILAB-CONF-01-380.-
2002 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 12 (2002) 332-336
Fulltext: PDF;
In : 17th International Conference on Magnet Technology, CERN, Geneva, Switzerland, 24 - 28 Sep 2001, pp.332-336
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