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1.
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Failure Assessments for MQXF Magnet Support Structure with a Graded Approach
/ Pan, Heng (LBL, Berkeley) ; Anderssen, Eric C (LBL, Berkeley) ; Cheng, Daniel W (LBL, Berkeley) ; Prestemon, Soren O (LBL, Berkeley) ; Ambrosio, Giorgio (Fermilab)
The High-Luminosity Large Hadron Collider (HLLHC) upgrade requires new quadrupoles, MQXF, to replace the present LHC inner triplets. The MQXFA magnet is the first prototype that has a 150 mm aperture and uses Nb3Sn superconducting technology in a 4.2 m magnetic length structure. [...]
FERMILAB-PUB-19-057-TD.-
2019 - 7 p.
- Published in : IEEE Trans. Appl. Supercond. 29 (2019) 8401507
Fulltext: PDF; External link: Fermilab Accepted Manuscript
In : Applied Superconductivity Conference 2018, Seattle, United States Of America, 28 Oct - 2 Nov 2018, pp.8401507
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2.
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Field Quality of the 4.5-m-Long MQXFA Pre-Series Magnets for the HL-LHC Upgrade as Observed During Magnet Assembly
/ Wang, X (LBL, Berkeley) ; Ambrosio, G (Fermilab) ; Yahia, A Ben (Brookhaven) ; Cheng, D W (LBL, Berkeley) ; DiMarco, J (Fermilab) ; Ferracin, P (LBL, Berkeley) ; Ghiorso, W (LBL, Berkeley) ; Izquierdo Bermudez, S (CERN) ; Myers, C (LBL, Berkeley) ; Pan, H (LBL, Berkeley) et al.
The U.S. High-Luminosity LHC Accelerator Upgrade Project (HL-LHC AUP) is developing MQXFA magnets, a series of 4.5 m long 150 mm aperture high-field Nb$_3$Sn quadrupole magnets for the HL-LHC upgrade at CERN. [...]
FERMILAB-PUB-22-524-TD.-
2022 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 32 (2022) 4002405
In : 27th International Conference on Magnet Technology (MT-27), Fukuoka, Japan, 15 - 19 Nov 2021, pp.4002405
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3.
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Fracture failure analysis for MQXFA magnet aluminum shells
/ Pan, Heng (LBNL, Berkeley) ; Anderssen, Eric C (LBNL, Berkeley) ; Ambrosio, Giorgio (Fermilab) ; Cheng, Daniel W (LBNL, Berkeley) ; Ferracin, Paolo (CERN) ; Prestemon, Soren O (LBNL, Berkeley) ; Takala, Eelis Tapani (CERN) ; Vallone, Giorgio (LBNL, Berkeley)
The High-Luminosity LHC Accelerator Upgrade Project (HL-LHC AUP) is approaching the production phase of the US-contributed Q1 and Q3 Interaction Region Quadrupoles (MQXFA). The structures for the MQXFA prototypes were design and inspected by the US-LARP (LHC Accelerator Research Program), AUP developed criteria, which will be used for the pre-series structures. [...]
FERMILAB-PUB-20-118-TD.-
2020 - 7 p.
- Published in : IEEE Trans. Appl. Supercond. 30 (2020) 4002307
Fulltext: PDF; External link: Fermilab Accepted Manuscript
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4.
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Mechanical Performance of the First Two Prototype 4.5 m Long Nb$_3$Sn 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 Nb$_3$Sn 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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5.
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Field Quality of HD3—A Nb$_3$Sn Dipole Magnet Based on Block Design
/ Wang, Xiaorong (LBL, Berkeley) ; Cheng, Daniel W (LBL, Berkeley) ; Dietderich, Daniel R (LBL, Berkeley) ; DiMarco, Joseph (Fermilab) ; Felice, Hélène (Saclay) ; Ferracin, Paolo (CERN) ; Marchevsky, Maxim (LBL, Berkeley) ; Prestemon, Soren O (LBL, Berkeley) ; Sabbi, Gianluca (LBL, Berkeley)
HD3 is the latest magnet of a series of block-type Nb3Sn dipole model magnets developed by the Superconducting Magnet Program at Lawrence Berkeley National Laboratory. The magnet is 1 m long with a clear aperture of 43 mm. [...]
FERMILAB-PUB-19-402-TD.-
2019 - 7 p.
- Published in : IEEE Trans. Appl. Supercond. 29 (2019) 4002507
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6.
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Fabrication and Assembly Performance of the First 4.2 m MQXFA Magnet and Mechanical Model for the Hi-Lumi LHC Upgrade
/ Cheng, Daniel W (LBNL, Berkeley) ; Ambrosio, Giorgio (Fermilab) ; Anderssen, Eric C (LBNL, Berkeley) ; Bourcey, Nicolas (CERN) ; Felice, Helene (Saclay) ; Ferracin, Paolo (CERN) ; Grosclaude, Philippe (CERN) ; Guinchard, Michael (CERN) ; Perez, Juan Carlos (CERN) ; Pan, Heng (LBNL, Berkeley) et al.
The LHC accelerator research program (LARP), in collaboration with CERN and under the scope of the high luminosity upgrade of the Large Hadron Collider, is in the prototyping stage in the development of a 150 mm aperture high-field Nb$_3$Sn quadrupole magnet called MQXF. This magnet is mechanically supported using a shell-based support structure, which has been extensively demonstrated on several R&D; models within LARP, as well as in the more recent short (1.2 m magnetic length) MQXF model program. [...]
FERMILAB-PUB-17-372-TD.-
2018 - 7 p.
- Published in : IEEE Trans. Appl. Supercond. 28 (2018) 4006207
Fulltext: PDF;
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7.
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Mechanical Design Studies of the MQXF Long Model Quadrupole for the HiLumi LHC
/ Pan, H (LBL, Berkeley) ; Anderssen, E (LBL, Berkeley) ; Ambrosio, G (Fermilab) ; Cheng, D W (LBL, Berkeley) ; Juchno, M (LBL, Berkeley) ; Ferracin, P (CERN) ; Felice, H (CEA, DSM, Saclay) ; Perez, J C (CERN) ; Prestemon, S O (LBL, Berkeley) ; Vallone, G (CERN)
The Large Hadron Collider Luminosity upgrade(HiLumi) program requires new low-β triplet quadrupole magnets, called MQXF, in the Interaction Region (IR) to increase the LHC peak and integrated luminosity. The MQXF magnets, designed and fabricated in collaboration between CERN and the U.S. [...]
FERMILAB-PUB-16-606-TD.-
2017 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 27 (2017) 4004105
Fulltext: PDF;
In : Applied Superconductivity Conference, Denver, CO, USA, 4 - 9 Sep 2016, pp.4004105
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8.
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Assembly Tests of the First Nb$_{3}$Sn 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 Nb$_{3}$Sn 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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9.
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Multipoles Induced by Inter-Strand Coupling Currents in LARP Nb$_{3}$Sn Quadrupoles
/ Wang, X (LBNL, Berkeley) ; Ambrosio, G (Fermilab) ; Borgnolutti, F (LBNL, Berkeley) ; Buehler, M (Fermilab) ; Chlachidze, G (Fermilab) ; Dietderich, D R (LBNL, Berkeley) ; DiMarco, J (Fermilab) ; Felice, H (LBNL, Berkeley) ; Ferracin, P (CERN) ; Ghosh, A (Brookhaven Natl. Lab.) et al.
The U.S. LHC Accelerator Research Program has been developing Nb_3Sn quadrupole magnets of progressively increasing performance and complexity for the High-Luminosity LHC project. [...]
2014 - 7 p.
- Published in : 10.1109/TASC.2013.2285235
In : 23rd International Conference on Magnet Technology, Boston, MA, USA, 14 - 19 Jul 2013, pp.4002607
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10.
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Field Quality Measurements of LARP Nb$_{3}$Sn Magnet HQ02
/ DiMarco, J (Fermilab) ; Ambrosio, G (Fermilab) ; Buehler, M (Fermilab) ; Chlachidze, G (Fermilab) ; Orris, D (Fermilab) ; Sylvester, C (Fermilab) ; Tartaglia, M (Fermilab) ; Velev, G (Fermilab) ; Yu, M (Fermilab) ; Zlobin, A (Fermilab) et al.
/LARP
Large-aperture, high-field, Nb$_{3}$Sn quadrupoles are being developed by the US LHC accelerator research program (LARP) for the High luminosity upgrade of the Large Hadron Collider (HiLumi-LHC). The first 1 m long, 120 mm aperture prototype, HQ01, was assembled with various sets of coils and tested at LBNL and CERN. [...]
FERMILAB-CONF-13-511-TD.-
2014 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 24 (2014) 4003905
Fulltext: PDF; External links: FERMILABCONF; OSTI
In : 23rd International Conference on Magnet Technology, Boston, MA, USA, 14 - 19 Jul 2013, pp.4003905
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