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1.
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Lessons learned from the prototypes of the MQXFA Low Beta Quadrupoles for HL-LHC and status of production in the US
/ Ambrosio, Giorgio (Fermilab) ; Amm, Kathleen (BNL, NSLS) ; Anerella, Michael (BNL, NSLS) ; Apollinari, Giorgio (Fermilab) ; Baldini, Maria (Fermilab) ; Blowers, Jamie (Fermilab) ; Bossert, Rodger (Fermilab) ; Carcagno, Ruben (Fermilab) ; Cheng, Daniel W (BNL, NSLS) ; Chlachidze, Guram (Fermilab) et al.
With the successful test of the first two pre-series magnets the US HL-LHC Accelerator Upgrade Project has started production of the MQXFA magnets to be used in Q1/Q3 inner triplet elements of the HL-LHC. This good start comes after the test of two prototypes with limited performance, and it demonstrates the importance of learning from past issues. [...]
FERMILAB-PUB-20-618-TD.-
2021 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 31 (2021) 4001105
Fulltext: PDF;
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2.
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Magnetic Field Measurements of First Pre-series Full-Length 4.2 m Quadrupole MQXFA03 Using PCB Rotating Coils for the Hi-Lumi LHC Project
/ Song, Honghai (Stony Brook U.) ; Ambrosio, Giorgio (Fermilab) ; Amm, Kathleen (Brookhaven) ; Anerella, Michael (Brookhaven) ; Apollinari, Giorgio (Fermilab) ; Cheng, Daniel (LBNL) ; Chlachidze, Guram (Fermilab) ; DiMarco, Joseph (Fermilab) ; Feher, Sandor (Fermilab) ; Ferracin, Paolo (LBNL) et al.
The U.S. Hi-Lumi LHC Accelerator Upgrade Project (AUP) and CERN have joined efforts to develop high field quad-rupoles for the Hi-Lumi LHC upgrade. [...]
FERMILAB-PUB-21-038-TD.-
2021 - 7 p.
- Published in : IEEE Trans. Appl. Supercond. 31 (2021) 4000207
Fulltext: PDF; External link: Fermilab Accepted Manuscript
In : Applied Superconductivity Conference, Online, 24 Oct - 7 Nov 2020, pp.4000207
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3.
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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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4.
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The HL-LHC Low-$\beta$ Quadrupole Magnet MQXF: from Short Models to Long Prototypes
/ Ferracin, Paolo (CERN) ; Ambrosio, Giorgio (Fermilab) ; Anerella, Michael (Brookhaven) ; Bajas, Hugues (CERN) ; Bajko, Marta (CERN) ; Bordini, Bernardo (CERN) ; Bossert, Rodger (Fermilab) ; Bourcey, Nicolas (CERN) ; Cheng, Daniel W (LBL, Berkeley) ; Chlachidze, Guram (Fermilab) et al.
Among the components to be upgraded in LHC inter- action regions for the HiLumi-LHC projects are the inner triplet (or low-β) quadrupole magnets, denoted as Q1, Q2a, Q2b, and Q3. The new quadrupole magnets, called MQXF, are based on Nb3 Sn superconducting magnet technology and operate at a gradient of 132.6 T/m, with a conductor peak field of 11.4 T. [...]
FERMILAB-PUB-19-008-TD.-
2019 - 9 p.
- Published in : IEEE Trans. Appl. Supercond. 29 (2019) 4001309
- Published in : IEEE Trans. Appl. Supercond. 30 (2020) 9700701
Fulltext: PDF;
In : Applied Superconductivity Conference 2018, Seattle, United States Of America, 28 Oct - 2 Nov 2018, pp.4001309
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5.
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Geometric field errors of short models for MQXF, the Nb$_{3}$Sn low-$\beta$ quadrupole for the High Luminosity LHC
/ Izquierdo Bermudez, Susana (CERN) ; Ambrosio, Giorgio (Fermilab) ; Bajas, Hugues (CERN) ; Chlachidze, Guram (Fermilab) ; Ferradas Troitino, Jose (CERN) ; Ferracin, Paolo (CERN) ; Fiscarelli, Lucio (CERN) ; Hagen, Per (CERN) ; Holik, Eddie Frank (Fermilab) ; Di Marco, Joseph (Fermilab) et al.
In the framework of the high-luminosity upgrade of the large hadron collider, the U.S. LARP collaboration and CERN are jointly developing a 150-mm aperture Nb$_{3}$Sn quadrupole for the Large Hadron Collider (LHC) interaction regions. [...]
2018 - 6 p.
- Published in : IEEE Trans. Appl. Supercond. 28 (2018) 4006306
In : 25th International Conference on Magnet Technology, Amsterdam, The Netherlands, 27 Aug - 1 Sep 2017, pp.4006306
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6.
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Design Study of a 16-T Block Dipole for FCC
/ Sabbi, Gianluca (LBL, Berkeley) ; Blomberg Ghini, Jonas (CERN) ; Gourlay, Stephen A (LBL, Berkeley) ; Marchevsky, Maxim (LBL, Berkeley) ; Ravaioli, Emmanuele (CERN) ; Ten Kate, Herman (CERN) ; Verweij, Arjan (CERN) ; Wang, Xiaorong (LBL, Berkeley)
The Future Circular Collider (FCC) study at CERN is investigating the design of a proton-proton collider with a center of mass energy of 100 TeV and a tunnel circumference of 100 km (FCC-hh). Nb_3Sn arc dipoles with 50-mm aperture and 16-T operating field are required for this application. [...]
2016 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 26 (2016) 4004705
In : 12th European Conference on Applied Superconductivity, Lyon, France, 06 - 10 Sep 2015, pp.4004705
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7.
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Performance Characteristics of Nb$_3$Sn Block-Coil Dipoles for a 100 TeV Hadron Collider
/ Sabbi, GianLuca (LBL, Berkeley) ; Bottura, Luca (CERN) ; Cheng, D W (LBL, Berkeley) ; Dietderich, Daniel R (LBL, Berkeley) ; Ferracin, Paolo (CERN) ; Godeke, Arno (LBL, Berkeley) ; Gourlay, StephenA (LBL, Berkeley) ; Marchevsky, Maxim (LBL, Berkeley) ; Todesco, Ezio (CERN) ; Wang, Xiaorong (LBL, Berkeley)
Recent studies highlight a renewed interest in a 100-TeV hadron collider as the next HEP discovery machine. The arc dipoles are the major technology challenge and cost driver for this application. [...]
2015 - 7 p.
- Published in : IEEE Trans. Appl. Supercond. 25 (2015) 4001407
In : Applied Superconductivity Conference 2014, Charlotte, NC, USA, 10 - 15 Aug 2014, pp.4001407
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8.
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Conceptual Design Study of the High Luminosity LHC Recombination Dipole
/ Sabbi, GianLuca (LBNL, Berkeley) ; Wang, Xiaorong (LBNL, Berkeley) ; Arduini, Gianluigi (CERN) ; Giovannozzi, Massimo (CERN) ; Todesco, Ezio (CERN)
The interaction region design of the High-Luminosity LHC requires replacing the recombination dipole magnets (D2) with new ones. The preliminary specifications include an aperture of 10⁵ mm, with 186 mm separation between the twin-aperture axes, and an operating field in the range of 3.5 to 4.5 T. [...]
2014 - 4 p.
- Published in : , pp. WEPRI094
Fulltext: PDF; External link: Published version from JACoW
In : 5th International Particle Accelerator Conference, Dresden, Germany, 15 - 20 Jun 2014, pp.WEPRI094
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9.
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Studies of Mass Spectrum for Dimuon Production in ALICE
/ Zhou, Daicui (Hua-Zhong Normal Univ., Wuhan) ; Cai, Xu (Hua-Zhong Normal Univ., Wuhan) ; Qian, Wanyan (Hua-Zhong Normal Univ., Wuhan) ; Wang, Xiaorong (Hua-Zhong Normal Univ., Wuhan) ; Jouan, Denis (Inst. de Physique Nucléaire, Orsay)
1998
In : Workshop on New Phenomena in High Energy Experiments, Wuhan, China, 17 - 18 Sep 1997, pp.199-210
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