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1.
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Temperature Effect on the Radioluminescence of Differently Doped Silica-Based Optical Fibers
/ Kerboub, Nourdine (CERN ; CNES, Toulouse ; Lab. Hubert Curien, St. Etienne) ; Di Francesca, Diego (CERN) ; Morana, Adriana (Lab. Hubert Curien, St. Etienne) ; Hamzaoui, Hicham El (PhLAM, Villeneuve d'Ascq) ; Ouerdane, Youcef (Lab. Hubert Curien, St. Etienne) ; Bouwmans, Géraud (PhLAM, Villeneuve d'Ascq) ; Habert, Rémi (PhLAM, Villeneuve d'Ascq) ; Cassez, Andy (PhLAM, Villeneuve d'Ascq) ; Boukenter, Aziz (Lab. Hubert Curien, St. Etienne) ; Capoen, Bruno (PhLAM, Villeneuve d'Ascq) et al.
We evaluate the temperature effect on the X-ray radiation-induced luminescence (RIL) of differently doped silica fibers obtained via the sol-gel route. Previous investigations showed that these optical materials exhibit interesting dosimetry properties, such as very good detection capabilities and linear response over a large range of dose rate. [...]
2024 - 7 p.
- Published in : IEEE Trans. Nucl. Sci. 71 (2024) 2280-2286
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2.
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Construction and Test of the Enhanced Racetrack Model Coil, First CERN R&D; Magnet for the FCC
/ Perez, J C (CERN) ; Bajko, M (CERN) ; Bourcey, N (CERN) ; Bordini, B (CERN) ; Bottura, L (CERN) ; Troitiño, S Ferradás (CERN) ; Gautheron, E (CERN) ; Guinchard, M (CERN) ; Bermudez, S Izquierdo (CERN) ; Mangearotti, F (CERN) et al.
Racetrack model coils (RMC) have been built at CERN during the past decade, as an R&D; tool to qualify conductors and technologies developed for high field superconducting accelerator magnets (Perez
et al.
, 2016). RMC, assembled in a dipole magnet configuration, proved to be an efficient instrument reducing cost and feed-back time while developing new magnets. [...]
2022 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 32 (2022) 4005105
In : 27th International Conference on Magnet Technology (MT-27), Fukuoka, Japan, 15 - 19 Nov 2021, pp.4005105
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3.
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Assembly and Test of HD2, a 36 mm Bore High Field ${\rm Nb}_{3}{\rm Sn}$ Dipole Magnet
/ Ferracin, P (LBL, Berkeley) ; Bingham, B (LBL, Berkeley) ; Caspi, S (LBL, Berkeley) ; Cheng, D W (LBL, Berkeley) ; Dietderich, D R (LBL, Berkeley) ; Felice, H (LBL, Berkeley) ; Godeke, A (LBL, Berkeley) ; Hafalia, A R (LBL, Berkeley) ; Hannaford, C R (LBL, Berkeley) ; Joseph, J M (LBL, Berkeley) et al.
We report on the fabrication, assembly, and test of the ${\rm Nb}_{3}{\rm Sn}$ dipole magnet HD2. The magnet, aimed at demonstrating the application of ${\rm Nb}_{3}{\rm Sn}$ superconductor in high field accelerator-type dipoles, features a 36 mm clear bore surrounded by block-type coils with tilted ends. [...]
2009 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 19 (2009) 1240-1243
In : Applied Superconductivity Conference 2008, Chicago, IL, USA, 17 - 22 Aug 2008, pp.1240-1243
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4.
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Mechanical Design of HD2, a 15 T Nb$_3$Sn Dipole Magnet with a 35 mm Bore
/ Ferracin, P (LBL, Berkeley) ; Bartlett, S E (LBL, Berkeley) ; Caspi, S (LBL, Berkeley) ; Dietderich, D R (LBL, Berkeley) ; Gourlay, S A (LBL, Berkeley) ; Hafalia, A R (LBL, Berkeley) ; Hannaford, C R (LBL, Berkeley) ; Lietzke, A F (LBL, Berkeley) ; Mattafirri, S (LBL, Berkeley) ; Mcinturff, A D (LBL, Berkeley) et al.
After the fabrication and test of HD1, a 16 T Nb$_3$Sn dipole magnet based on flat racetrack coil configuration, the Superconducting Magnet Program at Lawrence Berkeley National Laboratory (LBNL) is developing the Nb$_3$Sn dipole HD2. With a dipole field above 15 T, a 35 mm clear bore, and nominal field harmonics within a fraction of one unit, HD2 represents a further step towards the application of block-type coils to high-field accelerator magnets. [...]
2006 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 16 (2006) 378-381
In : 19th International Conference on Magnet Technology, Genoa, Italy, 18 - 23 Sep 2005, pp.378-381
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5.
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Development and Fabrication of Nb$_3$Sn Rutherford Cable for the 11 T DS Dipole Demonstration Model
/ Barzi, E (Fermilab) ; Lombardo, V (Fermilab) ; Nobrega, F (Fermilab) ; Turrioni, D (Fermilab) ; Yamada, R (Fermilab) ; Zlobin, A V (Fermilab) ; Karppinen, M (CERN)
Fermilab and CERN started the development of 11 T Nb$_3$Sn dipoles 11 m long to replace a few regular LHC NbTi dipoles and free space for cold collimators in LHC dispersion suppression (DS) areas. An important step in the design of these magnets is the development of the high aspect ratio Nb$_3$Sn cable to achieve the nominal field of 11 T at the nominal LHC operating current of 11.85 kA with 20% margin. [...]
FERMILAB-CONF-11-431-TD.-
2012 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 22 (2012) 6000805
Fulltext: PDF;
In : 22nd International Conference on Magnet Technology, Marseille, France, 12 - 16 Sep 2011, pp.6000805
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6.
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Mechanical Tests, Analysis, and Validation of the Support Structure of the eRMC and RMM Magnets of the FCC R&D at CERN
/ Pérez, Manuel García (CERN) ; Izquierdo Bermudez, Susana (CERN) ; Perez, Juan Carlos (CERN) ; Bourcey, Nicolas (CERN) ; Grosclaude, Philippe (CERN) ; Guinchard, Michael (CERN) ; Tommasini, Davide (CERN) ; Naini, Sohrab Emami (CERN) ; Ferradas Troitiño, Salvador (CERN)
The enhanced racetrack model coil and racetrack model magnet constitute the current R&D; Nb$_3$Sn magnets under development at CERN aiming to achieve dipole fields of 16-18 T, the design baseline of the Future Circular Collider (FCC). This article reports the mechanical behavior of their common support structure, which underwent three different levels of room-temperature preload (with the bladders and key method) and two cooldown cycles to 80 K. [...]
2020 - 7 p.
- Published in : IEEE Trans. Appl. Supercond. 30 (2020) 4004507
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7.
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Mechanical Design and Analysis of the Baby-IAXO Magnet Cold Mass, Cryostat and Support System
/ Pais Da Silva, Helder (CERN) ; Bykovskiy, Nikolay (CERN) ; Borges de Sousa, Patricia (CERN) ; Dudarev, Alexey (CERN) ; Ten Kate, Herman H. J. (CERN)
According to the so-called Primakoff effect, axions and axion-like particles can transform into photons in the presence of a strong magnetic field. To continue the search for these hypothetical particles, a new helioscope called the International Axion Observatory IAXO, and its subscale but fully functional demonstrator Baby-IAXO, are being designed. [...]
2020 - 6 p.
- Published in : IEEE Trans. Appl. Supercond. 30 (2020) 4500206
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8.
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Advanced Nb$_{3}$Sn conductors tested in a racetrack coil configuration for the 11T dipole project
/ Bajas, Hugues (CERN) ; Bajko, Marta (CERN) ; Izquierdo Bermudez, Susana (CERN) ; Rochepault, Etienne (CERN) ; Lorenzo Gomez, Jose V (CERN) ; Chiuchiolo, Antonella (CERN) ; Perez, Juan Carlos (CERN)
Within the 11T dipole magnet conductor development for the high-luminosity LHC upgrade, two types of Nb3 Sn cable based on the powder-in-tube (PIT) and the Rod and Restack processes (RRP) are tested in racetrack configuration in the short model coil (SMC) magnets. In 2016 and 2017, the performances of three different coils wound with 40-strand cables, one made of OST RRP 132/169 and two of PIT 120 strands have been measured using the SMC structure. [...]
2018 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 28 (2018) 4008605
In : 13th European Conference on Applied Superconductivity, ICCG, Geneva, Switzerland, 17 - 21 Sep 2017, pp.4008605
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9.
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10.
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Effect of the anisotropic magnetostriction on Terfenol-D based fiber Bragg grating magnetic sensors
/ Lanza, G (Sannio U. ; OptoSmart s.r.l., Naples) ; Breglio, G (U. Naples (main) ; OptoSmart s.r.l., Naples) ; Giordano, M (Institute for Composite and Biomedical Materials, Portici ; OptoSmart s.r.l., Naples) ; Gaddi, A (CERN) ; Buontempo, S (INFN, Naples) ; Cusano, A (Sannio U. ; OptoSmart s.r.l., Naples)
In this work, we study the effect of anisotropic magnetostriction on Terfenol-D based fiber Bragg grating magnetic sensors under different types of magneto-mechanical loading. We demonstrate that a Terfenol-D rod is subjected to axial strain also when the magnetic field is perpendicular to the rod axis and as consequence we question the hypothesis of uniaxial behavior that is normally found in the literature for this kind of sensors. [...]
2011 - 8 p.
- Published in : Sens. Actuators A 172 (2011) 420-427
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