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New Measurement Techniques Used for the Electrical Quality Assurance of HL-LHC Superconducting Magnets
/ Ludwin, Jaromir (Cracow, INP ; CERN) ; Bednarek, Mateusz (CERN) ; Rosa, Tiago Catalo Da (CERN ; Unlisted, PT)
In preparation of the Large Hadron Collider (LHC) upgrade to High Luminosity LHC (HL-LHC), a number of new Nb3Sn magnets, including short model and prototype magnets, had to be electrically qualified. The process included a number of well-established Electrical Quality Assurance (ELQA) tests, such as electrical continuity checks of the magnet instrumentation, High-Voltage (HV) insulation tests of the magnet and quench heater circuits, and impedance measurements. [...]
2024 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 34 (2024) 9001205
Fulltext: PDF;
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Experience on Series Production of the HL-LHC Superferric High Order Corrector Magnets
/ Statera, M (Milan U.) ; Prioli, M (Milan U.) ; Broggi, F (Milan U.) ; De Matteis, E (Milan U.) ; Imeri, L (Milan U.) ; Leone, A (Milan U.) ; Mariotto, S (Milan U. ; INFN, Milan) ; Paccalini, A (Milan U.) ; Pasini, A (Milan U.) ; Pedrini, D (Milan U.) et al.
INFN has developed at the LASA lab (Milano, Italy) the High Order (HO) corrector magnets for the High Luminosity-LHC (HL-LHC) project, which will equip the new interaction regions. All the HO correctors, from skew quadrupole to dodecapole, are based on a novel superferric design, never used so far in high energy colliders, which allows a relatively simple, modular, and easy way to construct a magnet. [...]
2023 - 7 p.
- Published in : IEEE Trans. Appl. Supercond. 33 (2023) 1-7
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The HL-LHC High Order Correctors Series Production and Powering Tests Status
/ Statera, M (Milan U.) ; Broggi, F (Milan U.) ; Matteis, E De (Milan U.) ; Imeri, L (Milan U.) ; Leone, A (Milan U.) ; Mariotto, S (Milan U. ; INFN, Milan) ; Paccalini, A (Milan U.) ; Pasini, A (Milan U.) ; Pedrini, D (Milan U.) ; Prioli, M (Milan U.) et al.
INFN is developing at the LASA lab (Milano, Italy) the High Order (HO) corrector magnets for the High Luminosity-LHC (HL-LHC) project, which will equip the new interaction regions. All the HO correctors, from skew quadrupole to dodecapole, are based on a novel superferric design, never used so far in high energy colliders, which allows a relatively simple, modular, and easy way to construct a magnet. [...]
2022 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 32 (2022) 4004405
In : 27th International Conference on Magnet Technology (MT-27), Fukuoka, Japan, 15 - 19 Nov 2021, pp.4004405
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Characterization with X-rays of a Large-Area GEMPix Detector with Optical Readout for QA in Hadron Therapy
/ Oliveira, Andreia Maia (CERN ; Bern U., LHEP) ; Akkerman, Hylke B (Unlisted, NL) ; Braccini, Saverio (Bern U., LHEP) ; van Breemen, Albert J J M (Unlisted, NL) ; Manzano, Lucia Gallego (CERN ; Lausanne U.) ; Heracleous, Natalie (CERN ; Lausanne U.) ; Katsouras, Ilias (Unlisted, NL ; ASML, Veldhoven) ; Leidner, Johannes (CERN) ; Murtas, Fabrizio (CERN ; Frascati) ; Peeters, Bart (Unlisted, NL) et al.
Quality Assurance (QA) in hadron therapy is crucial to ensure safe and accurate dose delivery to patients. This can be achieved with fast, reliable and high-resolution detectors. [...]
2021 - 20 p.
- Published in : Appl. Sciences 11 (2021) 6459
Fulltext: PDF;
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Completion of the Test Phase for the Hilumi LHC Skew Quadrupole Corrector Magnet
/ Prioli, M (LASA, Segrate) ; Broggi, F (LASA, Segrate) ; Campaniello, M (SAES Getters, Milan) ; Canetti, M (Rial Vacuum, Parma) ; Matteis, E De (LASA, Segrate) ; Gangini, F (Rial Vacuum, Parma) ; Imeri, L (LASA, Segrate) ; Leone, A (LASA, Segrate) ; Manini, P (SAES Getters, Milan) ; Mariotto, S (LASA, Segrate) et al.
In the family of the High-Luminosity LHC high order correctors, the skew quadrupole was the most critical magnet as three assemblies with different solutions were needed to meet the design specifications. This paper summarizes the prototyping phase of the magnet, discussing the observed nonconformities, the subsequent root cause analyses, and the adopted solutions. [...]
2021 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 31 (2021) 4001205
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Quality Assurance methodology for the ATLAS Inner Tracker strip sensor production
/ Ullán, M (Barcelona, Inst. Microelectron.) ; Allport, P (Birmingham U.) ; Dette, K (Toronto U.) ; Fadeyev, V (UC, Santa Cruz, Inst. Part. Phys.) ; Fernández-Tejero, J (Barcelona, Inst. Microelectron.) ; Fleta, C (Barcelona, Inst. Microelectron.) ; Gonella, L (Birmingham U.) ; Kopsalis, I (Birmingham U.) ; Orr, R S (Toronto U.) ; Unno, Y (KEK, Tsukuba)
The production of the strip sensors for the ATLAS Inner Tracker (ITk) will start in 2020. Nearly 22,000 large area sensors will be produced over a period of about five years by Hamamatsu Photonics K.K. [...]
2020 - 8 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 981 (2020) 164521
In : 12th international "Hiroshima" Symposium on the Development and Application of Semiconductor Tracking Detectors (HSTD), Hiroshima, Japan, 14 - 18 Dec 2019, pp.164521
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Photobleaching effects in multi-mode radiation resistant optical fibers
/ Billat, Adrien (CERN) ; Blanc, Jeremy (CERN) ; Kuhnhenn, Jochen (Fraunhofer Inst., Euskirchen) ; Ricci, Daniel (CERN)
This work investigates radiation induced attenuation under gamma ray exposure in various multimode fibers intended for deployment in CERN accelerators. It reports photobleaching under injection of optical signals and characterizes the signal power influence..
2017 - 3 p.
- Published in : 10.1109/RADECS.2017.8696251
In : Conference on Radiation and its Effects on Components and Systems, CERN, Geneva, Switzerland, 2 - 6 Oct 2017, pp.1-3
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