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Comparison of Two Detector Magnetic Systems for the Future Circular Hadron-Hadron Collider
/ Klyukhin, Vyacheslav (SINP, Moscow ; CERN) ; Ball, Austin (CERN) ; Berriaud, Christophe Paul (IRFU, Saclay) ; Curé, Benoit (CERN) ; Dudarev, Alexey (CERN) ; Gaddi, Andrea (CERN) ; Gerwig, Hubert (CERN) ; Hervé, Alain (Wisconsin U., Madison) ; Mentink, Matthias (CERN) ; Riegler, Werner (CERN) et al.
The conceptual design study of a Future Circular hadron-hadron Collider (FCC-hh) to be con-structed at CERN with a center-of-mass energy of the order of 100 TeV requires superconducting magnetic systems with a central magnetic flux density of an order of 4 T for the experimental detectors. The developed concept of the FCC-hh detector involves the use of an iron-free magnetic system consisting of three superconducting solenoids. [...]
arXiv:2401.02835.-
2023-09-17 - 11 p.
- Published in : Appl. Sciences 13 (2023) 10387
Fulltext: document - PDF; 2401.02835 - PDF;
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The CMS Magnetic Field Measuring and Monitoring Systems
/ Klyukhin, Vyacheslav (SINP, Moscow ; CERN) ; Ball, Austin (CERN) ; Bergsma, Felix (CERN) ; Boterenbrood, Henk (NIKHEF, Amsterdam) ; Curé, Benoit (CERN) ; Dattola, Domenico (INFN, Turin ; Polytech. Turin) ; Gaddi, Andrea (CERN) ; Gerwig, Hubert (CERN) ; Hervé, Alain (Wisconsin U., Madison) ; Loveless, Richard (Wisconsin U., Madison) et al.
This review article describes the performance of the magnetic field measuring and monitoring systems for the Compact Muon Solenoid (CMS) detector. To cross-check the magnetic flux distribution obtained with the CMS magnet model, four systems for measuring the magnetic flux density in the detector volume were used. [...]
arXiv:2202.02562; FERMILAB-PUB-22-063-PPD.-
2022-01-15 - 22 p.
- Published in : Symmetry 14 (2022) 169
Fulltext: jt - PDF; 2202.02562 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
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A fiber optic sensors monitoring system for the central beam pipe of the CMS experiment
/ Fienga, Francesco (CERN ; U. Naples (main) ; INFN, Naples) ; Szillasi, Zoltan (Debrecen, Inst. Nucl. Res.) ; Beni, Noemi (CERN) ; Irace, Andrea (Naples U.) ; Gaddi, Andrea (CERN) ; Zeuner, Wolfram (CERN) ; Ball, Austin (CERN) ; Buontempo, Salvatore (CERN ; INFN, Naples) ; Breglio, Giovanni (CERN ; U. Naples (main) ; INFN, Naples)
In this paper we describe the main characteristics and experimental results, recorded in more than four years of data acquisition, of a temperature and strain monitoring system, called i-pipe, based on Fiber Bragg Grating (FBG) sensors arrays applied for the first time to a sector of the Large Hadron Collider (LHC) at the European Organization for Nuclear Research (CERN): the central beam pipe (BP) of the Compact Muon Solenoid (CMS). The monitoring system, consisting of four arrays of 16 FBG sensors each, as better described in the text, is placed on four directives of the LHC section that passes inside the CMS experiment, namely the CMS central BP. [...]
2019 - 6 p.
- Published in : Opt. Laser Technol. 120 (2019) 105650
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Superconducting detector magnets baseline designs for particle physics experiments at the Future Circular Collider
/ Bielert, Erwin (CERN ; Illinois U., Urbana (main)) ; Berriaud, Christophe (Saclay) ; Cure, Benoit (CERN) ; Dudarev, Alexey (CERN) ; Gaddi, Andrea (CERN) ; Gerwig, Hubert (CERN) ; Ilardi, Veronica (Twente U., Enschede ; CERN) ; Klyukhin, Vyacheslav (Lomonosov Moscow State U. ; CERN) ; Kulenkampff, Tobias K D (CERN ; TU Vienna) ; Mentink, Matthias (CERN) et al.
In early 2014 a design study started at CERN for a Future Circular Collider. A new tunnel with a circumference of about 100 km for the collider magnets is foreseen as well as new general-purpose particle detectors to probe electron-positron (e$^-$e$^+$), electron-hadron (eh), and hadron-hadron (hh) collisions, housed in large underground caverns. [...]
2019 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 29 (2019) 4500305
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Using the Standard Linear Ramps of the CMS Superconducting Magnet for Measuring the Magnetic Flux Density in the Steel Flux Return Yoke
/ Klyukhin, Vyacheslav (SINP, Moscow ; CERN) ; Curé, Benoit (CERN) ; Amapane, Nicola (INFN, Turin) ; Ball, Austin (CERN) ; Gaddi, Andrea (CERN) ; Gerwig, Hubert (CERN) ; Herve, Alain (Wisconsin U., Madison) ; Loveless, Richard (Wisconsin U., Madison) ; Mulders, Martijn (CERN)
The principal difficulty in large magnetic systems having an extensive flux return yoke is to characterize the magnetic flux distribution in the yoke steel blocks. Continuous measurements of the magnetic flux density in the return yoke are not possible and the usual practice uses software modelling of the magnetic system with special three-dimensional (3-D) computer programs. [...]
arXiv:2201.07557; CMS-CR-2018-121; Report-no: CMS CR-2018/121.-
Geneva : CERN, 2018-09-26 - 4 p.
- Published in : IEEE Trans. Magn. 55 (2018) 8300504
Fulltext: CR2018_121 - PDF; 2201.07557 - PDF; Fulltext from publisher: PDF;
In : International Conference on Magnetism, San Francisco, CA, 15-20 Jul 2018
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Design of the Optional Forward Superconducting Dipole Magnet for the FCC-hh Detector
/ Bielert, Erwin R (CERN) ; Berriaud, Christophe (Saclay) ; Cure, Benoit (CERN) ; Dudarev, Alexey (CERN) ; Gaddi, Andrea (CERN) ; Gerwig, Hubert (CERN) ; Ilardi, Veronica (Twente U., Enschede ; CERN) ; ten Kate, Herman H J (CERN) ; Klyukhin, Vyacheslav I (SINP, Moscow ; CERN) ; Kulenkampff, Tobias K D (TU Vienna ; CERN) et al.
A 4-T, 10-m free bore and 20-m long central solenoid is proposed as the main magnet in the baseline detector for the future circular collider (FCC) hadron–hadron collisions physics program. Besides the 4-T axial magnetic field around the interaction point in the center of the main solenoid, additionally, magnetic field is required in the forward directions. [...]
2018 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 28 (2018) 4500204
In : 13th European Conference on Applied Superconductivity, ICCG, Geneva, Switzerland, 17 - 21 Sep 2017, pp.4500204
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What is the best displacement transducer for a seismic sensor?
/ Novotny, Peter (CERN ; Savoie U. (main)) ; Aimard, Benjamin (Annecy, LAPP) ; Balik, Gael (Annecy, LAPP) ; Brunetti, Laurent (Annecy, LAPP) ; Caron, Bernard (Savoie U. (main)) ; Gaddi, Andrea (CERN)
This paper presents a development of a seismic sensor for the future Compact Linear Collider (CLIC). Sensor in which three different types of sub-nanometre displacement transducers have been integrated: a Fabry-Pérot interferometer, an optical encoder and a capacitive transducer. [...]
2017 - 4 p.
- Published in : 10.1109/ISISS.2017.7935672
In : 4th IEEE International Symposium on Inertial Sensors & Systems, Kauai, Hawai, USA, 27 - 30 Mar 2017, pp.121-124
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Evaluation of the effects of mechanical cycles on bonding of Al-superconducting cable in high-performance stabilized NbTi conductor
/ Curreli, Sebi (INFN, Genoa) ; Calvelli, Valerio (INFN, Genoa) ; Fabbricatore, Pasquale (INFN, Genoa) ; Musenich, Riccardo (INFN, Genoa) ; Burioli, Sergio (INFN, Genoa) ; Curè, Benoit (CERN) ; Gaddi, Andrea (CERN) ; Mayri, Christophe (IRFU, Saclay)
The compact muon solenoid (CMS) solenoid is presently the superconducting magnet with the highest stored energy (about 2.6 GJ) and one with the highest energy/mass ratio (11.3 kJ/kg). The latter is directly related with the mechanical deformation of the conductor under the action of the magnetic force, inducing a strain as high as 0.15%, close to the elastic limit of materials. [...]
2016 - 4 p.
- Published in : IEEE Trans. Appl. Supercond. 27 (2016) 4802004
In : Applied Superconductivity Conference, Denver, CO, USA, 4 - 9 Sep 2016, pp.4802004
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Optimising Machine-Experiment Interventions in HL-LHC
/ Sanchez Galan, Francisco (CERN) ; Adorisio, Cristina (CERN) ; Bergstrom, Ida (CERN) ; Brethoux, Damien (CERN) ; Evrard, Sebastien (CERN) ; Gaddi, Andrea (CERN) ; Krzkempek, Lukasz (CERN) ; Lazzaroni, Michael (CERN) ; Perez Espinos, Jaime (CERN) ; Raymond, Michel (CERN) et al.
The luminosity reach of the HL-LHC experiments implies new constraints for the protection of the inner triplets from the machine debris. In general activation levels will increase a factor of 15-30 from the 2015 values (LS1), affecting both radiation tolerance of equipment and maintenance scenarios. [...]
CERN-ACC-2017-193.-
2017 - 4 p.
- Published in : 10.18429/JACoW-IPAC2017-WEPVA114
Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.WEPVA114
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