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1.
CERN Yellow Report Front Cover High-Luminosity Large Hadron Collider (HL-LHC): Technical design report / Aberle, O. ; Béjar Alonso, I (ed.) ; Brüning, O (ed.) ; Fessia, P (ed.) ; Rossi, L (ed.) ; Tavian, L (ed.) ; Zerlauth, M (ed.)
The Large Hadron Collider (LHC) is one of the largest scientific instruments ever built [...]
CERN-2020-010. - Geneva : CERN, 2020. - 390 p. (CERN Yellow Reports: Monographs ; 10/2020)


ebook
2.
Frequency-Domain Diagnosis Methods for Quality Assessment of Nb$_{3}$Sn Coil Insulation Systems and Impedance Measurement / Foussat, Arnaud (CERN) ; Grand-Clement, Ludovic (CERN) ; Smekens, David (CERN) ; Pincot, Francois Olivier (CERN) ; Bortot, Lorenzo (CERN) ; Savary, Frederic (CERN)
In recent years, the superconducting Nb$_{3}$Sn cable material became the privileged mature candidate for the high-field magnets in new projects like high-luminosity LHC (HL-LHC) accelerator at CERN, Geneva, Switzerland. The technology in 2017-2021 needs to be deployed through an unprecedented magnet series production with dedicated online quality control. [...]
2018 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 28 (2018) 4003505
In : 25th International Conference on Magnet Technology, Amsterdam, The Netherlands, 27 Aug - 1 Sep 2017, pp.4003505
3.
Phased Array Ultrasonic Nondestructive Tests of Soldered Current-Carrying Bus-Bar Splices of Superconducting Magnets / Principe, Rosario (CERN) ; Vallejo, Louis Mora (CERN) ; Bailey, Jasper (West England U.) ; Berthet, Richard (AltéAd SA, Vernier) ; Favier, Ludovic (CERN) ; Grand-Clement, Ludovic (CERN) ; Savary, Frederic (CERN)
The main magnets of the Large Hadron Collider are powered by 13-kA superconducting bus-bars. The bus-bars from these magnets are electrically connected by the so-called splices, which are assembled by inductive soldering of the Rutherford-type cables and the copper profiles of the stabilizer. [...]
2018 - 8 p. - Published in : IEEE Trans. Appl. Supercond. 28 (2018) 9000708
In : 13th European Conference on Applied Superconductivity, ICCG, Geneva, Switzerland, 17 - 21 Sep 2017, pp.9000708
4.
Design and Construction of the Full-Length Prototype of the 11-T Dipole Magnet for the High Luminosity LHC Project at CERN / Savary, Frederic (CERN) ; Bordini, Bernardo (CERN) ; Fiscarelli, Lucio (CERN) ; Foussat, A P (CERN) ; Grand-Clement, Ludovic (CERN) ; Lackner, Friedrich (CERN) ; Loffler, C H (CERN) ; Semeraro, Michela (CERN) ; Smekens, David (CERN) ; Duarte Ramos, Delio (CERN) et al.
The luminosity upgrade of the Large Hadron Collider (LHC) at CERN requires the installation of additional collimators in the dispersion suppressor regions of the accelerator. The upgrade foresees the installation of one additional collimator on either side of interaction point 7 (IP7) at the location of the existing main dipoles (MBs) that will be replaced by shorter and more powerful dipoles, and of one additional collimator on either side of IP2 at the location of existing empty cryostats. [...]
2018 - 6 p. - Published in : IEEE Trans. Appl. Supercond. 28 (2018) 4007106
In : 25th International Conference on Magnet Technology, Amsterdam, The Netherlands, 27 Aug - 1 Sep 2017, pp.4007106
5.
Consolidation of the 13-kA Superconducting Magnet Circuits of the LHC at CERN / Lackner, F (CERN) ; Duret, M (CERN) ; Grand-Clement, L (CERN) ; Prin, H (CERN) ; Principe, R (CERN) ; Savary, F (CERN) ; Scheuerlein, C (CERN) ; Tock, J -Ph (CERN) ; Triquet, S (CERN) ; Verweij, A (CERN)
The first long shutdown (LS1) of the LHC machine at CERN started in February 2013. The main trigger for LS1 was the consolidation of the bus bar joints in the 13-kA superconducting magnet circuits. [...]
2015 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 25 (2015) 4802305
In : Applied Superconductivity Conference 2014, Charlotte, NC, USA, 10 - 15 Aug 2014, pp.4802305
6.
Performance of the cold powered diodes and diode leads in the main magnets of the LHC / Willering, G P (CERN) ; Giloux, C (CERN) ; Bajko, M (CERN) ; Bednarek, M (CERN) ; Bottura, L (CERN) ; Charifoulline, Z (CERN) ; Dahlerup-Petersen, K (CERN) ; Dib, G (CERN) ; D'Angelo, G (CERN) ; Gharib, A (CERN) et al.
During quench tests in 2011 variations in resistance of an order of magnitude were found in the diode by-pass circuit of the main LHC magnets. An investigation campaign was started to understand the source, the occurrence and the impact of the high resistances. [...]
2015 - Published in : IOP Conf. Ser. Mater. Sci. Eng. 101 (2015) 012076 IOP Open Access article: PDF;
In : Advances in Cryogenic Engineering: Cryogenic Engineering Conference, Tucson, AZ, USA, 28 Jun - 2 Jul 2015, pp.012076
7.
Contact Resistances in the Cold Bypass Diode Leads of the Main LHC Magnets / Roger, V (CERN) ; Bajko, M (CERN) ; Petersen, K (CERN) ; D'Angelo, G (CERN) ; Dib, G (CERN) ; Giloux, C (CERN) ; Grand-Clement, L (CERN) ; Izquierdo Bermudez, S (CERN) ; Prin, H (CERN) ; Savary, F (CERN) et al.
The main superconducting dipole and (de)focusing quadrupole magnets of the LHC are equipped with cold bypass diodes to assure the passage of the current outside the magnets in case of a magnet quench. Each magnet has a parallel bus bar circuit with a diode that is connected via resistive bolted connections. [...]
2014 - 4 p. - Published in : IEEE Trans. Appl. Supercond. 24 (2014) 4802504
In : 23rd International Conference on Magnet Technology, Boston, MA, USA, 14 - 19 Jul 2013, pp.4802504
8.
Performance review and reengineering of the protection diodes of the LHC main superconducting magnets / Savary, F (CERN) ; Bajko, M (CERN) ; Bednarek, M J (CERN) ; Dahlerup-Petersen, K (CERN) ; D'Angelo, G (CERN) ; Dib, G (CERN) ; Giloux, C (CERN) ; Grand-Clement, L (CERN) ; Izquierdo Bermudez, S (CERN) ; Moron-Ballester, R (CERN) et al.
The LHC main superconducting circuits are composed of up to 154 series-connected dipole magnets and 51 series-connected quadrupole magnets. These magnets operate at 1.9 K in superfluid helium at a nominal current of 11.85 kA. [...]
CERN-ACC-2014-0030.- Geneva : CERN, 2014 - 4 p. - Published in : IEEE Trans. Appl. Supercond. 24 (2013) 4701004 Fulltext: PDF;
In : 23rd International Conference on Magnet Technology, Boston, MA, USA, 14 - 19 Jul 2013, pp.4701004
9.
ELECTRO-THERMAL AND MECHANICAL VALIDATION EXPERIMENT ON THE LHC MAIN BUSBAR SPLICE CONSOLIDATION / Willering, GP (CERN) ; Bajko, M (CERN) ; Bourcey, N (CERN) ; Bottura, L (CERN) ; Charrondiere, M (CERN) ; Cerqueira Bastos, M (CERN) ; Deferne, G (CERN) ; Dib, G (CERN) ; Giloux, Chr (CERN) ; Grand-Clement, L (CERN) et al.
To eliminate the risk of thermal runaways in LHC interconnections a consolidation by placing shunts on the main bus bar interconnections is proposed by the Task Force Splices Consolidation. [...]
CERN-ATS-Note-2012-006 TECH.
- 2012. - 46 p.
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