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CERN Document Server 2,045 records found  1 - 10nextend  jump to record: Search took 0.27 seconds. 
1.
(100)
Modeling of beam loss induced quenches in the LHC main dipole magnets / Breschi, Marco (U. Bologna (main)) ; Felcini, Enrico (CERN) ; Breccia, Francesca (U. Bologna (main)) ; Granieri, P P (CERN) ; Bergonzoni, Eleonora (U. Bologna (main)) ; Bevilacqua, Alessandro (U. Bologna (main)) ; Galassi, Pietro (U. Bologna (main)) ; Winkler, Tiemo (Twente U., Enschede) ; Bottura, Luca (CERN)
The full energy exploitation of the Large Hadron Collider (LHC), a planned increase of the beam energy beyond the present 6.5 TeV, will result in more demanding working conditions for the superconducting dipoles and quadrupoles operating in the machine. It is hence crucial to analyze, understand, and predict the quench levels of these magnets for the required values of current and generated magnetic fields. [...]
2019 - 7 p. - Published in : IEEE Trans. Appl. Supercond. 29 (2019) 4004407
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2.
(91)
Analysis of Beam-Induced Quenches of the LHC Cables With a Multi-Strand Model / Breschi, Marco (Bologna U.) ; Bevilacqua, Andrea (Bologna U. ; CERN) ; Bottura, L (CERN) ; Granieri, Pier Paolo (KIT, Karlsruhe, TP)
In this paper we discuss results of a one-dimensional numerical model to simulate electrical and thermal transients in the superconducting cables for the LHC machine, with specific reference to the analysis of quench due to the heat released by beam losses. Two models have been developed, one based on the analysis of the behavior of a single strand, whereas the other accounts for all the strands in the multi-strand cable. [...]
2015 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 25 (2015) 4700405
In : Applied Superconductivity Conference 2014, Charlotte, NC, USA, 10 - 15 Aug 2014, pp.4700405
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3.
(73)
Quench Level of the HL-LHC $Nb_3Sn$ IR Quadrupoles / Breschi, Marco (Bologna U.) ; Felcini, Enrico (Bologna U.) ; Bottura, Luca (CERN)
The scope of the Large Hadron Collider Hi-Lumi Project at CERN includes the installation of several superconducting magnets wound with $Nb_3Sn$ Rutherford cables. The quench level of these magnets (i.e. [...]
2017 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 27 (2017) 4002105
In : Applied Superconductivity Conference, Denver, CO, USA, 4 - 9 Sep 2016, pp.4002105
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4.
(42)
Experimental and numerical analysis of interfilament resistances in NbTi strands / Breschi, M (U. Bologna (main)) ; Massimini, M (U. Bologna (main)) ; Ribani, P L (U. Bologna (main)) ; Spina, T (CERN) ; Corato, V (U. Bologna (main))
Superconducting strands are composite wires made of fine superconducting filaments embedded in a metallic matrix. The transverse resistivity among superconducting filaments affects the coupling losses during electromagnetic transients and the electro-thermal behavior of the wire in case of a quench. [...]
2014 - Published in : Supercond. Sci. Technol. 27 (2014) 055021
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5.
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Stability modeling of the LHC Nb-Ti Rutherford cables subjected to beam losses / Bottura, L (CERN) ; Breschi, M (Bologna U.) ; Felcini, E (CERN) ; Lechner, A (CERN)
The Large Hadron Collider (LHC) at CERN is being prepared for its full energy exploitation during run III, i.e., an increase of the beam energy beyond the present 6.5 TeV, targeting the maximum discovery potential attainable. This requires an increase of the operating field of the superconducting dipole and quadrupole magnets, which in turn will result in more demanding working conditions due to a reduction of the operating margin while the energy deposited by particle loss will increase. [...]
2019 - 10 p. - Published in : Phys. Rev. Accel. Beams 22 (2019) 041002 Fulltext from Publisher: PDF;
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6.
(40)
Testing beam-induced quench levels of LHC superconducting magnets / Auchmann, B. (CERN) ; Baer, T. (CERN) ; Bednarek, M. (CERN) ; Bellodi, G. (CERN) ; Bracco, C. (CERN) ; Bruce, R. (CERN ; CERN ; CERN) ; Cerutti, F. (CERN ; CERN ; CERN) ; Chetvertkova, V. (CERN ; Darmstadt, GSI ; Frankfurt U. ; Darmstadt, GSI ; Frankfurt U.) ; Dehning, B. (CERN ; CERN ; CERN) ; Granieri, P.P. (CERN ; CERN ; CERN) et al.
In the years 2009-2013 the Large Hadron Collider (LHC) has been operated with the top beam energies of 3.5 TeV and 4 TeV per proton (from 2012) instead of the nominal 7 TeV. The currents in the superconducting magnets were reduced accordingly. [...]
arXiv:1502.05261.- 2015-06-25 - 21 p. - Published in : Phys. Rev. Spec. Top. Accel. Beams 18 (2015) 061002 APS Open Access article: PDF; Preprint: PDF; External link: Preprint
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7.
(40)
Simulation of Point Beam Losses in LHC Superconducting Magnets / Spickermann, T (CERN) ; Wittenburg, K (DESY, Hamburg, Germany)
LHC-Project-Note-124.- Geneva : CERN, 1997 Fulltext: PDF;
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8.
(31)
Radiation heating in superconducting magnets and proton beam-loss limitations during acceleration / Maslov, M A (Serpukhov, IHEP) ; Mokhov, N V (Serpukhov, IHEP)
1980 - Published in : Part. Accel.: 11 (1980) , pp. 91-102 Fulltext: PDF;
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9.
(31)
Analysis of the Stability Margin of the High Luminosity LHC Superconducting Cables with a Multi-Strand Model / Felcini, Enrico
At CERN (European Organization for Nuclear Research), between 1998 and 2008, the world’s largest and most powerful particle collider has been built [...]
CERN-THESIS-2016-081 - 96 p.

Fulltext
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10.
(29)
Problems arising from beam losses in superconducting colliders
CERN-LHC-Note-113 ; CERN-SPS-EMA-Internal-Note-89-13 - 1989 - 20.
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