1.
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Energy deposition simulations for a damage experiment with superconducting sample coils
/ Abusaif, F (KIT, Karlsruhe) ; Bernhard, A (KIT, Karlsruhe) ; Gancarcik, D (CERN ; KIT, Karlsruhe) ; Glamann, N (KIT, Karlsruhe) ; Gnacadja, E (U. Brussels (main)) ; Grau, A (KIT, Karlsruhe) ; Hernalsteens, C (CERN) ; Jauregui, D (KIT, Karlsruhe) ; Müller, A S (KIT, Karlsruhe) ; Pauwels, L (U. Brussels (main)) et al.
An experiment to study damage caused by the impact of 440 GeV/c protons on sample superconducting racetrack coils made from NbTi and Nb3Sn strands was recently carried out at CERN's HiRadMat facility. This paper reports on the detailed Monte Carlo simulations performed with FLUKA and Geant4 to evaluate the energy deposition of the 440 GeV/c proton beam on the sample coils positioned in the experimental setup. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) WEPM058
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.WEPM058
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2.
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Damage experiment with superconducting sample coils - experimental setup and observations during beam impact
/ Gancarcik, D (CERN ; KIT, Karlsruhe) ; Abusaif, F (KIT, Karlsruhe) ; Bordini, B (CERN) ; Bernhard, A (KIT, Karlsruhe) ; Bonura, M (Geneva U.) ; Favre, M (CERN) ; Glamann, N (KIT, Karlsruhe) ; Grau, A (KIT, Karlsruhe) ; Hernalsteens, C (CERN) ; de Jauregui, D Saez (KIT, Karlsruhe) et al.
The damage mechanisms and limits of superconducting accelerator magnets caused by the impact of high-intensity particle beams have been the subject of extensive studies at CERN in the recent years. Recently, an experiment with dedicated racetrack coils made of Nb-Ti and Nb$_3$Sn strands was performed in CERN’s HiRadMat facility. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) WEPM059
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.WEPM059
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3.
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Investigations on NbTi superconducting racetrack coils under pulsed-current excitations
/ Abusaif, F (KIT, Karlsruhe) ; Bernhard, A (KIT, Karlsruhe) ; Bründermann, E (KIT, Karlsruhe) ; Gancarcik, D (KIT, Karlsruhe ; CERN) ; Glamann, N (KIT, Karlsruhe) ; Grau, A (KIT, Karlsruhe) ; Saez de Jauregui, D (KIT, Karlsruhe) ; Müller, A-S (KIT, Karlsruhe)
One of the key issues in the technology of superconductors is the protection against quenches. When designing a superconductor as a magnet, a coil or even current leads, the design should be made such that the superconductor withstands all operational conditions as fast discharges, pulsed loads or even rapid transient background fields.Computational modeling of pulsed-current characterization in a self-field NbTi racetrack sample coil has been performed using the finite element modelling software Opera as a step towards understanding the thermal and electromagnetic processes during a quench. [...]
2024 - 7 p.
- Published in : J. Phys. : Conf. Ser.: 2687 (2024) , no. 8, pp. 082015
- Published in : JACoW IPAC: 2023 (2023) , pp. WEPM070
Fulltext: PublicationJACoW - PDF; PublicationIOP - PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.082015
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4.
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Beam impact experiment of 440 GeV/p protons on superconducting wires and tapes in a cryogenic environment
/ Will, Andreas (KIT, Karlsruhe ; CERN) ; Bastian, Yan (CERN) ; Bernhard, Axel (KIT, Karlsruhe) ; Bonura, Marco (U. Geneva (main)) ; Bordini, Bernardo (CERN) ; Bortot, Lorenzo (CERN) ; Favre, Mathieu (CERN) ; Lindstrom, Bjorn (CERN) ; Mentink, Matthijs (CERN) ; Monteuuis, Arnaud (CERN) et al.
The superconducting magnets used in high energy particle accelerators such as CERN’s LHC can be impacted by the circulating beam in case of specific failure cases. This leads to interaction of the beam particles with the magnet components, like the superconducting coils, directly or via secondary particle showers. [...]
CERN-ACC-2019-266.-
2019 - 4 p.
- Published in : 10.18429/JACoW-IPAC2019-THPTS066
Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.THPTS066
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5.
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Impact of 440 GeV Proton beams on Superconductors in a Cryogenic Environment
/ Will, A (CERN ; KIT, Karlsruhe, IPE) ; Bernhard, A (KIT, Karlsruhe, IPE) ; Bonura, M (Geneva U.) ; Bordini, B (CERN) ; Mentink, M (CERN) ; Mueller, A S (KIT, Karlsruhe, IPE) ; Oslandsbotn, A (CERN) ; Schmidt, R (CERN) ; Schubert, J (CERN) ; Senatore, C (CERN ; Geneva U.) et al.
The superconducting magnets used in high energy particle accelerators such as CERN’s LHC can be impacted by the circulating beam in case of specific failures. This leads to interaction of the beam particles with the magnet components, like the superconducting coils, through direct beam impact or via secondary particle showers. [...]
IOP, 2020 - 10 p.
- Published in : J. Phys.: Conf. Ser. 1559 (2020) 012060
Published fulltext: PDF;
In : 14th European Conference on Applied Superconductivity, Glasgow, United Kingdom, 1 - 5 Sep 2019, pp.012060
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6.
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Impact of flux jumps on high-precision powering of Nb$_3$Sn superconducting magnets
/ Martino, Michele (CERN) ; Arpaia, Pasquale (CERN ; U. Naples (main)) ; Ierardi, Stefano (CERN ; U. Naples (main))
Nb$_3$Sn superconducting magnets represent a technology enabler for future high-energy particle accelerators. A possible impediment, though, comes from flux jumps that, so far, could not be avoided by design unlike for NbTi technology. [...]
CERN-ACC-2019-187.-
2019 - 7 p.
- Published in : (2019) , pp. TUPMP040
- Published in : Eur. Phys. J., C: 1350 (2019) , pp. 012180
Fulltext: PDF; Preprint: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.TUPMP040
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7.
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Monte carlo simulations of the n_TOF lead spallation target with the Geant4 toolkit: A benchmark study
/ Lerendegui-Marco, J (Seville U.) ; Cortés-Giraldo, M A (Seville U.) ; Guerrero, C (Seville U.) ; Quesada, J M (Seville U.) ; Lo Meo, S (ENEA, Bologna ; INFN, Bologna) ; Massimi, C (INFN, Bologna ; Bologna U.) ; Barbagallo, M (INFN, Bari) ; Colonna, N (INFN, Bari) ; Mancussi, D (IRFU, Saclay) ; Mingrone, F (CERN) et al.
/n_TOF
Monte Carlo (MC) simulations are an essential tool to determine fundamental features of a neutron beam, such as the neutron flux or the γ-ray background, that sometimes can not be measured or at least not in every position or energy range. Until recently, the most widely used MC codes in this field had been MCNPX and FLUKA. [...]
2017 - 4 p.
- Published in : EPJ Web Conf. 146 (2017) 03030
Fulltext: PDF; External link: Fulltext
In : ND 2016 International Conference on Nuclear Data for Science and Technology, Bruges, Belgium, 11 - 16 Sep 2016, pp.03030
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8.
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Simulation of radiation environments
/ Alici, A (Queen Mary, U. of London (main)) ; Azhgirey, I (Serpukhov, IHEP) ; Dawson, I (Queen Mary, U. of London (main)) ; Huhtinen, M (CERN) ; Ivantchenko, V (Tomsk State U.) ; Kar, D (Witwatersrand U.) ; Karacson, M (CERN) ; Mallows, S (KIT, Karlsruhe) ; Manousos, T (CERN) ; Mandić, I (Stefan Inst., Ljubljana) et al.
Simulating radiation environments is crucial in the design phase of new hadron collider experiments or upgrades, especially when extrapolating to new centre of mass collision energies where previous experience cannot be relied on. The generation of radiation fields in the LHC experiments is dominated by proton–proton collisions, with contributions from beam-gas interactions and other machine losses. [...]
2021 - 24 p.
- Published in : 10.23731/CYRM-2021-001.35
Fulltext: PDF;
In : Radiation effects in the LHC experiments: Impact on detector performance and operation, pp.35-58
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9.
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Benchmarking LHC background particle simulation with the CMS triple-GEM detector
/ CMS Collaboration
An estimate of environmental background hit rate on triple-GEM chambers is performed using Monte Carlo (MC) simulation and compared to data taken by test chambers installed in the CMS experiment (GE1/1) during Run-2 at the Large Hadron Collider (LHC). The hit rate is measured using data collected with proton-proton collisions at 13 TeV and a luminosity of 1.5$\times10^{34}$ cm$^{-2}$ s$^{-1}$. [...]
arXiv:2107.03621.-
2021-12-16 - 19 p.
- Published in : JINST 16 (2021) P12026
Fulltext: 2107.03621 - PDF; document - PDF;
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10.
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Status and Powering Test Results of HTS Undulator Coils at 77 K for Compact FEL Designs
/ Richter, Sebastian (CERN ; KIT, Karlsruhe, EKP) ; Ballarino, Amalia (CERN) ; Bernhard, Axel (KIT, Karlsruhe, EKP) ; Müller, Anke-Susanne (KIT, Karlsruhe, EKP) ; Nes, Thomas (CERN) ; Schoerling, Daniel (CERN)
The production of low emittance positron beams for future linear and circular lepton colliders, like CLIC or FCC-ee, requires high-field damping wigglers. Just as compact free-electron lasers (FELs) require high-field but as well short-period undulators to emit high energetic, coherent photons. [...]
2022 - 4 p.
- Published in : JACoW IPAC 2022 (2022) 2726-2729
Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.2726-2729
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