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CERN Accelerating science

CERN Published Articles

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2024-05-03
10:50
Chapter 6.2: CERN: A Global Hub for Materials Science / Charitos, Panagiotis (CERN) ; Lecoq, Paul (CERN) ; Benvenuti, Cristoforo (CERN) ; Bottura, Luca (CERN)
The following sections are included: Introduction, HEP and the Development of Scintillating Crystals, Development of Radiation-Tolerant Silicon Detectors for HEP, Selection and Surface Treatment of Materials for Use in the Vacuum of Particle Accelerators, Superconducting Materials for Accelerators and Detectors, References
2024
In : Between science and industry, pp.581-653

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2024-05-03
06:29
Copper Surface Treatment with deep UV Ultrafast Laser for Improved Photocathode Photoemissive Properties / Groussin, B (CERN) ; Martinez Calderon, M (CERN) ; Marsh, B (CERN) ; Rossel, R (CERN) ; Granados, E (CERN)
Surface nanostructuring is a promising approach when it comes to improving the quantum efficiency (QE) of materials for electron accelerator purposes at CERN. This is due to the plasmonic effect taking place in metallic materials at the nanoscale, when an electromagnetic wave interacts with a sub-wavelength feature. [...]
2024 - 6 p. - Published in : J. Phys. : Conf. Ser.: 2687 (2024) , no. 3, pp. 032032
- Published in : JACoW IPAC: 2023 (2023) , pp. TUPA001 Fulltext: PublicationJACoW - PDF; PublicationIOP - PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.032032

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2024-05-03
06:29
Cherenkov diffraction radiation dielectric button characterization via a slab-line / Pakuza, C (Oxford U.) ; Wendt, M (CERN)
The generation of Cherenkov diffraction radiation when a charged particle beam passes in close proximity to a dielectric target is being studied and developed for various non-invasive beam instrumentation applications. One such instrument is a beam position monitor (BPM) composed of four cylindrical dielectric inserts. [...]
2024 - 6 p. - Published in : J. Phys. : Conf. Ser.: 2687 (2024) , no. 7, pp. 072010
- Published in : JACoW IPAC: 2023 (2023) , pp. THPL084 Fulltext: PublicationJACoW - PDF; PublicationIOP - PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.072010

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2024-05-02
07:42
Software architecture of FGC4, CERN’s next-generation power converter control platform / Cejp, Martin (CERN) ; Zielinski, Dariusz (CERN) ; Murillo-Garcia, Raul (CERN)
The Function Generator/Controller is CERN’s flagship controls platform for electrical power converters. Despite a proven track record, the current generation (FGC3) begins to show its age through performance limitations and component obsolescence. [...]
2023 - Published in : JACoW IPAC 2023 (2023) WEPM080 Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.WEPM080

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2024-05-02
06:01
Quantitative availability modelling for the MYRRHA accelerator driven system / Felsberger, L (CERN) ; Uythoven, J (CERN) ; Apollonio, A (CERN) ; Dorda, U (SCK-CEN, Mol) ; van de Walle, J (SCK-CEN, Mol) ; Vandeplassche, D (SCK-CEN, Mol)
The availability of modern accelerators has become a key performance indicator. This is especially the case for accelerator-driven-systems (ADS), such as MYRRHA, which need to deliver beam with very few interruptions longer than a few seconds over a period of several months. [...]
2023 - Published in : JACoW IPAC 2023 (2023) THPM105 Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.THPM105

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2024-04-30
05:12
Electrical/piezoresistive effects in bent Alpide MAPS / Rossewij, M.J. ; Okkinga, E.M. ; Naqvi, H.M. ; Barthel, R.G.E. ; Alving, S.R. /ALICE Collaboration
The ITS3 upgrade baseline design employs MAPS (Monolithic Active Pixel Sensor) in bent state. Bending experiments with the existing ITS2 MAPS (=Alpide chip) show it remains functional but with relative large analog supply current changes. [...]
arXiv:2403.12298.- 2024-04-24 - 9 p. - Published in : JINST 19 (2024) C04057 Fulltext: PDF;

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2024-04-27
07:20
Mechanical stress analysis during a quench in CLIQ protected 16 T dipole magnets designed for the future circular collider / Zhao, Junjie (Lanzhou U.) ; Prioli, Marco (CERN) ; Stenvall, Antti (Tampere U. of Tech.) ; Salmi, Tiina (Tampere U. of Tech.) ; Gao, Yuanwen (Lanzhou U.) ; Caiffi, Barbara (INFN, Genoa) ; Lorin, Clement (Saclay) ; Marinozzi, Vittorio (Milan Bicocca U. ; INFN, Milan) ; Farinon, Stefania (INFN, Genoa) ; Sorbi, Massimo (Milan Bicocca U. ; INFN, Milan)
Protecting the magnets in case of a quench is a challenge for the 16 T superconducting dipole magnets presently designed for the 100 TeV: Future Circular Collider (FCC). These magnets are driven to the foreseen technological limits in terms of critical current, mechanical strength and quench protection. [...]
2018 - 8 p. - Published in : Physica C 550 (2018) 27-34

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2024-04-27
07:20
Strong evidence for the discovery of a gravitational wave background / Caprini, Chiara (CERN ; Geneva U.)
In 2023, pulsar timing arrays announced what could become the first ever discovery of a stochastic gravitational wave background: the random superposition of gravitational waves permeating the cosmos — a vestige of cosmic processes in the Universe. Upcoming datasets are expected to confirm the discovery and provide insight into the origin of this signal..
2024 - 3 p. - Published in : 10.1038/s42254-024-00711-6

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2024-04-27
07:20
Neutrino masses and SO10 unification / Minkowski, P (Bern U. ; CERN)
We present the embedding of the SM gauge group in SO10, a simple, compact unifying gauge group, with each of the three basic spin 1/2 families forming a unitary, irreducible 16-dimensional representation of spin10, which is complex, i.e. chiral. [...]
2015 - 20 p. - Published in : Int. J. Mod. Phys. A 30 (2015) 1530043

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2024-04-26
05:41
Fast-switching magnet serving a spallation-driven ultracold neutron source / Ahmed, S. (Manitoba U.) ; Altiere, E. (U. British Columbia (main)) ; Andalib, T. (Manitoba U.) ; Barnes, M.J. (CERN) ; Bell, B. (TRIUMF ; McGill U., Montreal (main)) ; Bidinosti, C.P. (Winnipeg U. ; Manitoba U.) ; Bylinsky, Y. (TRIUMF) ; Chak, J. (TRIUMF) ; Das, M. (Manitoba U.) ; Davis, C.A. (TRIUMF) et al.
A fast-switching, high-repetition-rate magnet and power supply have been developed for and operated at TRIUMF, to deliver a proton beam to the new ultracold neutron (UCN) facility. The facility possesses unique operational requirements: a time-averaged beam current of 40~$\mu$A with the ability to switch the beam on or off for several minutes. [...]
arXiv:1905.08857.- 2019-10-12 - 16 p. - Published in : Phys. Rev. Accel. Beams 22 (2019) 102401 Fulltext: PDF; Fulltext from Publisher: PDF;

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