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CERN Document Server Znaleziono 53 rekordów  1 - 10następnykoniec  skocz do rekordu: Szukanie trwało 0.69 sekund. 
1.
Performance of the Low Energy Ion Ring at CERN with lead ions in 2022 / Alemany-Fernandez, Reyes (CERN) ; Frassier, Alexandre (CERN) ; Rey, Anthony (CERN) ; Wetton, Chris (CERN) ; Mutin, Christophe (CERN) ; Gamba, Davide (CERN) ; Bodart, Dominique (CERN) ; Carlier, Felix (CERN) ; Velotti, Francesco (CERN) ; Le Godec, Gilles (CERN) et al.
2022 has been a performance consolidation year for the Low Energy Ion Ring (LEIR) at CERN that demonstrated its capability of delivering the target beam parameters required for high luminosity production in the LHC in a reproducible and reliable way. The main steps that have led to the high performance reach of this beam, together with the machine stability improvements deployed, are detailed in this paper..
2023 - 4 p. - Published in : JACoW IPAC 2023 (2023) TUPA151 Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.TUPA151
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2.
Fifteen Years of Operation of the Compact Muon Solenoid Detector Superconducting Magnet / Curé, Benoit (CERN) ; Le Godec, Gilles (CERN) ; Ostrega, Maciej (CERN) ; Wagner, Udo (CERN)
The Compact Muon Solenoid (CMS) detector magnet has been in operation since 2008 at CERN's Large Hadron Collider (LHC). It will have to operate until the end of the High-Luminosity LHC run, beyond 2040. [...]
2024 - 8 p. - Published in : IEEE Trans. Appl. Supercond. 34 (2024) 1-8 Fulltext: PDF;
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3.
Performance of the Low Energy Ion Ring at CERN with Lead Ions in 2022 / Alemany Fernandez, Reyes (CERN) ; Albright, Simon (CERN) ; Angoletta, Maria Elena (CERN) ; Bellodi, Giulia (CERN) ; Biancacci, Nicolo (CERN) ; Bodart, Dominique (CERN) ; Bozzolan, Michele (CERN) ; Carlier, Felix Simon (CERN) ; Meruga, Phani Deep (Sapienza Universita e INFN, Roma I (IT)) ; Dolenc, Miha (CERN) et al.
2022 was a performance consolidation year for the Low Energy Ion Ring (LEIR) at CERN that demonstrated its capability of delivering the target beam parameters required for high luminosity production in the LHC in a reproducible and reliable way. [...]
CERN-ACC-NOTE-2023-0017. - 2023.
Full text
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4.
Linac3, LEIR and PS Performance with Ions in 2021 and Prospects for 2022 / Biancacci, Nicolo (CERN) ; Albright, Simon (CERN) ; Alemany-Fernández, Reyes (CERN) ; Alves, Diogo (CERN) ; Angoletta, Maria Elena (CERN) ; Barrientos, Diego (CERN) ; Bartosik, Hannes (CERN) ; Bellodi, Giulia (CERN) ; Bertolo, Sebastien (CERN) ; Bodart, Dominique (CERN) et al.
CERN accelerators underwent a period of long shutdown from the end of 2018 to 2020. During this time frame, significant hardware and software upgrades have been put in place to increase the performance of both proton and ion accelerator chains in the High Luminosity LHC era. [...]
2022 - 4 p. - Published in : JACoW IPAC 2022 (2022) 1983-1986 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.1983-1986
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5.
Recent Experience from the Large-Scale Deployment of Power Converters with Magnet Energy Recovery / Papastergiou, Konstantinos (CERN) ; Le Godec, Gilles (CERN) ; Montabonnet, Valerie (CERN)
A new powering solution was deployed at CERN for transfer lines in the injector complex as part of the LHC injectors upgrade. The new powering uses regenerative power converters to recycle the magnet energy between physics operations. [...]
2022 - 4 p. - Published in : JACoW IPAC 2022 (2022) 2809-2812 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.2809-2812
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6.
SIGRUM - A SUPERCONDUCTING ION GANTRY WITH RIBONI’S UNCONVENTIONAL MECHANICS / Amaldi, Ugo (TERA Foundation (IT)) ; Alharbi, Nader (TERA Foundation (IT)) ; Benedetto, Elena (SEEIIST Association (CH)) ; Riboni, Pierluigi (TERA Foundation (IT)) ; Vaziri, Mohammad (TERA Foundation) ; Aguglia, Davide (CERN) ; Ferrentino, Vittorio (Universita e sezione INFN di Napoli (IT)) ; Le Godec, Gilles (CERN) ; Karppinen, Mikko (CERN) ; Perini, Diego (CERN) et al.
This report describes the conceptual design of a 430 MeV/u carbon ion gantry that is based on superconducting (SC) magnets and features a novel mechanical support [...]
CERN-ACC-NOTE-2021-0014 ; NIMMS-Note-002. - 2021. - 34 p.
Full text
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7.
On $V_{ce}$ Method: In Situ Temperature Estimation and Aging Detection of High-Current IGBT Modules Used in Magnet Power Supplies for Particle Accelerators / Asimakopoulos, Panagiotis (CERN ; Chalmers U. Tech.) ; Papastergiou, Konstantinos (CERN) ; Thiringer, Torbjorn (Chalmers U. Tech.) ; Bongiorno, Massimo (Chalmers U. Tech.) ; Le Godec, Gilles (CERN)
Magnet power supplies used in particle accelerators are a specialized application of power electronics that require long lifetime operation with no unscheduled interruptions and high output current precision. In this paper, the $V_{ce}$ method with sensing current is considered for the estimation of the junction temperature and the aging detection of high-current insulated gate bipolar transistor (IGBT) modules used in this specialized application. [...]
2019 - 10 p. - Published in : IEEE Transactions on Industrial Electronics 66 (2019) 551-560
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8.
IGBT Power Stack Integrity Assessment Method for High-Power Magnet Supplies / Asimakopoulos, Panagiotis (CERN) ; Papastergiou, Konstantinos (CERN) ; Thiringer, Torbjorn (Chalmers U. Tech.) ; Bongiorno, Massimo (Chalmers U. Tech.) ; Le Godec, Gilles (CERN)
This paper proposes a method for assessing the integrity of a series of insulated-gate bipolar transistor (IGBT) power stacks during factory-acceptance tests and service stops. The key challenge that is addressed in this paper is detecting common assembly issues that affect the power stack thermal path as well as distinguishing the acute aging effects of bond-wire lift-off and solder delamination. [...]
2019 - 13 p. - Published in : IEEE Trans. Power Electron. 34 (2019) 11228-11240 Fulltext: PDF;
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9.
The New 20 kA 80 V Power Supply for the 520 MeV H$^-$ Cyclotron at TRIUMF / Carrozza, Saverino (OCEM, Bologna) ; Bastos, Miguel (CERN) ; Bondesan, Luca (OCEM, Bologna) ; Burnet, Jean-Paul (CERN) ; Bylinski, Yu (TRIUMF) ; Hudson, Gregory (CERN) ; King, Quentin (CERN) ; Le Godec, Gilles (CERN) ; Leung, Arthur (TRIUMF) ; Louie, Dan (TRIUMF) et al.
The new 20 kA, 80 V power supply for the main magnet of the 520 MeV H⁻ Cyclotron at TRIUMF was awarded to OCEM. It has replaced the original system (commissioned in 1976) based on a series pass regulator. [...]
2018 - 4 p. - Published in : 10.18429/JACoW-IPAC2018-THPAL062 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.THPAL062
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10.
A 600 kW power supply for particle accelerators insensitive to electrical network perturbations / Josifovic, I (CERN) ; Bastos, M C (CERN) ; Le Godec, G (CERN) ; Burnet, J P (CERN) ; Romera, I (CERN) ; Zerlauth, M (CERN) ; Werner, M (DESY)
The papers presents implementation of a 600 kW DC power converter resistant to electrical network perturbations on an 18 kV electrical network feeding the input of the power converter. The manuscript describes experimental assessment of converter output performance during both nominal electrical network conditions and transient grid voltage dips..
2017 - 10 p. - Published in : 10.23919/EPE17ECCEEurope.2017.8099278
In : 19th European Conference on Power Electronics and Applications, Warsaw, Poland, 11 - 14 Sep 2017, pp.8099278
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