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1.
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A Generic Real-Time Software in C++ for Digital Camera-Based Acquisition Systems at CERN
/ Topaloudis, Athanasios (CERN) ; Bravin, Enrico (CERN) ; Burger, Stephane (CERN) ; Jackson, Stephen (CERN) ; Mazzoni, Stefano (CERN) ; Poimenidou, Eirini (CERN) ; Senes, Eugenio (CERN)
Until recently, most of CERN’s beam visualisation systems have been based on increasingly obsolescent analogue cameras. Hence, there is an on-going campaign to replace old or install new digital equivalents. [...]
2023 - 6 p.
- Published in : JACoW ICALEPCS 2023 (2023) THPDP069
Fulltext: PDF;
In : 19th International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS 2023), Cape Town, South Africa, 7 - 13 Oct 2023, pp.THPDP069
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2.
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Review of CERN beam instrumentation for fixed target experiments
/ Roncarolo, Federico (CERN) ; Burger, Stephane (CERN) ; Guerrero, Ana (CERN) ; Lefevre, Thibaut (CERN) ; Levens, Thomas (CERN) ; Topaloudis, Athanasios (CERN) ; Trad, Georges (CERN) ; Velotti, Francesco (CERN)
Measuring beam parameters in the vicinity of fixed target experiments or interceptive devices like beam dumps is essential to ensure efficient fixed target physics and safe beam operation. At the same time the beam diagnostic reach is very often challenging in terms of robustness and performance. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) THPL080
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.THPL080
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3.
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Recent AWAKE Diagnostics Development and Operational Results
/ Senes, Eugenio (CERN) ; Burger, Stephane (CERN) ; Burrows, Philip (JAI, UK ; Oxford U.) ; Cooke, David (University Coll. London) ; Krupa, Michal (CERN) ; Lefèvre, Thibaut (CERN) ; Mazzoni, Stefano (CERN) ; Pakuza, Collette (Oxford U. ; JAI, UK) ; Poimenidou, Eirini (CERN) ; Topaloudis, Athanasios (CERN) et al.
The Advanced Wakefield Experiment (AWAKE) at CERN investigates the Plasma-Wakefield acceleration of electrons driven by a relativistic proton bunch. After successfully demonstrating the acceleration process in the AWAKE Run 1, the experiment has now started the Run 2. [...]
2022 - 4 p.
- Published in : JACoW IPAC 2022 (2022) 343-346
Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.343-346
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4.
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New CERN SPS Beam Dump Imaging System
/ Burger, Stephane (CERN) ; Bravin, Enrico (CERN) ; Roncarolo, Federico (CERN) ; Topaloudis, Athanasios (CERN) ; Velotti, Francesco (CERN) ; Veyrunes, Eric (CERN)
As part of the LHC injector Upgrade (LIU), the CERN SPS is now equipped with a new Beam Dumping System (SBDS) designed to cope with the high power beams foreseen for the High Luminosity LHC (HL-LHC) era. Before reaching the dump, the proton beam (from 26 to 450 GeV) is vertically kicked and then diluted passing through a series of horizontal and vertical bumps. [...]
JACoW, 2021 - 5 p.
- Published in : JACoW IBIC 2021 (2021) 254-258
Fulltext: PDF;
In : 10th International Beam Instrumentation Conference (IBIC 2021), Online, Korea, 13 - 17 Sep 2021, pp.254-258
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5.
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Commissioning of ALPS, the New Beam Position Monitor System of CERN’s Super Proton Synchrotron
/ Boccardi, Andrea (CERN) ; Albertone, Joel (CERN) ; Barros Marin, Manoel (CERN) ; Bogey, Thierry (CERN) ; Kain, Verena (CERN) ; Li, Kevin S B (CERN) ; Malinowska, Patrycja A (CERN ; AGH-UST, Cracow) ; Topaloudis, Athanasios (CERN) ; Wendt, Manfred (CERN)
The Super Proton Synchrotron (SPS) is both, the final machine in the pre-accelerator chain of the Large Hadron Collider (LHC) at CERN, and a machine providing several experiments with proton and ion beams. In the framework of CERN’s LHC Injectors Upgrade (LIU) project, aimed at improving the performances of the pre-accelerators in view of the high-luminosity upgrade of the LHC, the Beam Position Monitor (BPM) system of the SPS was redesigned during Run 2 of the LHC and deployed during the subsequent Long Shutdown 2 (LS2). [...]
Geneva : JACoW, 2021 - 4 p.
- Published in : JACoW IBIC 2021 (2021) 96-99
Fulltext: PDF;
In : 10th International Beam Instrumentation Conference (IBIC 2021), Online, Korea, 13 - 17 Sep 2021, pp.96-99
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6.
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The AWAKE Run 2 programme and beyond
/ AWAKE Collaboration
Plasma wakefield acceleration is a promising technology to reduce the size of particle accelerators. Use of high energy protons to drive wakefields in plasma has been demonstrated during Run 1 of the AWAKE programme at CERN. [...]
arXiv:2206.06040.-
2022-08-12 - 21 p.
- Published in : Symmetry 14 (2022) 1680
Fulltext: document - PDF; 2206.06040 - PDF;
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7.
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Beam Profile Measurements as Part of the Safe and Efficient Operation of the New SPS Beam Dump System
/ Topaloudis, Athanasios (CERN) ; Bravin, Enrico (CERN) ; Burger, Stephane (CERN) ; Jackson, Stephen (CERN) ; Velotti, Francesco (CERN) ; Veyrunes, Eric (CERN)
In the framework of the LHC Injectors Upgrade (LIU) project, the Super Proton Synchrotron (SPS) accelerator at CERN is undergoing a profound upgrade including a new high-energy beam dump. The new Target Internal Dump Vertical Graphite (TIDVG#5) is designed to withstand an average dumped beam power as high as 235 kW to cope with the increased intensity and brightness of the LIU beams whose energies in the SPS range from 14 to 450 GeV. [...]
2022 - 4 p.
- Published in : JACoW ICALEPCS2021 (2022) 764-767
Fulltext: PDF;
In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.764-767
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8.
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Evolution of the CERN LINAC 4 Intensity Interlock System Using a Generic, Real-Time Comparator in C++
/ Topaloudis, Athanasios (CERN) ; Allica Santamaria, Juan (CERN)
During the commissioning phase of LINAC 4, three watchdog interlock systems were used to protect the accelerator and its equipment. These systems cut the beam if losses, calculated by combining the intensity measurements at various locations, exceed some predefined thresholds. [...]
2020 - 5 p.
- Published in : 10.18429/JACoW-ICALEPCS2019-MOPHA145
Fulltext: PDF;
In : 17th Biennial International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS), New York, United States, 5 - 11 Oct 2019, pp.MOPHA145
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9.
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Technology and First Beam Tests of the New CERN-SPS Beam Position System
/ Wendt, Manfred (CERN) ; Barros Marin, Manoel (CERN) ; Boccardi, Andrea (CERN) ; Bogey, Thierry (CERN) ; Degl'Innocenti, Irene (CERN) ; Topaloudis, Athanasios (CERN)
The CERN Super Proton Synchrotron (SPS) uses 215 beam position monitors (BPMs) to observe the beam orbit when accelerating protons or ions on a fast ramp cycle to beam energies of up to 450 GeV/c. In the frame of the CERN LHC Injector Upgrade (LIU) initiative the aged, and difficult to maintain homodyne-receiver based BPM read-out system is currently being upgraded with A Logarithmic Position System - ALPS. [...]
2019 - 5 p.
- Published in : 10.18429/JACoW-IBIC2019-WEPP046
Fulltext: PDF;
In : 8th International Beam Instrumentation Conference (IBIC 2019), Malmo, Sweden, 8 - 12 Sep 2019, pp.WEPP046
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10.
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Upgrade of the CERN SPS Beam Position Measurement System
/ Wendt, Manfred (CERN) ; Barros Marin, Manoel (CERN) ; Boccardi, Andrea (CERN) ; Bogey, Thierry (CERN) ; Degl'Innocenti, Irene (CERN) ; Kain, Verena (CERN) ; Moran Guizan, Carla (CERN) ; Topaloudis, Athanasios (CERN)
The CERN Super Proton Synchrotron (SPS) is a fast cycling hadron accelerator delivering protons with momenta of up to 450 GeV/c for the Large Hadron Collider (LHC), fixed target experiments and other users such as the AWAKE plasma acceleration experiment, and also used to accelerate heavy ions. This paper presents the upgrade initiative for the SPS beam position measurement system in the frame of the CERN LHC Injector Upgrade (LIU) project. [...]
CERN-ACC-2018-105.-
2018 - 4 p.
- Published in : 10.18429/JACoW-IPAC2018-WEPAF085
Fulltext: wepaf085 - PDF; wepaf085_2 - PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.WEPAF085
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