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Accelerator Physics

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2026-02-03
07:21
The future of the CLEAR facility: consolidation, ongoing upgrades and its evolution towards future electron facilities at CERN / Corsini, Roberto (CERN) ; Farabolini, Wilfrid (CERN) ; Gamba, Davide (CERN) ; Gilardi, Antonio (Naples U.) ; Granados, Eduardo (CERN) ; Aksoy, Avni (CERN) ; Franek, Ondrej (CERN ; CTU, Prague) ; Korysko, Pierre (CERN) ; Malyzhenkov, Alexander (CERN) ; Mazzoni, Stefano (CERN) et al.
The CERN Linear Accelerator for Research (CLEAR) is a versatile 200 MeV electron linac followed by an experimental beam-line, operated at CERN as a user facility. Its user community includes research groups working on beam instrumentation R&D;, advanced acceleration techniques and irradiation studies, including medical applications. [...]
2025 - 4 p. - Published in : JACoW IPAC 2025 (2025) TUPM027 Fulltext: PDF;
In : International Particle Accelerator Conference (IPAC'25), Taipei, Taiwan, 1-6 June 2025, pp.TUPM027

Подробен запис
2026-02-03
07:21
Status of the low-Z SPS slow extraction electrostatic septum development / Lackner, Friedrich (CERN) ; Prost, Antoine (CERN) ; Balhan, Bruno (CERN) ; Vincke, Helmut (CERN) ; Ducimetière, Laurent (CERN) ; Fraser, Matthew (CERN) ; Bestmann, Patrick (CERN) ; van den Kiebooom, Reyn (Unlisted, NL ; CERN)
The impact of high-flux protons on beam loss during slow extraction from the SPS to the North Area has been discussed, and improvements have been proposed focusing on reducing activation, lifetime reduction, and anode body distortion. The conducted studies shall demonstrate the feasibility of replacing the stainless-steel tank, flanges, and anode body with low-Z materials. [...]
2025 - 4 p. - Published in : JACoW IPAC 2025 (2025) THPB058 Fulltext: PDF;
In : International Particle Accelerator Conference (IPAC'25), Taipei, Taiwan, 1-6 June 2025, pp.THPB058

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2026-02-03
07:21
Cavity loops Influence on the single-bunch Instability thresholds of the CERN PS Booster / Marchi, Mariangela (CERN ; U. Rome La Sapienza (main)) ; Barrientos, Diego (CERN) ; Gnemmi, Giulia (CERN) ; Albright, Simon (CERN)
The CERN Proton Synchrotron Booster (PSB) delivers a wide variety of high-intensity and high-brightness proton beams to several destinations, including operations at the Large Hadron Collider (LHC) and various fixed-target experiments. Following the Long Shutdown 2 (LS2) upgrades, discrepancies between beam measurements and macro-particle simulations were observed, highlighting the need for a deeper understanding of the longitudinal impedance and related effects in the PSB. [...]
2025 - 4 p. - Published in : JACoW IPAC 2025 (2025) WEPM082 Fulltext: PDF;
In : International Particle Accelerator Conference (IPAC'25), Taipei, Taiwan, 1-6 June 2025, pp.WEPM082

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2026-02-03
07:21
Beam optics model and characterization for CERN's low-energy ISOLDE transfer lines / Vuillemin, Quentin (CERN) ; Arrutia Sota, Pablo Andreas (CERN)
The PUMA (antiProton Unstable Matter Annihilation) experiment at CERN aims to explore the interaction of antimatter with exotic isotopes, utilizing the unique capabilities of CERN’s ISOLDE facility and Antiproton Decelerator. This contribution presents recent advancements in the beam transfer lines optics studies relevant to the success of the experiment, and to ISOLDE’s operation in general. [...]
2025 - 4 p. - Published in : JACoW IPAC 2025 (2025) WEPM034 Fulltext: PDF;
In : International Particle Accelerator Conference (IPAC'25), Taipei, Taiwan, 1-6 June 2025, pp.WEPM034

Подробен запис
2026-01-30
08:01
Broadband characterization of the CERN-SPS driving and detuning impedance / de la Fuente, Elena (CERN ; Tech. U. Madrid (main)) ; Zannini, Carlo (CERN) ; Rumolo, Giovanni (CERN) ; Bartosik, Hannes (CERN) ; Mases, Ingrid (CERN ; Goethe U., Frankfurt (main)) ; González Torre, Miguel (CERN ; Tech. U. Madrid (main))
The CERN-SPS transverse impedance model plays an important role in predicting beam stability and guiding machine operation. This work advances the benchmarking of the SPS vertical impedance model through experimental investigations of mode-zero instability growth rates and intensity-dependent tune shifts as a function of chromaticity. [...]
2025 - 4 p. - Published in : JACoW IPAC 2025 (2025) WEPM068 Fulltext: PDF;
In : International Particle Accelerator Conference (IPAC'25), Taipei, Taiwan, 1-6 June 2025, pp.WEPM068

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2026-01-30
08:01
Optical and laser systems for the AWAKE run $^{2}$C experiment / Granados, Eduardo (CERN) ; Latina, Andrea (CERN) ; Eager, Anton (CERN) ; Groussin, Baptiste (CERN) ; Woolley, Benjamin (CERN) ; Gschwendtner, Edda (CERN) ; Martinez-Calderon, Miguel (CERN) ; Chritin, Nicolas (CERN) ; Mazzoni, Stefano (CERN) ; Doebert, Steffen (CERN) et al.
In the AWAKE Run 2c experiment, two electron beams are injected into two separate rubidium (Rb) vapour sources. The first electron beam initiates the self-modulation of a proton bunch in the first vapour source, while the second electron beam serves as a witness beam for plasma wakefield acceleration with low energy spread in the second vapour source. [...]
2025 - 4 p. - Published in : JACoW IPAC 2025 (2025) TUPS111 Fulltext: PDF;
In : International Particle Accelerator Conference (IPAC'25), Taipei, Taiwan, 1-6 June 2025, pp.TUPS111

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2026-01-30
08:01
Optics function determination using luminosity data / Wanczyk, Joanna (CERN) ; Persson, Tobias (CERN)
Determining the betatronic waist shift and the $\beta^*$ at the interaction points through K-modulation in the Large Hadron Collider presents considerable challenges. This paper introduces a novel method for the measurement of these quantities, based on luminosity measurements and the van der Meer technique for reconstructing transverse bunch profiles. [...]
2025 - 4 p. - Published in : JACoW IPAC 2025 (2025) WEPM015 Fulltext: PDF;
In : International Particle Accelerator Conference (IPAC'25), Taipei, Taiwan, 1-6 June 2025, pp.WEPM015

Подробен запис
2026-01-30
08:01
Towards operational optics measurements with AC Dipole excitations in the CERN SPS / Zisopoulos, Panagiotis (CERN) ; Maclean, Ewen (CERN) ; Dilly, Joschua (CERN) ; Paraschou, Konstantinos (CERN) ; Hostettler, Michi (CERN)
In the CERN Super Proton Synchrotron (SPS), a new AC dipole excitation functionality has been implemented with the aid of the Beam-Based Feedback and Diagnostic Systems. This feature facilitates precise and systematic optics measurements, presenting a robust alternative to the conventional single-kick excitation method. [...]
2025 - 4 p. - Published in : JACoW IPAC 2025 (2025) WEPM108 Fulltext: PDF;
In : International Particle Accelerator Conference (IPAC'25), Taipei, Taiwan, 1-6 June 2025, pp.WEPM108

Подробен запис
2026-01-29
07:14
A radiation-resistant distributed temperature sensor for CERN’s accelerators / Di Francesca, Diego (CERN) ; Blanc, Jeremy (CERN) ; Colaco, Flavien (CERN) ; Contini, Lorenzo (CERN) ; Dole, Michael (CERN) ; Evrard, Sebastien (CERN) ; Fernandez, Julien (CERN) ; Kallada Janardhan, Rahul (CERN) ; Nissen, Henrik (CERN) ; Ricci, Daniel (CERN) et al.
Optical Fibre Sensors (OFS) possess unique features, such as high sensitivity, versatility, and the ability to operate in harsh radiation environments. Distributed OFS are notable for enabling real-time monitoring over large-scale facilities, making them ideal for applications in particle accelerators. [...]
2025 - 4 p. - Published in : JACoW IPAC 2025 (2025) THPB034 Fulltext: PDF;
In : International Particle Accelerator Conference (IPAC'25), Taipei, Taiwan, 1-6 June 2025, pp.THPB034

Подробен запис
2026-01-27
07:46
Electron cloud mitigation techniques for the FCC-ee / Sabato, Luca (Ecole Polytechnique, Lausanne) ; Bartosik, Hannes (CERN) ; Carli, Christian (CERN) ; Iadarola, Giovanni (CERN) ; Mether, Lotta (CERN) ; Pieloni, Tatiana (Ecole Polytechnique, Lausanne) ; Zimmermann, Frank (CERN)
The Future Circular Collider (FCC)-ee is a planned electron-positron collider under development. The future collider would be built in an about 91 km ring-shaped underground tunnel located beneath the French departments of Haute-Savoie and Ain, and the Swiss canton of Geneva. [...]
2025 - 4 p. - Published in : JACoW IPAC 2025 (2025) WEPS050 Fulltext: PDF;
In : International Particle Accelerator Conference (IPAC'25), Taipei, Taiwan, 1-6 June 2025, pp.WEPS050

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