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Accelerator Physics

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უკანასკნელი დამატებები:
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

დეტალური ჩანაწერი
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

დეტალური ჩანაწერი
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

დეტალური ჩანაწერი
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

დეტალური ჩანაწერი
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

დეტალური ჩანაწერი
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

დეტალური ჩანაწერი
2026-01-27
07:46
Interplay between sextupole settings and single particle instabilities during the FCC-ee commissioning / Skoufaris, Kyriacos (CERN) ; Garcia Jaimes, Cristobal Miguel (Ecole Polytechnique, Lausanne) ; Tomas, Rogelio (CERN)
The Future Circular Collider of electrons and positrons (FCC-ee) is designed to achieve high luminosity at center-of-mass energies ranging from the Z boson peak to the top quark threshold. During the commissioning phase, specialized optics are essential to accommodate the dynamic needs of machine tuning and beam stabilization. [...]
2025 - 4 p. - Published in : JACoW IPAC 2025 (2025) MOPM028 Fulltext: PDF;
In : International Particle Accelerator Conference (IPAC'25), Taipei, Taiwan, 1-6 June 2025, pp.MOPM028

დეტალური ჩანაწერი
2026-01-24
06:36
Status of the CERN optics measurement and correction analysis tools / Dilly, Joschua (CERN) ; Wegscheider, Andreas (CERN) ; Maclean, Ewen (CERN) ; Carlier, Felix (CERN) ; Soubelet, Felix (CERN) ; Gray, Joshua (CERN) ; Le Garrec, Mael (CERN) ; Tomas, Rogelio (CERN) ; Horney, Sasha (CERN) ; Persson, Tobias (CERN)
With a change in the LHC machine optics foreseen for 2025 and the possible reduction of beta-star, optics commissioning will become even more of a challenge for the CERN Optics Measurement and Correction (OMC) team. In particular, the increased sensitivity of the optics to non-linear imperfections, requiring a plethora of accurate measurements, is expected to be a time consuming task. [...]
2025 - 4 p. - Published in : JACoW IPAC 2025 (2025) 1972 Fulltext: PDF;
In : International Particle Accelerator Conference (IPAC'25), Taipei, Taiwan, 1-6 June 2025, pp.1972

დეტალური ჩანაწერი
2026-01-24
06:36
Application of distributed temperature sensor for fire and cryogenic leak detection in accelerator tunnels / Dole, Michael (CERN) ; Di Francesca, Diego (CERN) ; Nissen, Henrik (CERN) ; Blanc, Jeremy (CERN) ; Bremer, Johan (CERN) ; FERNANDEZ, Julien (CERN) ; Dufay-Chanat, Laetitia (CERN) ; Contini, Lorenzo (CERN) ; Van de veire, Matthias (CERN) ; Rios, Oriol (CERN) et al.
High-energy accelerators like CERN’s Large Hadron Collider (LHC) present hazards characterized by temperature variations such as cryogenic leak or fire. Considering that LHC tunnels are large, underground, and radioactive areas, alternatives to traditional systems are explored to improve hazard detection. [...]
2025 - 4 p. - Published in : JACoW IPAC 2025 (2025) 2996 Fulltext: PDF;
In : International Particle Accelerator Conference (IPAC'25), Taipei, Taiwan, 1-6 June 2025, pp.2996

დეტალური ჩანაწერი
2026-01-24
06:36
Longitudinal beam coupling impedance of unshielded pumping manifolds at the CERN PS / Neroni, Michela (U. Rome La Sapienza (main) ; CERN) ; Damerau, Heiko (U. Rome La Sapienza (main) ; CERN) ; Ferreira Somoza, Jose (U. Rome La Sapienza (main) ; CERN) ; Flowerdew, Jake (U. Rome La Sapienza (main) ; CERN) ; Lasheen, Alexandre (U. Rome La Sapienza (main) ; CERN) ; Popovic, Branko (Argonne, PHY) ; Santos, Miguel (U. Rome La Sapienza (main) ; CERN) ; Vollinger, Christine (U. Rome La Sapienza (main) ; CERN)
The High-Luminosity LHC (HL-LHC) project aims at increasing beam intensity, hence posing tight constraints on its injector chain. A critical issue in the Proton Synchrotron (PS) is the contribution of numerous pumping manifolds to the longitudinal beam coupling impedance at high frequencies. [...]
2025 - 4 p. - Published in : JACoW IPAC 2025 (2025) 2310 Fulltext: PDF;
In : International Particle Accelerator Conference (IPAC'25), Taipei, Taiwan, 1-6 June 2025, pp.2310

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