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All CERN Accelerators documents

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2026-02-10
12:56
Thresholds of longitudinal multi-bunch instabilities in double harmonic RF systems / Heine, Ruben (CERN ; Berlin, Tech. U.) ; Karpov, Ivan (CERN) ; Keusgen, Wilhelm (Berlin, Tech. U.) ; Intelisano, Leandro (CERN) ; Calaga, Rama (CERN) ; Papotti, Giulia (CERN) ; Flowerdew, Jake (CERN)
Multi-bunch instabilities, often driven by narrowband impedance sources such as higher-order modes, present significant intensity limitations in synchrotrons. One approach to mitigate these instabilities is applying a double harmonic radio frequency (RF) system, which can increase the intensity threshold by enlarging the synchrotron frequency spread. [...]
2025 - 4 p. - Published in : JACoW IPAC 2025 (2025) WEPS076 Fulltext: PDF;
In : International Particle Accelerator Conference (IPAC'25), Taipei, Taiwan, 1-6 June 2025, pp.WEPS076

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2026-02-10
12:56
Vacuum Brazing / Mathot, Serge (CERN)
First, we describe vacuum brazing and vacuum soldering. [...]
arXiv:2602.05782. - 2026 - 14.
Fulltext

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2026-02-10
12:56
A novel approach to qualify the straightness of electrostatic septa for the SPS slow extraction / Lackner, Friedrich (CERN) ; Prost, Antoine (CERN) ; Balhan, Bruno (CERN) ; Durieux, Camille (CERN ; Unlisted, FR) ; Boucly, Christophe (CERN) ; Monier, Colin (CERN) ; Vincke, Helmut (CERN) ; Ducimetière, Laurent (CERN) ; Fraser, Matthew (CERN) ; van den Kieboom, Reyn (Unlisted, NL ; CERN)
The quality of slow extraction from the SPS (Super ProtonSynchrotron) to the North Area is critically influenced bythe straightness tolerance of the electrostatic septum. Pastobservations have identified a degradation of the anode bodystraightness, resulting in an increased beam loss during ex-traction. [...]
2025 - 4 p. - Published in : JACoW IPAC 2025 (2025) THPB057 Fulltext: PDF;
In : International Particle Accelerator Conference (IPAC'25), Taipei, Taiwan, 1-6 June 2025, pp.THPB057

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2026-02-08
06:21
High-intensity LINACS: Dynamics, Instabilities and Mitigations / Lombardi, Alessandra (CERN)
In this lecture we discuss the intensity limitations in hadron LINACs. [...]
arXiv:2602.05530. - 2026 - 16.
Fulltext

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2026-02-06
15:14
Simulation of the NUFACT front-end with ICOOL and comparison with PATH results / Holzer, E
CERN-NUFACT-Note-125. - 2002 - Mult..

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2026-02-06
15:10
Simulation of the 88 MHz cooling experiment with ICOOL - Statistical considerations and comparison with PATH / Holzer, E
CERN-NUFACT-Note-124. - 2002 - Mult..

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2026-02-05
06:33
Magnetic cycle optimisation in the CERN PS booster / Albright, Simon (CERN) ; Newborough, Antony (CERN) ; Asvesta, Foteini (CERN) ; Di Giovanni, Gian Piero (CERN) ; Marchi, Mariangela (CERN ; U. Rome La Sapienza (main)) ; Prebibaj, Tirsi (CERN)
The PS Booster is the first synchrotron in the CERN proton accelerator complex, which delivers both high-brightness and high-intensity beams. Injection to the Booster is at a kinetic energy of 160 MeV, therefore space charge is a main limiting factors for beam quality. [...]
2025 - 4 p. - Published in : JACoW IPAC 2025 (2025) TUPS026 Fulltext: PDF;
In : International Particle Accelerator Conference (IPAC'25), Taipei, Taiwan, 1-6 June 2025, pp.TUPS026

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2026-02-05
06:33
Towards tailored beam distributions for fixed target experiments at CERN / Remta, Matthias (CERN) ; Velotti, Francesco (CERN) ; Huhn, Francisco (CERN) ; Arrutia Sota, Pablo Andreas (CERN) ; Dutheil, Yann (CERN)
The time-of-flight (nTOF) facility at CERN uses neutrons produced by a proton beam interacting with a fixed target. To prevent target damage, an upper bound on the peak energy density has been imposed. [...]
2025 - 4 p. - Published in : JACoW IPAC 2025 (2025) TUPB018 Fulltext: PDF;
In : International Particle Accelerator Conference (IPAC'25), Taipei, Taiwan, 1-6 June 2025, pp.TUPB018

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2026-02-05
06:33
Gamma Factory: The light into the future / Budker, Dmitry (Mainz U. ; Darmstadt, GSI ; UC, Berkeley) ; Krasny, Mieczyslaw Witold (LPNHE, Paris ; CERN) ; Dutheil, Yann (CERN)
The Gamma Factory (GF) is an ambitious CERN proposal for a source of photons with energies up to about 400[Formula: see text]MeV and photon fluxes up to 10[Formula: see text] photons per second, exceeding those of the currently available gamma sources by orders of magnitude. The high-energy (secondary) photons are produced via resonant scattering of the primary laser photons by highly relativistic partially-stripped ions circulating in the accelerator. [...]
2026 - 6 p. - Published in : Int. J. Mod. Phys. A 41 (2026) 2649003

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2026-02-05
06:32
A New Eddy Current Septum Magnet for Fast Extraction from CERN's Proton Synchrotron / Atanasov, Miroslav (CERN) ; Balhan, Bruno (CERN) ; Baud, Cedric (CERN) ; Borburgh, Jan (CERN) ; Lackner, Friedrich (CERN) ; Kawa, Krzysztof Piotr (AGH-UST, Cracow) ; Masson, Thierry (CERN) ; Porta, L (CERN) ; Rouchouse, Melvyn (CERN)
A new eddy current septum for the fast extraction from CERN’s Proton Synchrotron (PS) has been designed and constructed. This development aims to improve the magnet’s re- liability, extend its service interval, and reduce radiation exposure for maintenance personnel. [...]
2026 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 36 (2026) 4100805 Fulltext: PDF;

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