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Accelerator Physics

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2025-09-04
11:10
An Interferometric Multi-Sensor Absolute Distance Measurement System for Use in Harsh Environments / Sosin, Mateusz (CERN) ; Gonzalez Cobas, Juan David (CERN) ; Mohammed, Isa (Nottingham U.) ; Leach, Richard (Nottingham U.) ; Lipinski, Maciej Marek (CERN) ; Rude, Vivien (CERN) ; Rutkowski, Jaroslaw Marek ; Watrelot, Leonard
Fourier transform-based frequency sweeping interferometry (FT-FSI) is an interferometric technique that enables absolute distance measurement by detecting the beat frequencies from the interference of reflected signals. [...]
CERN-ACC-NOTE-2025-0017. - 2025 - 33.

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2025-09-03
09:05
Impedances and Instabilities / Wanzenberg, R (DESY)
The concepts of wake fields and impedance are introduced to describe the electromagnetic interaction of a bunch of charged particles with its environment in an particle accelerator. [...]
arXiv:2006.06540. - 2020 - 28.
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2025-08-30
06:21
Secondary Beams and Targets / Knie, Klaus (Darmstadt, GSI)
Secondary ion beams are beams of particles produced by bombarding a production target with a primary beam of a stable nuclide (in most cases protons) or by fragmentation of heavy primary particles. [...]
arXiv:2103.08950. - 2021 - 10.
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2025-08-30
06:21
Transverse Linear Beam Dynamics / Hillert, Wolfgang (Hamburg U.)
The subject of this introductory course is transverse dynamics of charged particle beams in linear approximation. [...]
arXiv:2107.02614. - 2021 - 65.
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2025-08-30
06:20
Linear Optics Computations / Sterbini, Guido (Unlisted)
In this Chapter we briefly recall and summarize the main linear optics concepts of the accelerators beam dynamics theory. [...]
arXiv:2006.14340. - 2020 - 27.
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2025-08-26
08:02
An Online Data Analysis Framework for Accelerator-Based Physics Experiments / Ramm, Hayden (Oxford U.) ; Simon, Pascal (Darmstadt, GSI) ; Alexaki, Paraskevi (Athens Natl. Capodistrian U. ; CERN) ; Arran, Christopher (Lancaster U.) ; Bingham, Robert (Rutherford) ; Goillot, Alice (CERN) ; Gudmundsson, Jon Tomas (Iceland U. ; Royal Inst. Tech., Stockholm) ; Halliday, Jonathan (Rutherford) ; Lloyd, Bryn (Oxford U.) ; Los, Eva (Oxford U.) et al.
A robust and flexible architecture capable of providing real-time analysis on diagnostic data is of crucial importance to physics experiments. [...]
arXiv:2508.00705. - 2025 - 23.
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2025-08-09
06:55
Metamaterials for impedance optimisation and sustainability / Zannini, Carlo (CERN) ; Sito, Leonardo (CERN)
Metamaterials could allow developing superconductive-like materials at ambient temperature, with consequent drastic reduction in energy consumption. They are therefore promising materials for future accelerators of small and big scale. [...]
2024 - 6 p. - Published in : JACoW IPAC 2024 (2024) TUXN1 Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.TUXN1

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2025-08-09
06:55
Investigations in turn-by-turn optics measurements at KARA / Zimmermann, Frank (CERN) ; Keintzel, Jacqueline (CERN) ; Mueller, Anke-Susanne (KIT, Karlsruhe) ; Haerer, Bastian (KIT, Karlsruhe) ; Blomley, Edmund (KIT, Karlsruhe) ; Huttel, Erhard (KIT, Karlsruhe) ; Steinmann, Johannes (KIT, Karlsruhe) ; Gethmann, Julian (KIT, Karlsruhe) ; Tomas, Rogelio (CERN)
The Karlsruhe Research Accelerator (KARA) is a synchrotron light source user and test facility, operating at an electron beam energy ranging from 0.5 to 2.5 GeV. Performing optics measurements and comparing with the machine model promises an improved understanding of the lattice and the underlying beam dynamics. [...]
2024 - 4 p. - Published in : JACoW IPAC 2024 (2024) TUPG33 Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.TUPG33

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2025-08-09
06:54
Development of reliable VHEE/FLASH passive dosimetry methods and procedures at CLEAR / Rieker, Vilde (CERN ; Oslo U.) ; Farabolini, Wilfrid (CERN) ; Corsini, Roberto (CERN) ; Wroe, Laurence (CERN) ; Bateman, Joseph (CERN ; Oxford U.) ; Korysko, Pierre (Oxford U. ; CERN) ; Robertson, Cameron (CERN ; Oxford U.)
The electron beam at CERN Linear Accelerator for Research (CLEAR) has been intensively used to study the potential use of Very High Energy Electrons (VHEE) for radiotherapy, including the so-called FLASH regime. An important part of these studies revolves around the development of reliable dosimetry methods, given that generally accepted standards are partly lacking for electron beams in the 100 MeV range and even more so in the ultra-high dose rates (UHDR) conditions needed for FLASH. [...]
2023 - Published in : JACoW IPAC 2023 (2023) THPM059 Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.THPM059

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2025-08-09
06:54
Experimental confirmation of the impedance reduction campaign in the CERN SPS / Argyropoulos, Theodoros (CERN) ; Damerau, Heiko (CERN) ; Karpov, Ivan (CERN) ; Lasheen, Alexandre (CERN) ; Papotti, Giulia (CERN)
Measurements of the very long single bunch spectrum with RF off, were started in the SPS in 2012 to identify the main impedance sources responsible for both single and multi-bunch beam instabilities observed during operation. The impedance of the vacuum flanges with a strong peak at 1.4 GHz was identified and proven from simulations to limit the beam intensities required for the High-Luminosity LHC (HL-LHC). [...]
2023 - 4 p. - Published in : JACoW IPAC 2023 (2023) TUODA2 Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.TUODA2

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