CERN Accelerating science

All CERN Accelerators documents

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2025-04-15
15:07
Impact of Measured Quadrupole Errors in the New Separation Dipoles on the HL-LHC Optics / Dilly, Joschua Werner (CERN) ; Maclean, Ewen Hamish (CERN) ; Tomas Garcia, Rogelio (CERN)
In this study the impact and correctability of the quadrupole field errors, as measured in the newly fabricated separation dipoles for the low-β insertion regions of the HL-LHC, are evaluated. [...]
CERN-ACC-NOTE-2025-0009.
- 2025 - 51.

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2025-04-15
14:54
Impact of Expected Quadrupole Errors in the New Separation Dipoles on the HL-LHC Optics / Dilly, Joschua Werner (CERN) ; Maclean, Ewen Hamish (CERN) ; Tomas Garcia, Rogelio (CERN)
In this study the impact and correctability of the quadrupole field errors, as measured in the newly fabricated separation dipoles for the low-β insertion regions of the HL-LHC, are evaluated. [...]
CERN-ACC-NOTE-2025-0008.
- 2025 - 51.

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2025-04-15
10:58
Improved machine learning models for local optics corrections in the LHC triplet magnets / Kravishvili, Elene (Université Paris-Saclay (FR))
The thesis aims to develop a beam optimization process in LHC, particularly the correction of the triplet magnet at each interaction point. This study will construct a machine learning algorithm to predict the quadrupole field errors around IPs, making the correction process more precise and efficient. [...]
CERN-THESIS-2024-373.- Fulltext: PDF; External link: Approve this document (restricted)

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2025-04-11
06:51
test doctest / Evans, Jordan (independant)
CERN-THESIS-84-007; TEST.- Fulltext: PDF; External link: Approve this document (restricted)

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2025-04-11
06:30
Transition Crossing by Means of Stable Islands / Wang, Sabrina (Imperial College London/EPFL)
The phenomenom of transition energy crossing might generate adverse effects to the quality of charged-particle beams in circular accelerators that is hard to avoid, and has been known to introduce potentially adverse disturbance to the longitudinal dynamics of a beam of charged particles. A novel method to cross the transition energy using non-linear magnets is simulated in this project on a realistic lattice of the CERN Super Proton Synchrotron (SPS). [...]
CERN-THESIS-2023-437.- 53 p. Fulltext: PDF; External link: Approve this document (restricted)

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2025-04-11
06:00
II.17 - Physics and accelerators for particle therapy / Schippers, Jacobus Maarten (PSI, Villigen ; UMCG)
At the Paul Scherer Institute (PSI) radiation therapy is performed by means of proton beams. Proton therapy is one of the particle therapies, in which energetic ions (mostly protons and carbon ions) are used to treat cancer patient by irradiating the tumor with high precision. [...]
2024 - 12 p. - Published in : CERN Yellow Rep. School Proc. 3 (2024) 1841-1852 Fulltext: PDF;
In : Proceedings of the Joint Universities Accelerator School (JUAS) : Courses and exercises, Geneva, Switzerland, 27 Nov 2024, pp.1841-1852 (CERN-2024-003)

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2025-04-11
06:00
II.18 - Life-cycle and operability of particle accelerators / Meyroneinc, Samuel (Inst. Curie, Paris)
Particle accelerators are used to generate particle beams for different kinds of use. Operability must be easy and simple for an industrial version with a high Technological Readiness Level (TRL), or complex and critical for large single accelerators designed for new research objectives. [...]
2024 - 16 p. - Published in : CERN Yellow Rep. School Proc. 3 (2024) 1853-1868 Fulltext: PDF;
In : Proceedings of the Joint Universities Accelerator School (JUAS) : Courses and exercises, Geneva, Switzerland, 27 Nov 2024, pp.1853-1868 (CERN-2024-003)

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2025-04-11
04:32
HALHF: a hybrid, asymmetric, linear Higgs factory using plasma- and RF-based acceleration. Backup Document / Adli, Erik (Oslo U.) ; Appleby, Joshua (Oxford U.) ; Barklow, Timothy L. (SLAC) ; Biagini, Marica (Frascati) ; Björklund Svensson, Jonas (Lund U.) ; Berggren, Mikael (DESY) ; Bettoni, Simone (PSI, Villigen) ; Boogert, Stewart (Daresbury) ; Burrows, Philip (Oxford U.) ; Caldwell, Allen (Garching, Max Planck Inst.) et al.
This document expands on the Comprehensive Summary submitted to the EPPSU 2026. [...]
arXiv:2503.23489.
- 29.
Fulltext

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2025-04-09
04:34
European Contributions to Fermilab Accelerator Upgrades and Facilities for the DUNE Experiment / DUNE Collaboration
The Proton Improvement Plan (PIP-II) to the FNAL accelerator chain and the Long-Baseline Neutrino Facility (LBNF) will provide the world's most intense neutrino beam to the Deep Underground Neutrino Experiment (DUNE) enabling a wide-ranging physics program. [...]
arXiv:2503.23744 ; FERMILAB-PUB-25-0238-LBNF.
- 11.
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2025-04-09
04:25
Contribution of ALEGRO to the Update of the European Strategy on Particle Physics / Cros, Brigitte (ed.) (LPGP, Orsay) ; Muggli, Patric (ed.) (Munich, Max Planck Inst.) ; Corner, Laura (U. Liverpool (main)) ; Farmer, John (Munich, Max Planck Inst.) ; Ferarrio, Massimo (INFN, Italy) ; Gessner, Spencer (SLAC) ; Gizzi, Leo (CNR, INO, Pisa) ; Gschwendtner, Edda (CERN) ; Hogan, Mark (SLAC) ; Hooker, Simon (Oxford U.) et al.
Advanced and novel accelerators (ANAs), driven a by laser pulse or a relativistic particle bunch, have made remarkable progress over the last decades. [...]
arXiv:2504.01434.
- 20.
Fulltext

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