CERN Accelerating science

Accelerator Physics

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2024-12-02
12:20
Optics Measurements with the Transverse Damper in the Large Hadron Collider / Nissinen, Tuuli
Effective control of beam optics is critical for achieving the luminosity targets in particle colliders such as the Large Hadron Collider (LHC) [...]
CERN-THESIS-2024-245 -


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2024-11-30
06:10
Precision luminosity measurement at hadron colliders / Wanczyk, Joanna Malgorzata
This thesis links two realms of particle accelerator dynamics and precision particle physics [...]
2024 - 171.


10.5075/epfl-thesis-10500

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2024-11-29
16:54
Design and optimization of higher order mode couplers for the superconducting cavities of the PERLE energy recovery Linac / Barbagallo, Carmelo
The Powerful Energy Recovery Linac for Experiments (PERLE) is an energy recovery linac (ERL) facility based on superconducting radio-frequency (SRF) technology to be hosted at the Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab) in France [...]
CERN-THESIS-2024-244 - 2024 - 270.


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2024-11-28
06:06
Mitigation Strategies for the Instabilities Induced by the Fundamental Mode of the HL-LHC Crab Cavities / Giacomel, Lorenzo (CERN) ; Baudrenghien, Philippe (CERN) ; Buffat, Xavier (CERN) ; Calaga, Rama (CERN) ; Mounet, Nicolas (CERN)
The transverse impedance is one of the potentially limiting effects for the performance of the High-Luminosity Large Hadron Collider (HL-LHC). In the current LHC, the impedance is dominated by the resistive-wall contribution of the collimators at typical bunch-spectrum frequencies, and is of broad-band nature. [...]
2024 - 4 p. - Published in : JACoW HB 2023 (2024) 571-574 Fulltext: PDF;
In : 68th ICFA Advanced Beam Dynamics workshop on high-Intensity and High-Brightness Hadron Beams (HB 2023), CERN, Geneva, Switzerland, 9 - 13 Oct 2023, pp.571-574

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2024-11-20
04:03
Measurement of the emittance of accelerated electron bunches at the AWAKE experiment / AWAKE Collaboration
The vertical plane transverse emittance of accelerated electron bunches at the AWAKE experiment at CERN has been determined, using three different methods of data analysis. [...]
arXiv:2411.08681.
- 20.
Fulltext

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2024-11-13
09:35
710 kW stable average-power in a 45,000 finesse two-mirror optical cavity / Lu, Xin-Yi (Tsinghua University) ; Martens, Aurelien (Université Paris-Saclay (FR))
Very-high average optical enhancement cavities are be- ing used both in fundamental and applied research. The most demanding applications require stable megawatt level average power of infrared picosecond pulses with repetition rates of several tens of MHz. [...]
CERN-PBC-Notes-2024-005.- Geneva : CERN, 2024 - 4. Fulltext: PDF;

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2024-11-09
04:01
Monochromatization interaction region optics design for direct s-channel Higgs production at FCC-ee / Zhang, Z. (Beijing, Inst. High Energy Phys. ; IJCLab, Orsay) ; Faus-Golfe, A. (IJCLab, Orsay) ; Korsun, A. (IJCLab, Orsay) ; Bai, B. (Harbin Inst. Tech.) ; Jiang, H. (Lancaster U. (main)) ; Oide, K. (Geneva U. ; KEK, Tsukuba) ; Raimondi, P. (Fermilab) ; d'Enterria, D. (CERN) ; Zhang, S. (Beijing, Inst. High Energy Phys.) ; Zhou, Z. (Beijing, Inst. High Energy Phys.) et al.
The FCC-ee offers the potential to measure the electron Yukawa coupling via direct s-channel Higgs production, e+ e- -> H, at a centre-of-mass (CM) energy of 125 GeV [...]
FERMILAB-PUB-24-0827-PIP2 ; arXiv:2411.04210.
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Fermilab Library Server - Fulltext - Fulltext

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2024-10-24
07:32
New accelerator designs: NIMMS / Vretenar, Maurizio (CERN) ; Benedetto, Elena
Purpose This article summarises the presentation given at the “Hadrontherapy: status and perspectives” event. Methods Structure, methodology, and objectives of the Next Ion Medical Machine Study collaboration are introduced. Its four Work Packages are: small synchrotrons for particle therapy, curved superconducting magnets for synchrotrons and gantries, superconducting gantry design, and high-frequency ion linacs. [...]
2024 - 11 p. - Published in : Health Technol. 14 (2024) 945-955 Fulltext: PDF;

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2024-10-17
10:48
Improved CERN LHC layout and aperture models / Lampaki, Syrmatenia
Aperture models are of fundamental importance to design machine optics configurations and predict machine performance [...]
CERN-THESIS-2024-195 - Thessaloniki , Greece : Aristotle University of Thessaloniki, 2024-06-21 - 88.


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2024-10-16
09:18
The status of the FCC-ee optics tuning / van Riesen-Haupt, Léon (Ecole Polytechnique, Lausanne) ; Franchi, Andrea (ESRF, Grenoble) ; Faus-Golfe, Angeles (IJCLab, Orsay) ; Chance, Antoine (Paris, CEA) ; Dalena, Barbara (Paris, CEA) ; Järmyr Eriksson, Carl (CERN) ; Carli, Christian (CERN) ; Garcia Jaimes, Cristobal Miguel (Ecole Polytechnique, Lausanne) ; Shatilov, Dmitry (CERN) ; Musa, Elaf (DESY) et al.
With a circumference of approximately 91 km, the Future Circular electron-positron Collider, FCC-ee, aims for unprecedented luminosities at beam energies from 45.6 to 182.5 GeV. A major challenge is reaching its design performance in the presence of magnet misalignments and field errors. [...]
2024 - 4 p. - Published in : JACoW IPAC 2024 (2024) WEPR02 Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.WEPR02

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