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Beam performance and operational efficiency at the CERN Proton Synchrotron
/ Huschauer, Alexander (CERN) ; Coly, Marcel (CERN) ; Cotte, Denis (CERN) ; Damerau, Heiko (CERN) ; Delrieux, Marc (CERN) ; Dumont, Jean-Charles (CERN) ; Dutheil, Yann (CERN) ; Easton, Sandy (CERN) ; Fraser, Matthew (CERN) ; Guerrero, Ana (CERN) et al.
The injectors for the LHC at CERN underwent a major upgrade during a recent two-year long shutdown in the framework of the LHC Injectors Upgrade (LIU) project. Following this upgrade, the Proton Synchrotron (PS) was restarted in 2021, with the same beam quality as before the upgrade quickly achieved or surpassed. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) TUPA158
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.TUPA158
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2.
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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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4.
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Beam loading
/ Damerau, Heiko (speaker) (CERN)
Radio-frequency (RF) systems in particle accelerators are usually designed to transfer energy to the beam or to define its longitudinal structure. However, charged particles passing through an RF cavity induce a voltage which acts back on themselves and on subsequent particles. [...]
2024 - 3582.
CERN Accelerator School; CAS Advanced Accelerator Physics, 10-22 November 2024, Spa, Belgium
External links: Talk details; Event details
In : CAS Advanced Accelerator Physics, 10-22 November 2024, Spa, Belgium
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5.
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RF Feedbacks
/ Damerau, Heiko (speaker) (CERN)
"Feedback systems are commonly applied to stabilise charged particle beams in accelerators. In the longitudinal plane radio-frequency (RF) feedback reduces the beam induced voltage in an RF system, or it allows to damp bunch oscillations [...]
2024 - 3470.
CERN Accelerator School; CAS Advanced Accelerator Physics, 10-22 November 2024, Spa, Belgium
External links: Talk details; Event details
In : CAS Advanced Accelerator Physics, 10-22 November 2024, Spa, Belgium
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6.
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CERN ion injector complex performance during 2024 magnesium test
/ Slupecki, Maciej (CERN) ; Alemany Fernandez, Reyes (CERN) ; Albright, Simon (CERN) ; Almeida, Dwane (CERN) ; Angoletta, Maria Elena (CERN) ; Argyropoulos, Theodoros (CERN) ; Arrutia, Pablo (CERN) ; Bartosik, Hannes (CERN) ; Baudrenghien, Philippe ; Bellodi, Giulia (CERN) et al.
In the second quarter of 2024 a new ion species, magnesium, has been tested in the CERN's ion injector complex. [...]
CERN-ACC-NOTE-2025-0006.
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2025 - 24.
Full text
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7.
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Transverse Collective Effects studies for a Muon Collider
/ Amorim, David (CERN) ; Batsch, Fabian (CERN) ; Carli, Christian (CERN) ; Chance, Antoine (IRFU, Saclay) ; Damerau, Heiko (CERN) ; Kvikne, Erik (CERN ; Norwegian U. Sci. Tech.) ; Métral, Elias (CERN) ; Pieloni, Tatiana (Ecole Polytechnique, Lausanne) ; Schulte, Daniel (CERN)
The International Muon Collider Collaboration (IMCC) is investigating the key challenges of a 10 TeV centre-of-mass muon collider ring, along with its injector complex and an intermediate 3 TeV collider stage. Muon and anti-muon bunches are produced via a proton driver complex and then undergo a process called 6D cooling [...]
2025 - 6 p.
- Published in : PoS ICHEP2024 (2025) 838
Fulltext: PDF;
In : 42nd International Conference on High Energy Physics (ICHEP 2024), Prague, Czech Republic, 18 - 24 Jul 2024, pp.838
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8.
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Beam loading
/ Damerau, Heiko (speaker) (CERN)
Radio-frequency (RF) systems in particle accelerators are usually designed to transfer energy to the beam or to define its longitudinal structure. However, charged particles passing through an RF cavity induce a voltage which acts back on themselves and on subsequent particles. [...]
2022 - 3399.
CERN Accelerator School; CAS Advanced Accelerator Physics, 6-18 November 2022, Sevrier, France
External links: Talk details; Event details
In : CAS Advanced Accelerator Physics, 6-18 November 2022, Sevrier, France
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9.
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RF Feedbacks
/ Damerau, Heiko (speaker) (CERN)
Feedback systems are commonly applied to stabilise charged particle beams in accelerators. In the longitudinal plane radio-frequency (RF) feedback reduces the beam induced voltage in an RF system, or it allows to damp bunch oscillations. [...]
2022 - 3421.
CERN Accelerator School; CAS Advanced Accelerator Physics, 6-18 November 2022, Sevrier, France
External links: Talk details; Event details
In : CAS Advanced Accelerator Physics, 6-18 November 2022, Sevrier, France
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10.
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RF Systems
/ Damerau, Heiko (speaker) (CERN)
Radio-frequency (RF) systems deliver the power to change the energy of a charged particle beam, and they are integral parts of linear and circular accelerators. A longitudinal electrical field in the direction of the beam is generated in a resonant structure, the RF cavity. [...]
2024 - 3352.
CAS - CERN Accelerator School; CAS course on Basics of Accelerator Physics and Technology, 11 - 15 March 2024, Ferney-Voltaire, France
External links: Talk details; Event details
In : CAS course on Basics of Accelerator Physics and Technology, 11 - 15 March 2024, Ferney-Voltaire, France
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