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1.
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Topologies for the kicker systems of the FCC-ee collider and injectors
/ Martinek, Petr (CERN) ; Favia, Giorgia (CERN) ; Barnes, Michael (CERN) ; Diaz Zumel, Miguel (CERN) ; Yue, Sen (CERN) ; Kramer, Thomas (CERN) ; Dutheil, Yann (CERN)
A central part of CERN’s Future Circular collider study (FCC) is a ~91 km circumference lepton collider and its injector complex. This contribution outlines the various kicker systems needed to transport the lepton beams from the electron source up to the collider dump system. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) TUPC40
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.TUPC40
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2.
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Recent updates in the impedance characterization of the CERN PS Booster Finemet RF system
/ Neroni, Michela (CERN ; Rome U.) ; Albright, Simon (CERN) ; Damerau, Heiko (CERN) ; Gnemmi, Giulia (CERN) ; Haase, Matthias (CERN) ; Mostacci, Andrea (Rome U.) ; Paoluzzi, Mauro (CERN) ; Vollinger, Christine (CERN)
During the last long shutdown of the accelerators at CERN (LS2), the main radio frequency system of the Proton Synchrotron Booster (PSB) was upgraded. A widebandsystem with Finemet magnetic alloy cavities driven by solid-state amplifiers replaced several different ferrite-loaded cavities. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) THPC52
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.THPC52
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3.
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Upgrade of the PS booster-to-ISOLDE beam transfer line to facilitate an increase in proton driver energy
/ Fraser, Matthew (CERN) ; Bernardes, Ana (CERN) ; Newborough, Antony (CERN) ; del Alamo, Daniel (CERN) ; Grenier-Boley, Edouard (CERN) ; Pozzi, Fabio (CERN) ; Di Giovanni, Gian Piero (CERN) ; Corso, Jean-Pierre (CERN) ; Vollaire, Joachim (CERN) ; Ferreira Somoza, Jose (CERN) et al.
Following the successful completion of the LHC Injectors Upgrade (LIU) project, since 2021 the Proton Synchrotron (PS) Booster has served the LHC injector chain with protons at an increased kinetic energy of 2 GeV. An upgrade of the ISOLDE (Isotope Separator On-Line DEvice) facility has long been considered to produce radioactive ion beams with a higher energy proton driver beam. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) THPR28
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.THPR28
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4.
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Integration of FCC-ee RF systems targets and challenges
/ Valchkova-Georgieva, Fani (Unlisted, CH) ; Brunner, Olivier (CERN) ; Burnet, Jean-Paul (CERN) ; Coupard, Julie (CERN) ; Hanke, Klaus (CERN) ; Parma, Vittorio (CERN) ; Peauger, Franck (CERN)
Following the study progress on the FCC-ee radiofrequency systems (i.e. length of the cryomodules), general services infrastructure (i.e. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) THPS49
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.THPS49
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5.
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6.
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Optimization of mechanical robustness in the booster injection bumpers
/ Lackner, Friedrich (CERN) ; Atanasov, Miroslav (CERN) ; Balhan, Bruno (CERN) ; Baud, Cedric (CERN) ; Borburgh, Jan (CERN) ; M Walraven (Inholland U. Appl. Sci., Alkmaar)
During the Long Shutdown 2 (LS2) at CERN, the new Linac4 (L4) accelerator has been successfully connected to the PS Booster (PSB) to inject 160 MeV H− beam into the 4 superposed PSB rings. The horizontal displacement of the circulating beam during injection relies on 4 pulsed dipole magnets. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) THPM018
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.THPM018
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7.
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Understanding of the new horizontal instability at the PS Booster after LIU
/ Antuono, Chiara (Sapienza Universita e INFN, Roma I (IT)) ; Zannini, Carlo (CERN) ; Rumolo, Giovanni (CERN) ; Asvesta, Foteini (CERN) ; Migliorati, Mauro (Sapienza Universita e INFN, Roma I (IT))
Following the LHC Injectors Upgrade (LIU) project at CERN, the Proton Synchrotron Booster (PSB) has been upgraded to operate with a new injection kinetic energy of 160 MeV and an extraction energy of 2 GeV. To understand the performance of the accelerator in this new energy range, a series of measurements have been conducted, especially devoted to the beam stability to ensure the optimal operation of the machine. [...]
CERN-PBC-CONF-2024-010.-
Geneva : CERN, 2024 - 4.
- Published in : Link to proceedings
- Published in : JACoW: IPAC2024 (2024) , pp. WEPR44
pdf file: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.2594-2597
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8.
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Magnetic Alloy Loaded Cavities in J-PARC and CERN
/ Ohmori, Chihiro (J-PARC) ; Paoluzzi, Mauro (CERN)
Magnetic Alloy loaded cavities have been used in seven synchrotrons in J-PARC and CERN. In this paper, we will review variety of the cavity technologies to satisfy the requirements for the beam acceleration, deceleration, manipulation and instability damping. [...]
2024 - 5 p.
- Published in : JACoW HB 2023 (2024) WEC4C1
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.WEC4C1
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9.
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FCC-ee Feasibility Study Progress
/ Zimmermann, Frank (CERN) ; Benedikt, Michael (CERN)
The Future Circular Collider (FCC) ’’integrated programme’’ consists of a proposed high-luminosity e⁺e⁻ collider, FCC-ee, serving as Higgs and electroweak factory, which would, in a second stage, be succeeded by a 100 TeV hadron collider, FCC-hh. FCC-ee and FCC-hh share the same 91 km tunnel and technical infrastructure. [...]
2023 - 7 p.
- Published in : JACoW eeFACT 2022 (2023) 7-13
Fulltext: PDF;
In : 65th ICFA Advanced Beam Dynamics Workshop on High Luminosity Circular e+ e- Colliders (eeFACT2022), INFN, Frascati, Italy, 12 - 16 Sep 2022, pp.7-13
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10.
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FCC-ee $e^+e^-$ Injection and Booster rRng
/ Ramjiawan, Rebecca (CERN) ; Barnes, Michael (CERN) ; Bartmann, Wolfgang (CERN) ; Borburgh, Jan (CERN) ; Chancé, Antoine (Saclay) ; Dalena, Barbara (IRFU, Saclay) ; Dutheil, Yann (CERN) ; Hofer, Michael (CERN) ; Howling, Emily (Royal Holloway, U. of London) ; Hunchak, Patrick (Saskatchewan U.)
The Future Circular electron-positron Collider (FCC-ee) is a proposal for a 91.17 km collider, which would operate in four modes with energies ranging from 45.6 GeV (Z-pole) to 182.5 GeV (ttbar-production). At high energies the beam lifetime could be as low as 6 minutes, requiring the beam to be continuously topped up to reach a high integrated luminosity. [...]
2023 - 9 p.
- Published in : JACoW eeFACT 2022 (2023) 227-235
Fulltext: PDF;
In : 65th ICFA Advanced Beam Dynamics Workshop on High Luminosity Circular e+ e- Colliders (eeFACT2022), INFN, Frascati, Italy, 12 - 16 Sep 2022, pp.227-235
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