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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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FCC-ee arc half-cell: preliminary design & integration studies, with ideas for a mock-up
/ Carra, F (CERN) ; Baudin, L (CERN) ; Bauche, J (CERN) ; Artoos, K (CERN) ; Atieh, S (CERN) ; Bertarelli, A (CERN) ; Brunner, O (CERN) ; Capatina, O (CERN) ; Chance, A (Saclay) ; Chemli, S (CERN) et al.
During 2022, a dedicated study was undertaken at CERN, together with FCC Feasibility Study collaborators, aimed at proposing a robust configuration for the FCC-ee arc half cell. The proposed configuration takes into account integration aspects of the elements in the arc cross section, both for the booster and the collider, as well as aspects related to powering, cooling and ventilation, supporting and alignment, optics, instrumentation, handling and installation. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) MOPL061
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.MOPL061
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First considerations on the supporting structures of FCC-ee booster and collider in the arc regions
/ Carra, F (CERN) ; Baudin, L (CERN) ; Bauche, J (CERN) ; Artoos, K (CERN) ; Atieh, S (CERN) ; Bertarelli, A (CERN) ; Brunner, O (CERN) ; Capatina, O (CERN) ; Chance, A (Saclay) ; Chemli, S (CERN) et al.
In 2022, the FCC Feasibility Study management mandated aworking group to analyse the best configuration of the FCC-ee tunnelin the arc regions, in view of the construction of a mock-up of thearc half-cell. One of the main and most challenging goals of thestudy, named FCC-ee Arc Half-Cell Mock-up Project, was toperform a preliminary investigation on the principles of supportingthe Short-Straight Sections and dipoles of the half-cells, both forthe booster and for the collider machines. [...]
2024 - 7 p.
- Published in : JINST 19 (2024) T02008
Fulltext: PDF;
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FCC-ee large-scale project installation planning: challenges & proposals
/ Fleury, Sarah (CERN) ; Valchkova-Georgieva, Fani (Unlisted, CH) ; Burnet, Jean-Paul (CERN) ; Bernardini, Marzia (CERN) ; Benedikt, Michael (CERN)
CERN is contemplating further advancements in the energy frontier through the Future Circular Collider (FCC) study, envisioning a 90.7 km underground accelerator with multiple energy stages over time. Following the European Strategy for Particle Physics recommendation in 2020, CERN initiated a feasibility study to scrutinize all aspects of the FCC project.A crucial component of this study involves developing a timeline from project approval to the beam operation of FCC-ee, the first collider with electron and positron. [...]
2024 - 3 p.
- Published in : JACoW IPAC 2024 (2024) WECD1
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.WECD1
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3D integration methodologies of the accelerators at CERN
/ Magazinik, Anastasiya (Unlisted, CH) ; Tursun, Alparslan (Unlisted, CH) ; Kosmicki, Antoine (CERN) ; del Alamo, Daniel (CERN) ; Valchkova-Georgieva, Fani (Unlisted, CH) ; Galleazzi, Frederic (CERN) ; Corso, Jean-Pierre (CERN) ; Coupard, Julie (CERN) ; Joannon, Nicolas (Unlisted, CH) ; Maridor, Stephane (CERN) et al.
The 3D design of large accelerators like the Large Hadron Collider (LHC) requires coordination among equipment, services, and infrastructures. As numerous systems are designed, procured, and installed, 3D integration studies are important steps at any stages of a project, starting from the conceptual phase with space reservations, envelopes and interfaces, followed by the technical design phase managing the detailed and simplified 3D models, and finishing by the installation phase with follow-up of discrepancies. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) THPS48
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.THPS48
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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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Progress of the FCC-ee optics tuning working group
/ Bauche, J (CERN) ; da Silva, T (IRFU, Saclay) ; Shatilov, D (CERN) ; Chance, A (IRFU, Saclay) ; Wu, Y (Ecole Polytechnique, Lausanne) ; Wang, Y (Beijing, Inst. High Energy Phys.) ; Tomas, Rogelio (CERN) ; Franchi, Andrea (ESRF, Grenoble) ; Faus-Golfe, Angeles (IJCLab, Orsay) ; Dalena, Barbara (IRFU, Saclay) et al.
FCC-ee is a proposed lepton collider with a circumference close to 100 km to produce an unprecedented amount of luminosity. The FCC-ee optics tuning working group is addressing one of the most critical aspects of the FCC-ee, that is the recovery of the optics design performance in presence of realistic imperfections. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) WEPL023
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.WEPL023
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Challenges and mitigation measures for synchrotron radiation on the FCC-ee arcs
/ Humann, Barbara (CERN) ; Frasca, Alessandro (CERN) ; Lechner, Anton (CERN) ; Järmyr Eriksson, Carl (CERN) ; Valchkova-Georgieva, Fani (Unlisted, CH) ; Bauche, Jeremie (CERN) ; Hofer, Michael (CERN) ; Kersevan, Roberto (CERN) ; Garcia Alia, Ruben (CERN)
In a high-energy circular electron-positron collider like the Future Circular Collider (FCC-ee) at CERN, synchrotron radiation (SR) presents a significant challenge due to the radiation load on collider magnets and equipment in the tunnel like cables, optical fibers, and electronics. The efficiency of the anticipated photon absorbers in the vacuum chambers depends on the operational beam energy, ranging from 45.6 GeV to 182.5 GeV. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) MOPG04
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.MOPG04
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SWELL and Other SRF Split Cavity Development
/ Peauger, F (CERN) ; Brunner, O (CERN) ; Garlasche, M (CERN) ; Zadeh, S Gorgi (CERN) ; Koettig, T (CERN) ; Rosaz, G (CERN) ; Syratchev, I (CERN) ; Timmins, M (CERN) ; Therasse, M (CERN) ; Venturini Delsolaro, W (CERN) et al.
An innovative superconducting cavity topology has been recently proposed at CERN. It integrates longitudinal waveguide slots crossing perpendicularly the RF surface to damp transverse higher order modes. [...]
2022 - 5 p.
- Published in : JACoW LINAC 2022 (2022) 300-304
Fulltext: PDF;
In : 31st Linear Accelerator Conference (LINAC22), Liverpool, UK, 28 Aug - 2 Sep 2022, pp.300-304
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