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1.
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Futur collisionneur circulaire—Rapport d’étude de faisabilité, volume 3 : Génie civil, implantation et durabilité
/ Benedikt, M. (CERN) ; Zimmermann, F. (CERN) ; Auchmann, B. (CERN ; PSI, Villigen) ; Bartmann, W. (CERN) ; Burnet, J.P. (CERN) ; Carli, C. (CERN) ; Chancé, A. (IRFU, Saclay) ; Craievich, P. (PSI, Villigen) ; Giovannozzi, M. (CERN) ; Grojean, C. (DESY ; Humboldt U., Berlin) et al.
CERN-FCC-ACC-2025-0003-FR.-
Geneva : CERN, 2025-03 - 357 p.
- Published in : 10.17181/CERN.WE26.NJC0
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2.
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Future Circular Collider Feasibility Study Report Volume 2 : Accelerators, technical infrastructure and safety
/ Benedikt, M. (ed.) (CERN) ; Zimmermann, F. (CERN) ; Auchmann, B. (CERN ; PSI, Villigen) ; Bartmann, W. (CERN) ; Burnet, J.P. (CERN) ; Carli, C. (CERN) ; Chancé, A. (IRFU, Saclay) ; Craievich, P. (PSI, Villigen) ; Giovannozzi, M. (CERN) ; Grojean, C. (DESY ; Humboldt U., Berlin) et al.
In response to the 2020 Update of the European Strategy for Particle Physics, the Future Circular Collider (FCC) Feasibility Study was launched as an international collaboration hosted by CERN. The FCC ‘integrated programme’, described in this report, in a first stage consists of a highest-luminosity electron-positron collider, FCC-ee, serving as Higgs, top and electroweak factory, with a subsequent energy-frontier proton-proton collider, FCC-hh, as the second stage. The FCC-ee is designed to operate at four baseline centre-of-mass energies, corresponding to the Z pole, the WW pair production threshold, the ZH production peak, and the top/anti-top production threshold, always delivering the highest possible luminosities to four experiments. [...]
arXiv:2505.00274; CERN-FCC-ACC-2025-0004.-
Geneva : CERN, 2025 - 627 p.
Fulltext: CERN-FCC-ACC-2025-0004 - PDF; 2505.00274 - PDF;
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3.
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Future Circular Collider Feasibility Study Report Volume 3 : Civil Engineering, Implementation and Sustainability
/ Benedikt, M. (CERN) ; Zimmermann, F. (CERN) ; Auchmann, B. (CERN ; PSI, Villigen) ; Bartmann, W. (CERN) ; Burnet, J.P. (CERN) ; Carli, C. (CERN) ; Chancé, A. (IRFU, Saclay) ; Craievich, P. (PSI, Villigen) ; Giovannozzi, M. (CERN) ; Grojean, C. (DESY ; Humboldt U., Berlin) et al.
Volume 3 of the FCC Feasibility Report presents studies related to civil engineering, the development of a project implementation scenario, and environmental and sustainability aspects. The report details the iterative improvements made to the civil engineering concepts since 2018, taking into account subsurface conditions, accelerator and experiment requirements, and territorial considerations. [...]
arXiv:2505.00273; CERN-FCC-ACC-2025-0003.-
Geneva : CERN, 2025-03 - 357 p.
- Published in : 10.17181/CERN.I26X.V4VF
Fulltext: CERN-FCC-ACC-2025-0003 - PDF; 2505.00273 - PDF;
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Future Circular Collider Feasibility Study Report Volume 1 : Physics and Experiments
/ Benedikt, M. (CERN) ; Zimmermann, F. (CERN) ; Auchmann, B. (CERN ; PSI, Villigen) ; Bartmann, W. (CERN) ; Burnet, J.P. (CERN) ; Carli, C. (CERN) ; Chancé, A. (IRFU, Saclay) ; Craievich, P. (PSI, Villigen) ; Giovannozzi, M. (CERN) ; Grojean, C. (DESY ; Humboldt U., Berlin) et al.
Volume 1 of the FCC Feasibility Report presents an overview of the physics case, experimental programme, and detector concepts for the Future Circular Collider (FCC). This volume outlines how the FCC would address some of the most profound open questions in particle physics, from precision studies of the Higgs and EW bosons and of the top quark, to the exploration of physics beyond the Standard Model. [...]
arXiv:2505.00272; CERN-FCC-PHYS-2025-0002.-
Geneva : CERN, 2025 - 290 p.
- Published in : 10.17181/CERN.9DKX.TDH9
Fulltext: CERN-FCC-PHYS-2025-0002 - PDF; 2505.00272 - PDF;
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5.
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Overview of the FCC-ee beam instrumentation R
/ Mazzoni, Stefano (CERN) ; Boccardi, Andrea (CERN) ; Schloegelhofer, Andreas (CERN) ; Nosych, Andriy (CELLS - ALBA, LLS) ; Mueller, Anke-Susanne (KIT, Karlsruhe) ; Haerer, Bastian (KIT, Karlsruhe) ; Salvachua, Belen (CERN) ; Paroli, Bruno (U. Milan (main)) ; Zamantzas, Christos (CERN) ; Butti, Daniele (CERN) et al.
The talk shall present an overview of the FCC beam instrumentation needs, the corresponding main challenges. This will review the different R&D; activities being currently pursued, including Beam position and loss monitoring, Transverse and longitudinal monitoring systems as well as polarimetry and luminosity monitoring..
2024 - 4 p.
- Published in : JACoW IBIC 2024 (2024) TUAC2
Fulltext: PDF;
In : 13th International Beam Instrumentation Conference (IBIC 2024), Beijing, China, 9-13 Sep 2024, pp.TUAC2
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6.
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Investigations on NbTi superconducting racetrack coils under pulsed-current excitations
/ Abusaif, F (KIT, Karlsruhe) ; Bernhard, A (KIT, Karlsruhe) ; Bründermann, E (KIT, Karlsruhe) ; Gancarcik, D (KIT, Karlsruhe ; CERN) ; Glamann, N (KIT, Karlsruhe) ; Grau, A (KIT, Karlsruhe) ; Saez de Jauregui, D (KIT, Karlsruhe) ; Müller, A-S (KIT, Karlsruhe)
One of the key issues in the technology of superconductors is the protection against quenches. When designing a superconductor as a magnet, a coil or even current leads, the design should be made such that the superconductor withstands all operational conditions as fast discharges, pulsed loads or even rapid transient background fields.Computational modeling of pulsed-current characterization in a self-field NbTi racetrack sample coil has been performed using the finite element modelling software Opera as a step towards understanding the thermal and electromagnetic processes during a quench. [...]
2024 - 7 p.
- Published in : J. Phys. : Conf. Ser.: 2687 (2024) , no. 8, pp. 082015
- Published in : JACoW IPAC: 2023 (2023) , pp. WEPM070
Fulltext: PublicationJACoW - PDF; PublicationIOP - PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.082015
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EuPRAXIA – a compact, cost-efficient particle and radiation source
/ Weikum, M K (DESY) ; Akhter, T (INFN, Naples) ; Alesini, P D (LNF, Dafne Light) ; Alexandrova, A S (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Anania, M P (LNF, Dafne Light) ; Andreev, N E (Lebedev Inst. ; Moscow, MIPT) ; Andriyash, I (SOLEIL, Saint-Aubin) ; Aschikhin, A (DESY) ; Assmann, R W (DESY) ; Audet, T (LPGP, Orsay) et al.
Plasma accelerators present one of the most suitable candidates for the development of more compact particle
acceleration technologies, yet they still lag behind radiofrequency (RF)-based devices when it comes to beam quality,
control, stability and power efficiency. The Horizon 2020-funded project EuPRAXIA (“European Plasma Research
Accelerator with eXcellence In Applications”) aims to overcome the first three of these hurdles by developing a
conceptual design for a first international user facility based on plasma acceleration. [...]
2019 - 9 p.
- Published in : AIP Conf. Proc. 2160 (2019) 040012
In : 25th Conference on Application of Accelerators in Research and Industry (CAARI 2018), Grapevine, TX, United States, 12 - 17 Aug 2018, pp.040012
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8.
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Feedback design for control of the micro-bunching instability based on reinforcement learning
/ Boltz, T (KIT, Karlsruhe) ; Brosi, M (KIT, Karlsruhe) ; Bründermann, E (KIT, Karlsruhe) ; Haerer, B (KIT, Karlsruhe) ; Kaiser, P (KIT, Karlsruhe) ; Pohl, C (KIT, Karlsruhe) ; Schreiber, P (KIT, Karlsruhe) ; Yan, M (KIT, Karlsruhe) ; Asfour, T (KIT, Karlsruhe) ; Müller, A -S (KIT, Karlsruhe)
The operation of ring-based synchrotron light sources with short electron bunches increases the emission of coherent synchrotron radiation in the THz frequency range. However, the micro-bunching instability resulting from self-interaction of the bunch with its own radiation field limits stable operation with constant intensity of CSR emission to a particular threshold current. [...]
2020 - 3 p.
- Published in : 10.23732/CYRCP-2020-009.227
Fulltext: PDF;
In : ICFA mini-Workshop on Mitigation of Coherent Beam Instabilities in Particle Accelerators (MCBI 2019), Zermatt, Switzerland, 23 - 27 Sep 2019, pp.227-229 (CERN-2020-009)
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Systematic studies of the microbunching and weak instability at short bunch lengths
/ Brosi, M (KIT, Karlsruhe) ; Blomley, E (KIT, Karlsruhe) ; Boltz, T (KIT, Karlsruhe) ; Bründermann, E (KIT, Karlsruhe) ; Caselle, M (KIT, Karlsruhe) ; Gethmann, J (KIT, Karlsruhe) ; Kehrer, B (KIT, Karlsruhe) ; Papash, A.I. (KIT, Karlsruhe) ; Rota, L (KIT, Karlsruhe) ; Schönfeldt, P (KIT, Karlsruhe) et al.
At KARA, the Karlsruhe Research Accelerator of the Karlsruhe Institute of Technology synchrotron, the so-called short-bunch operation mode allows the reduction of the bunch length down to a few picoseconds. The microbunching instability resulting from the high degree of longitudinal compression leads to fluctuations in the emitted terahertz radiation. [...]
2020 - 5 p.
- Published in : 10.23732/CYRCP-2020-009.335
Fulltext: PDF;
In : ICFA mini-Workshop on Mitigation of Coherent Beam Instabilities in Particle Accelerators (MCBI 2019), Zermatt, Switzerland, 23 - 27 Sep 2019, pp.335 (CERN-2020-009)
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10.
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Diagnostics of longitudinal bunch instabilities at KARA
/ Kehrer, B (KIT, Karlsruhe) ; Brosi, M (KIT, Karlsruhe) ; Bründermann, E (KIT, Karlsruhe) ; Funkner, S (KIT, Karlsruhe) ; Nasse, M J (KIT, Karlsruhe) ; Niehues, G (KIT, Karlsruhe) ; Patil, M M (KIT, Karlsruhe) ; Steinmann, J L (KIT, Karlsruhe ; Argonne (main)) ; Müller, A S (KIT, Karlsruhe)
KARA, the Karlsruhe Research Accelerator, can be operated in different modes, including a short-bunch mode. During this mode, where the dispersion is stretched in order to reduce the momentum-compaction factor, micro-bunching instability can occur. [...]
2020 - 4 p.
- Published in : 10.23732/CYRCP-2020-009.137
Fulltext: PDF;
In : ICFA mini-Workshop on Mitigation of Coherent Beam Instabilities in Particle Accelerators (MCBI 2019), Zermatt, Switzerland, 23 - 27 Sep 2019, pp.137 (CERN-2020-009)
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