CERN Accelerating science

CERN Yellow Report Articles

See also CERN Yellow Reports collection
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2022-04-09
06:16
Chapter 6: Energy-recovery linacs / Klein, M (Freiburg U.) ; Hutton, A (Jefferson Lab) ; Angal-Kalinin, D (Daresbury) ; Aulenbacher, K (Mainz U.) ; Bogacz, A (Jefferson Lab) ; Hoffstaetter, G (Cornell U. ; Brookhaven Natl. Lab.) ; Jensen, E (CERN) ; Kaabi, W (IJCLab, Orsay) ; Kayran, D (Brookhaven Natl. Lab.) ; Knobloch, J (U. Siegen (main) ; Darmstadt, Tech. U.) et al.
Energy Recovery is at the threshold of becoming a key means for the advancement of accelerators. Recycling the kinetic energy of a used beam for accelerating a newly injected beam, i.e. [...]
2022 - 43 p. Fulltext: PDF;
In : European Strategy for Particle Physics - Accelerator R&D Roadmap, pp.185-227

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2022-04-09
06:16
Chapter 9: Conclusion / Newbold, D (Rutherford)
In accordance with the recommendations of the 2020 update of the European Strategy for Particle Physics, the European Laboratory Directors Group has completed a year-long process to determine the status and prospects of particle accelerator R&D; in five key areas, and has proposed R&D; objectives for the next five-to-ten years with an outline delivery plan to achieve them. The analysis and planning have been conducted by five expert panels, with membership from the European and international field. [...]
2022 - 6 p. Fulltext: PDF;
In : European Strategy for Particle Physics - Accelerator R&D Roadmap, pp.249-254

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2022-04-09
06:16
Chapter 7: R&D programmes oriented towards specific future facilities : Section 7.3: CLIC-specific R&D programme / Burrows, P N (JAI, UK) ; Faus-Golfe, A (IJCLab, Orsay) ; Schulte, D (CERN) ; Stapnes, S (CERN)
The Compact Linear Collider (CLIC) is a multi-TeV high-luminosity linear e$^{+}$e$^{−}$ collider under development by the CLIC accelerator collaboration, hosted by CERN. The CLIC accelerator has been optimised for three energy stages at centre-of-mass energies 380 GeV, 1.5 TeV and 3 TeV. [...]
2022 - 5 p. Fulltext: PDF;
In : European Strategy for Particle Physics - Accelerator R&D Roadmap, pp.239-243

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2022-04-09
06:16
Chapter 8: Sustainability considerations / Roser, T (Brookhaven Natl. Lab.) ; Seidel, M (PSI, Villigen ; Ecole Polytechnique, Lausanne)
Scarcity of resources, along with climate change originating from the excessive exploitation of fossil energy are ever growing concerns for humankind. Particularly, the total electric power consumption of scientific facility operations will become more important as the reliance on fossil fuels is being reduced, carbon-neutral energy sources are still being developed and a larger part of the energy consumption is converted from fossil fuel to electric power. [...]
2022 - 3 p. Fulltext: PDF;
In : European Strategy for Particle Physics - Accelerator R&D Roadmap, pp.245-247

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2022-04-09
06:16
Chapter 7: R&D; programmes oriented towards specific future facilities : Section 7.2: ILC-specific R&D; programme / Michizono, S (KEK, Tsukuba) ; Nakada, T (Ecole Polytechnique, Lausanne) ; Stapnes, S (CERN)
The International Linear Collider (ILC) is an electron-positron collider with a collision energy of 250 GeV (total length of approximately 20 km). The design study for the ILC for a collision energy of 500 GeV started in 2004, and the technical design report (TDR) was published by the Global Design Effort (GDE) international team in 2013. [...]
2022 - 4 p. Fulltext: PDF;
In : European Strategy for Particle Physics - Accelerator R&D Roadmap, pp.235-238

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2022-04-09
06:16
Chapter 7: R&D; programmes oriented towards specific future facilities : Section 7.1: The FCC-ee R&D; programme / Benedikt, M (CERN) ; Blondel, A (KEK, Tsukuba) ; Brunner, O (CERN) ; Janot, P (CERN) ; Jensen, E (CERN) ; Koratzinos, M (MIT) ; Losito, R (CERN) ; Oide, K (KEK, Tsukuba) ; Raubenheimer, T (SLAC ; Novosibirsk, IYF) ; Zimmermann, F (CERN)
In summer 2021, the Future Circular Collider Feasibility Study was launched. The FCC-ee builds on 60 years of operating colliding beam storage rings. The design is robust and will provide high luminosity over the desired centre-of-mass energy range from 90 to 365 GeV. [...]
2022 - 6 p. Fulltext: PDF;
In : European Strategy for Particle Physics - Accelerator R&D Roadmap, pp.229-234

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2022-04-08
06:07
Chapter 5: Bright muon beams and muon colliders / Schulte, D (CERN) ; Palmer, M (Brookhaven Natl. Lab.) ; Arndt, T (KIT, Karlsruhe) ; Chancé, A (Saclay) ; Delahaye, J P (CERN) ; Faus-Golfe, A (IJCLab, Orsay) ; Gilardoni, S (CERN) ; Lebrun, P (KIT, Karlsruhe) ; Long, K (Rutherford ; Imperial Coll., London) ; Métral, E (CERN) et al.
The muon collider offers a path toward high-energy, high-luminosity lepton collisions that extends beyond the expected reach of electron-positron colliders and would be competitive in physics reach with proton colliders at the highest energies. Nonetheless, several challenging elements of muon collider technology must be more fully addressed to achieve a maturity level commensurate with linear colliders. [...]
2022 - 39 p. Fulltext: PDF;
In : European Strategy for Particle Physics - Accelerator R&D Roadmap, pp.145-183

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2022-04-08
06:07
Chapter 1: Introduction / Newbold, D (Rutherford)
The 2020 update of the European Strategy for Particle Physics Update (ESPPU) outlined the current status and prospects in the field, and identified priorities for future particle physics accelerator facilities. In time order, these are: completion and commissioning of the CERN High Luminosity LHC (HL-LHC); a future electron-positron Higgs factory; and a future hadron collider at the highest achievable energy and luminosity. It is recognised in the community, and was acknowledged in the ESPPU, that construction of the next generations of colliders will be extremely challenging. [...]
2022 - 7 p. Fulltext: PDF;
In : European Strategy for Particle Physics - Accelerator R&D Roadmap, pp.1-7

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2022-04-08
06:07
Chapter 2: High-field magnets / Védrine, P (Saclay) ; García-Tabarés, L (Madrid, CIEMAT) ; Auchmann, B (PSI, Villigen) ; Ballarino, A (CERN) ; Baudouy, B (Saclay) ; Bottura, L (CERN) ; Fazilleau, P (Saclay) ; Noe, M (KIT, Karlsruhe) ; Prestemon, S (LBNL, Berkeley) ; Rochepault, E (Saclay) et al.
High-field magnets (HFM) are among the key technologies that will enable the search for new physics at the energy frontier. Approved projects (HL-LHC) and potential future circular machines such as proton-proton Future Circular Collider (FCC-hh) and Super proton-proton Collider (SppC) require the development of superconducting (SC) magnets that produce fields beyond those attained in the LHC.The programme proposed here rests on the results achieved over the past twenty years of European and international programmes devoted to Nb$_{3}$Sn and HTS accelerator magnets, such as CARE, EuCARD, EuCARD2, ARIES and the recently launched I-FAST. [...]
2022 - 51 p. Fulltext: PDF;
In : European Strategy for Particle Physics - Accelerator R&D Roadmap, pp.9-59

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2022-04-08
06:07
Chapter 3: High-gradient RF structures and systems / Bousson, S (IJCLab, Orsay) ; Weise, H (DESY) ; Burt, G (Lancaster U. (main)) ; Devanz, G (Saclay) ; Gallo, A (LNF, Dafne Light) ; Gerigk, F (CERN) ; Grudiev, A (CERN) ; Longuevergne, D (IJCLab, Orsay) ; Proslier, T (Saclay) ; Ruber, R (Uppsala U. (main))
Radio frequency (RF) systems are the workhorse of most particle accelerators and achieve high levels of performance and reliability. Despite five decades of improvement the community is still advancing RF performance with several novel developments. [...]
2022 - 30 p. Fulltext: PDF;
In : European Strategy for Particle Physics - Accelerator R&D Roadmap, pp.61-90

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