CERN Accelerating science

Future Circular Collider Documents

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2018-04-03
11:54
FUTURE CIRCULAR COLLIDER LOGISTICS STUDY / Beißert, Ulrike (IML) ; Horstmann, Konstantin (IML) ; Kuhlmann, Gerd (IML) ; Nettsträter, Andreas (IML) ; Prasse, Christian (IML) ; Wohlfahrt, Andreas (IML)
The Large Hadron Collider (LHC) at the European Organization for Nuclear Research CERN in Geneva is the largest and most powerful collider in the world. CERN and its research and experimental infrastructure is not only a focus for the science community but is also very much in the public eye [...]
CERN-ACC-2018-0012.- Geneva : CERN, 2018 Access to fulltext document: DOCX;

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2018-02-27
17:02
GPU-Powered Modelling of Nonlinear Effects due to Head-On Beam-Beam Interactions in High-Energy Hadron Colliders. / Furuseth, Sondre (EPFL - Ecole Polytechnique Federale Lausanne (CH))
The performance of high-energy circular hadron colliders, as the Large Hadron Collider, is limited by beam-beam interactions. The strongly nonlinear force between the two opposing beams causes diverging Hamiltonians and resonances, which can lead to a reduction of the lifetime of the beams. [...]
CERN-ACC-2018-0008.- Geneva : CERN, 2017 Fulltext: PDF;

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2018-01-30
16:57
An Open Modelling Approach for Availability and Reliability of Systems - OpenMARS / Penttinen, Jussi-Pekka ; Niemi, Arto (Tampere University of Technology (FI)) ; Gutleber, Johannes (CERN)
This document introduces and gives specification for OpenMARS, which is an open modelling approach for availability and reliability of systems. It supports the most common risk assessment and operation modelling techniques. [...]
CERN-ACC-2018-0006.- Geneva : CERN, 2018 Access to fulltext document: PDF;

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2018-01-29
15:33
HOM power in FCC-ee cavities / Karpov, Ivan (CERN) ; Calaga, Rama (CERN) ; Chapochnikova, Elena (CERN)
This Note summarizes the results of the power loss calculations for FCC-ee machines with 400.79 MHz cavity options. The requirements for the single-cell cavity design and for the operation with beam are obtained from the results for the high-current FCC-ee machine (Z). [...]
CERN-ACC-2018-0005.- Geneva : CERN, 2018 Fulltext: PDF;

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2017-09-05
18:45
Status of FCC-ee / FCC-hh: a story of synergy and complementarity / Blondel, Alain (Universite de Geneve (CH))
Presentation given during a lepton-photon conference
CERN-ACC-SLIDES-2017-0009.- Geneva : CERN, 2017 Fulltext: PDF;

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2017-08-29
16:16
Crystal collimator systems for high energy frontier / Sytov, Alexei (Universita di Ferrara & INFN (IT)) ; Tikhomirov, Viktor (Byelorussian State University (BY)) ; Lobko, Alexander (Byelorussian State University (BY))
Crystalline collimators can potentially considerably improve the cleaning performance of the presently used collimator systems using amorphous collimators. A crystal-based collimation scheme which relies on the channeling particle deflection in bent crystals has been proposed and extensively studied both theoretically and experimentally. [...]
CERN-ACC-2017-0084.- Geneva : CERN, 2017 - 11 p. - Published in : Phys. Rev. Accel. Beams 20 (2017) 071001 Fulltext: PDF;
In : 2nd Annual Meeting of the Future Circular Collider study 2016, Rome, Italy, 11 - 15 Apr 2016

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2017-08-29
16:08
Magnetic refrigeration down to 1.6 K for the future circular collider e$^+$e$^-$ / Tkaczuk, Jakub (CEA (FR)) ; Millet, Francois ; Rousset, Bernard (CEA (FR)) ; Duval, Jean Marc (CEA (FR))
High-field superconducting rf cavities of the future circular collider e+e− may require a kW-range superfluid helium refrigeration down to 1.6 K. Magnetic refrigeration operating below 4.2 K can be an alternative to the compression/expansion helium refrigeration. [...]
CERN-ACC-2017-0082.- Geneva : CERN, 2017 - Published in : Phys. Rev. Accel. Beams 20 (2017) 041001 Fulltext: PDF;
In : 2nd Annual Meeting of the Future Circular Collider study 2016, Rome, Italy, 11 - 15 Apr 2016

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2017-08-29
15:42
Impact of process parameters and design options on heat leaks of straight cryogenic distribution lines / Duda, Pawel (Wroclaw University of Technology (PL)) ; Chorowski, Maciej Pawel ; Polinski, J (Wroclaw University of Technology (PL))
The Future Circular Collider (FCC) accelerator will require a helium distribution system that will exceed the presently exploited transfer lines by almost 1 order of magnitude. The helium transfer line will contain five process pipes protected against heat leaks by a common thermal shield. [...]
CERN-ACC-2017-0081.- Geneva : CERN, 2017 - Published in : Phys. Rev. Accel. Beams 30 (2017) 033202 Fulltext: PDF;
In : 2nd Annual Meeting of the Future Circular Collider study 2016, Rome, Italy, 11 - 15 Apr 2016

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2017-08-29
15:35
Quench protection analysis integrated in the design of dipoles for the Future Circular Collider / Salmi, Tiina (Tampere U. of Tech.) ; Stenvall, Antti (Tampere U. of Tech.) ; Prioli, Marco (CERN) ; Ruuskanen, Janne (Tampere U. of Tech.) ; Verweij, Arjan (CERN) ; Auchmann, Bernhard (CERN) ; Tommasini, Davide (CERN) ; Schoerling, Daniel (CERN) ; Lorin, Clement (Saclay) ; Toral, Fernando (Madrid, CIEMAT) et al.
The EuroCirCol collaboration is designing a 16 T Nb3Sn dipole that can be used as the main bending magnet in a 100 km long 100 TeV hadron-hadron collider. For economic reasons, the magnets need to be as compact as possible, requiring optimization of the cable cross section in different magnetic field regions. [...]
CERN-ACC-2017-0080.- Geneva : CERN, 2017 - Published in : Phys. Rev. Accel. Beams 20 (2017) 032401 Fulltext: PDF;
In : 2nd Annual Meeting of the Future Circular Collider study 2016, Rome, Italy, 11 - 15 Apr 2016

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2017-08-29
15:32
Dump system concepts for the Future Circular Collider / Bartmann, Wolfgang (CERN) ; Atanasov, Miroslav Georgiev (CERN) ; Barnes, Mike (CERN) ; Borburgh, Jan (CERN) ; Burkart, Florian (CERN) ; Goddard, Brennan (CERN) ; Kramer, Thomas (CERN) ; Lechner, Anton (CERN) ; Sanz Ull, Alejandro (Eindhoven Technical University (NL)) ; Schmidt, Rudiger et al.
The Future Circular Collider (FCC-hh) beam dump system must provide a safe and reliable extraction and dilution of the stored beam onto a dump absorber. Energy deposition studies show that damage limits of presently used absorber materials will already be reached for single bunches at 50 TeV. [...]
CERN-ACC-2017-0079.- Geneva : CERN, 2017 - Published in : Phys. Rev. Accel. Beams 20 (2017) 031001 Fulltext: PDF;
In : 2nd Annual Meeting of the Future Circular Collider study 2016, Rome, Italy, 11 - 15 Apr 2016

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Future Circular Collider draft documents (54) [περιορισμένο]