CERN Accelerating science

R&D and Studies

Latest additions:
Cryogenics for high-energy particle accelerators: highlights from the first fifty years / Lebrun, Philippe (CERN)
Applied superconductivity has become a key technology for high-energy particle accelerators, allowing to reach higher beam energy while containing size, capital expenditure and operating costs. [...]
- 2016. - 12 p.
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Preliminary arc optics and lattice files: Milestone M2.2 / Chance, Antoine
This document describes the organisation of the optics file repository, how it can be accessed and explains, how the configuration is managed..
CERN-ACC-2016-0032.- Geneva : CERN, 2016 Fulltext: PDF;

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Preliminary EIR optics and lattice files: Milestone M3.2 / Seryi, Andrei (University of Oxford (GB))
This document describes the preliminary optics for the experimental insertion region, presented in the form of lattice files to provide a baseline for studying radiation effects, machine detector interface and beam-beam interactions as well as an optimised design for a smooth transit from injection to collision optics. The lattice files are kept in a repository together with the arc optics files..
CERN-ACC-2016-0031.- Geneva : CERN, 2016 Fulltext: PDF;

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Baseline specifications and assumptions for accelerator magnet: Milestone M5.2 / Tommasini, Davide (CERN)
Preliminary set of specifications for an accelerator main dipole magnet, suitable for performing a comparative evaluation of different design options established under the same basis.
CERN-ACC-2016-0030.- Geneva : CERN, 2016 Fulltext: PDF;

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High Gradient $Nb_3Sn$ Quadrupole Demonstrator MKQXF Engineering Design / Kokkinos, C (FEAC Engineering P.C.) ; Karppinen, Mikko (CERN)
A new mechanical design concept for the $Nb_3Sn$ quadrupoles has been developed with a goal of an accelerator quality magnet that can be industrially produced in large series. [...]
- 2016. - 46 p.
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Containment and resolution of hadronic showers at the FCC / Solans Sanchez, Carlos (CERN) ; Helsens, Clement (CERN) ; Carli, Tancredi (CERN) ; Henriques Correia, Ana Maria (CERN)
The particles produced at a potential Future Circular Collider with $\sqrt{s}$ = 100 TeV are of unprecented energies. In this document we present the hadronic shower containment and resolution parametrizations based on Geant4 simulations for the Hadronic calorimetry needed for conceptual detector design at this energy. [...]
CERN-ACC-2016-0018.- Geneva : CERN, 2016 Fulltext: PDF;

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Status and Challenges of the Future Circular Collider Study / Benedikt, Michael (CERN) ; Zimmermann, Frank (CERN)
Following the 2013 update of the European Strategy for Particle Physics, the international Future Circular Collider (FCC) study has been launched by CERN as host institute, to design an energy frontier hadron collider (FCC-hh) in a new 80-100 km tunnel with a centre-of-mass energy of about 100 TeV, an order of magnitude above the LHC's, as a long-term goal. The FCC study also includes the design of a 90-350 GeV high-luminosity lepton collider (FCC-ee) fitting the same tunnel, serving as Higgs, top and Z factory, as a potential intermediate step, as well as an electron-proton collider option (FCC-he). [...]
CERN-ACC-2016-0005.- Geneva : CERN, 2016 Fulltext: PDF;
In : 12th International Topical Meeting on Nuclear Applications of Accelerators, Washington, DC, USA, 10 - 13 Nov 2015

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Towards Future Circular Colliders / Benedikt, Michael (CERN) ; Zimmermann, Frank (CERN)
The Large Hadron Collider (LHC) at CERN presently provides proton-proton collisions at a centre-of-mass (c.m.) energy of 13 TeV. The LHC design was started more than 30 years ago, and its physics programme will extend through the second half of the 2030’s. [...]
CERN-ACC-2016-0004.- Geneva : CERN, 2015 Fulltext: PDF;
In : 19th International Conference on Accelerators and Beam Utilizations, Gyeongju, Republic Of Korea, 4 - 6 Nov 2015

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Potential Remedies for the High Synchrotron-Radiation-Induced Heat Load for Future Highest-Energy-Proton Circular Colliders / Cimino, Roberto (Frascati ; CERN) ; Baglin, Vincent (CERN) ; Schaefers, Franz (Helmholtz-Zentrum, Berlin)
We propose a new method for handling the high synchrotron radiation (SR) induced heat load of future circular hadron colliders (like FCC-hh). FCC-hh are dominated by the production of SR, which causes a significant heat load on the accelerator walls. [...]
CERN-ACC-2016-0003.- Geneva : CERN, 2015 - 6 p. - Published in : Phys. Rev. Lett. 115 (2015) 264804 APS Open Access article: PDF;
In : 1st Annual Meeting of the Future Circular Collider study, Washington, DC, USA, 23 - 27 Mar 2015, pp.264804

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Optimizing integrated luminosity of future hadron colliders / Benedikt, Michael (CERN) ; Schulte, Daniel (CERN) ; Zimmermann, Frank (CERN)
The integrated luminosity, a key figure of merit for any particle-physics collider, is closely linked to the peak luminosity and to the beam lifetime. The instantaneous peak luminosity of a collider is constrained by a number of boundary conditions, such as the available beam current, the maximum beam-beam tune shift with acceptable beam stability and reasonable luminosity lifetime (i.e., the empirical “beam-beam limit”), or the event pileup in the physics detectors. [...]
CERN-ACC-2015-0166.- Geneva : CERN, 2015 - 19 p. - Published in : Phys. Rev. Spec. Top. Accel. Beams 18 (2015) 101002 APS Open Access article: PDF;

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Future Circular Collider Documents (49)