CERN Accelerating science

R&D and Studies

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2016-01-13
13:47
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-2016-005.- Geneva : CERN, 2016 Fulltext: PDF;
In : 12th International Topical Meeting on Nuclear Applications of Accelerators, Washington, Dc, United States, 10 - 13 Nov 2015

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2016-01-12
10:33
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-2016-004.- 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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2016-01-08
15:26
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-2016-003.- 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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2015-12-09
16:48
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-2015-166.- 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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2015-12-04
18:09
Future Circular Colliders / Benedikt, Michael (CERN) ; Zimmermann, Frank (CERN)
In response to a request from the 2013 Update of the European Strategy for Particle Physics, the global Future Circular Collider (FCC) study is preparing the foundation for a next-generation large-scale accelerator infrastructure in the heart of Europe. The FCC study focuses on the design of a 100-TeV hadron collider (FCC-hh), to be accommodated in a new ∼100 km tunnel near Geneva. [...]
CERN-ACC-2015-165.- Geneva : CERN, 2015 Fulltext: PDF;
In : 27th International Symposium on Lepton Photon Interactions at High Energies, Ljubljana, Slovenia, 17 - 22 Aug 2015

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2015-12-04
17:49
Future Circular Colliders / Benedikt, Michael (CERN) ; Zimmermann, Frank (CERN)
In response to a request from the 2013 Update of the European Strategy for Particle Physics, the global Future Circular Collider (FCC) study is preparing the foundation for a next-generation large-scale accelerator infrastructure in the heart of Europe. The FCC study focuses on the design of a 100-TeV hadron collider (FCC-hh), to be accommodated in a new ∼100 km tunnel near Geneva. [...]
CERN-ACC-2015-164.- Geneva : CERN, 2015 Fulltext: PDF;
In : Future Research Infrastructures: Challenges and Opportunities, Varenna, Italy, 8 - 11 Jul 2015

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2015-10-13
23:42
The International Linear Collider Progress Report 2015 / Evans, Lyn (Imperial Coll., London) ; Yamamoto, Akira (KEK, Tsukuba)
N/A
CERN-ACC-2015-0131 ; IRFU-15-32 ; DESY-15-146 ; FERMILAB-TM-2609 ; IHEP-AC-2015-003 ; IUAC-ILC-2015-01 ; JAI-2015-001 ; JLAB-R-2015-01 ; KEK-2015-004 ; LAL-15-400 ; SLAC-R-1056.
- 2015. - 36 p.
Full text

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2015-10-13
17:20
Preliminary Collider Baseline Parameters: Deliverable D1.1 / Schulte, Daniel (CERN)
This deliverable provides a preliminary specification of the layout and target operation parameters for the FCC-hh hadron collider concept. They serve as starting point for the studies in all work packages. [...]
CERN-ACC-2015-132.- Geneva : CERN, 2015 Fulltext: PDF;

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2015-10-07
16:33
Faster ramp of LHC for use as an FCC High Energy hadron Booster / Milanese, A (CERN) ; Goddard, B (CERN) ; Solfaroli Camillocci, Matteo (CERN)
This note examines the feasibility of ramping the LHC magnets faster than the present operation, in view of a reuse of LHC as a High Energy hadron Booster. Such a synchrotron would inject 3.3 TeV beams into a larger Future Circular Collider. [...]
CERN-ACC-2015-133.- Geneva : CERN, 2015 Access to fulltext document: PDF;

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2015-10-07
15:42
Beam Dynamics Challenges for FCC-ee / Zimmermann, Frank (CERN) ; Benedikt, Michael (CERN) ; Oide, Katsunobu (KEK, Tsukuba) ; Bogomyagkov, Anton (Novosibirsk, IYF) ; Levichev, Evgeny (Novosibirsk, IYF) ; Migliorati, Mauro (INFN, Rome ; Roma U.) ; Wienands, Uli (CERN)
The goals of FCC-ee include reaching luminosities of up to a few 1036 cm-2s-1 per interaction point at the Z pole or some 1034 cm-2s-1 at the ZH production peak, and pushing the beam energy up to ≥175 GeV, in a ring of 100 km circumference, with a total synchrotron-radiation power not exceeding 100 MW. A parameter baseline as well as high-luminosity crab-waist options were described in [1] and [2], respectively. [...]
CERN-ACC-2015-113.- Geneva : CERN, 2015 Fulltext: CERN-ACC-2015-113 - PDF; challenges-FCC-ee-July2015-v9 - DOCX;

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Future Circular Collider Documents (44)