CERN Accelerating science

CERN Document Server 2,049 elementer funnet  1 - 10nesteslutt  gå til element: Søket tok 0.32 sekunder. 
1.
FCC-ee Operation Model, Availability & Performance / Zimmermann, Frank (CERN) ; Apollonio, Andrea (CERN) ; Benedikt, Michael (CERN) ; Brunner, Olivier (CERN) ; Funakoshi, Yoshihiro (KEK, Tsukuba) ; Milardi, Catia (Frascati) ; Myers, Stephen (CERN) ; Niemi, Arto (Tampere U. of Tech.) ; Oide, Katsunobu (KEK, Tsukuba) ; Qin, Qing (Beijing, Inst. High Energy Phys.) et al.
This document discusses the machine parameters and expected luminosity performance for the proposed future circular lepton collider FCC-ee. Particular emphasis is put on availability, physics run time, and efficiency. [...]
JACOW, 2019 - 7 p. - Published in : 10.18429/JACoW-eeFACT2018-WEPAB03 Fulltext: PDF;
In : 62nd ICFA Advanced Beam Dynamics Workshop on High Luminosity Circular e+e− Colliders, Hong Kong, China, 24 - 27 Sep 2018, pp.WEPAB03
2.
Towards a Common Reliability & Availability Information System for Particle Accelerator Facilities / Höppner, Klaus (HITS, Heidelberg) ; Gutleber, Johannes (CERN) ; Haberer, Thomas (HITS, Heidelberg) ; Humer, Heinrich (TU Vienna) ; Niemi, Arto (CERN) ; Pasic, Kemal (HITS, Heidelberg) ; Peters, Andreas (HITS, Heidelberg)
Failure event and maintenance record based data collection systems have a long tradition in industry. Today, the particle accelerator community does not possess a common platform that permits storing and sharing reliability and availability information in an efficient way. [...]
2020 - 4 p. - Published in : 10.18429/JACoW-ICALEPCS2019-MOPHA063 Fulltext: PDF;
In : 17th Biennial International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS), New York, United States, 5 - 11 Oct 2019, pp.356
3.
Several Topics on Beam Dynamics in FCC-ee / Oide, Katsunobu (KEK, Tsukuba) ; Aumon, Sandra (CERN) ; Charles, Tessa (CERN) ; El Khechen, Dima (CERN) ; Shatilov, Dmitry (Novosibirsk, IYF) ; Tydecks, Tobias (CERN)
The FCC-ee is a double-ring $e^+e^-$ collider to be installed in a common tunnel of∼ 100km circumference, as a po- tential first step before the FCC-hh hadron collider. Several studies on the beam dynamics at FCC-ee: low emittance tuning, dynamic aperture, beam blowup with/without beam beam, are introduced in the paper..
JACOW, 2019 - 5 p. - Published in : 10.18429/JACoW-eeFACT2018-MOYAA01 Fulltext: PDF;
In : 62nd ICFA Advanced Beam Dynamics Workshop on High Luminosity Circular e+e− Colliders, Hong Kong, China, 24 - 27 Sep 2018, pp.MOYAA01
4.
Electron Cloud Studies in FCC-ee / Belli, Eleonora (CERN) ; Costa Pinto, Pedro (CERN) ; Migliorati, Mauro (Rome U. ; INFN, Rome) ; Rumolo, Giovanni (CERN) ; Sinkovits, Theo (CERN) ; Taborelli, Mauro (CERN)
Electron cloud effects are one of the most critical aspects for the LHC and the future circular colliders. In the frame of the electron-positron collider FCC-ee, an estimation of the electron cloud build up in the machine will be discussed in this paper. [...]
IPAC-2018-MOPMK012.- 2018 - 4 p. - Published in : 10.18429/JACoW-IPAC2018-MOPMK012 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.MOPMK012
5.
Progress in the Design of Beam Optics for FCC-ee Collider Ring* / Oide, Katsunobu (KEK, Tsukuba) ; Benedikt, Michael (CERN) ; Blondel, Alain (Geneva U.) ; Bogomyagkov, Anton (Novosibirsk, IYF) ; Boscolo, Manuela (Frascati) ; Burkhardt, Helmut (CERN) ; Holzer, Bernhard (CERN) ; Koratzinos, Michael (Geneva U.) ; Levichev, Evgeny (Novosibirsk, IYF) ; Milanese, Attilio (CERN) et al.
The beam optics for the FCC-ee collider has been updated: (a) the layout is adjusted to a new footprint of FCC-hh, (b) the design around the interaction point is refined considering a number of machine-detecor interface issues, (c) the arc lattice is refined taking realistic magnet designs into account, (d) the β^{*} and betatron tunes are re-optimized according to recent results of the beam-beam simulations, and more. These changes make the collider design more realistic without performance degradation..
CERN-ACC-2017-291.- 2017 - 4 p. - Published in : 10.18429/JACoW-IPAC2017-TUOCB1 Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.2287348
6.
HOM damping options for the Z-pole operating scenario of FCC-ee / Gorgi Zadeh, Shahnam (U. Rostock) ; Calaga, Rama (CERN) ; Flisgen, Thomas (Berlin FBI) ; van Rienen, Ursula (U. Rostock)
The Z-pole option of FCC-ee is an Ampere class machine with a beam current of 1.39 A. Due to high HOM power and strong HOM damping requirements, the present baseline of FCC-ee considers a single-cell cavity at 400 MHz. [...]
CERN-ACC-2019-154.- 2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-MOPRB006 Preprint: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.MOPRB006
7.
FCC-ee Hybrid RF Scheme / Gorgi Zadeh, Shahnam (Rostock U.) ; Calaga, Rama (CERN) ; Gerigk, Frank (CERN) ; van Rienen, Ursula (Rostock U.)
For FCC-ee, the range of beam energies and beam currents is large between each mode of operation, all scaled to an available 50 MW maximum power per beam. The two limiting scenarios for the RF system design are at low energy (45 GeV) with high beam current (1.45 A) and the highest energy (182.5 GeV) with a radiation loss reaching 8.92 GeV per turn. [...]
CERN-ACC-2018-167.- 2018 - 3 p. - Published in : 10.18429/JACoW-IPAC2018-MOPMF036 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.MOPMF036
8.
Advanced Beam Dump for FCC-ee / Apyan, Armen (NAS Armenia, Yerevan) ; Goddard, Brennan (CERN) ; Oide, Katsunobu (KEK, Tsukuba) ; Zimmermann, Frank (CERN)
A modified beam dump for the future electron positron circular collider FCC-ee is discussed. The extraction line with a dilution kicker system distributes bunches at different transverse locations on the face of the beam dump. [...]
CERN-ACC-2017-294.- 2017 - 4 p. - Published in : 10.18429/JACoW-IPAC2017-WEPIK001 Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.WEPIK001
9.
New High Luminosity LHC Baseline and Performance at Ultimate Energy / Medina Medrano, Luis (Guanajuato U. ; CERN) ; Apollonio, Andrea (CERN) ; Arduini, Gianluigi (CERN) ; Brüning, Oliver (CERN) ; Giovannozzi, Massimo (CERN) ; Papadopoulou, Stefania (CERN) ; Papaphilippou, Yannis (CERN) ; Redaelli, Stefano (CERN) ; Tomás, Rogelio (CERN)
The LHC machine is envisioned to operate eventually at an ultimate beam energy of 7.5 TeV at the end of LHC Run 4, i.e. after commissioning of the HL-LHC systems, a stage falling into the High Luminosity LHC (HL-LHC) era [...]
CERN-ACC-2018-069.- 2018 - 4 p. - Published in : 10.18429/JACoW-IPAC2018-MOPML009 Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.MOPML009
10.
Constraints on the FCC-ee Lattice from the Compatibility with the FCC Hadron Collider / Haerer, Bastian (CERN ; KIT, Karlsruhe, IPE) ; Bartmann, Wolfgang (CERN) ; Benedikt, Michael (CERN) ; Holzer, Bernhard (CERN) ; Osborne, John (CERN) ; Schulte, Daniel (CERN) ; Tomás, Rogelio (CERN) ; Wenninger, Jorg (CERN) ; Zimmermann, Frank (CERN) ; Syphers, Michael (Michigan State U., NSCL) et al.
Following the recommendations of the European Strategy Group for High Energy Physics, CERN started the Future Circular Collider Study (FCC), a design study for possible future circular collider projects to investigate their feasibility for high energy physics research. The FCC Study covers three different machines with a circumference of 100 km: an electron positron collider with collision energy in the range of 91 GeV to 350 GeV (FCC-ee), a proton proton collider with a maximum energy of 100 TeV (FCC-hh) and an electron proton option (FCC-he). [...]
2015 - 4 p. - Published in : (2015) , pp. FRT2A1 Fulltext: PDF; External link: JACOW
In : 55th ICFA Advanced Beam Dynamics Workshop on High Luminosity Circular e+e- Colliders – Higgs Factory, Beijing, China, 09 - 12 Oct 2014, pp.FRT2A1

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