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First considerations on the supporting structures of FCC-ee booster and collider in the arc regions
/ Carra, F (CERN) ; Baudin, L (CERN) ; Bauche, J (CERN) ; Artoos, K (CERN) ; Atieh, S (CERN) ; Bertarelli, A (CERN) ; Brunner, O (CERN) ; Capatina, O (CERN) ; Chance, A (Saclay) ; Chemli, S (CERN) et al.
In 2022, the FCC Feasibility Study management mandated aworking group to analyse the best configuration of the FCC-ee tunnelin the arc regions, in view of the construction of a mock-up of thearc half-cell. One of the main and most challenging goals of thestudy, named FCC-ee Arc Half-Cell Mock-up Project, was toperform a preliminary investigation on the principles of supportingthe Short-Straight Sections and dipoles of the half-cells, both forthe booster and for the collider machines. [...]
2024 - 7 p.
- Published in : JINST 19 (2024) T02008
Fulltext: PDF;
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FCC-ee arc half-cell: preliminary design & integration studies, with ideas for a mock-up
/ Carra, F (CERN) ; Baudin, L (CERN) ; Bauche, J (CERN) ; Artoos, K (CERN) ; Atieh, S (CERN) ; Bertarelli, A (CERN) ; Brunner, O (CERN) ; Capatina, O (CERN) ; Chance, A (Saclay) ; Chemli, S (CERN) et al.
During 2022, a dedicated study was undertaken at CERN, together with FCC Feasibility Study collaborators, aimed at proposing a robust configuration for the FCC-ee arc half cell. The proposed configuration takes into account integration aspects of the elements in the arc cross section, both for the booster and the collider, as well as aspects related to powering, cooling and ventilation, supporting and alignment, optics, instrumentation, handling and installation. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) MOPL061
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.MOPL061
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The Second Long Shutdown of the LHC and Its Injectors: Feedback from the Accelerator Coordination and Engineering Group
/ Perrot, Anne-Laure (CERN) ; Bernardini, Marzia (CERN) ; Chemli, Samy (CERN) ; Corso, Jean-Pierre (CERN) ; Coupard, Julie (CERN) ; Dos Santos Pedrosa, Fernando (CERN) ; Etheridge, John (CERN) ; Foraz, Katy (CERN) ; Grillot, Serge (CERN) ; Jimenez, José (CERN) et al.
The operation of the Large Hadron Collider (LHC) at CERN started in September 2008. Every 5 or 6 years, Long Shutdowns (LS) are programmed to execute time-intensive ordinary and extra-ordinary maintenance of the LHC and its injectors [...]
2022 - 4 p.
- Published in : JACoW IPAC 2022 (2022) 2052-2055
Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.2052-2055
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Run3 Installation Coordination
/ Tock, Jean-Philippe (CERN) ; Bedel, Cyrille Patrick (CERN) ; Bernardini, Marzia (CERN) ; Etheridge, John Robert (CERN) ; Fessia, Paolo (CERN) ; Lambert, Anna (CERN) ; Loertscher, Yves (CERN) ; Masterson, Raoul (Ministere des affaires etrangeres et europeennes (FR)) ; Modena, Michele (CERN) ; Roesler, Stefan (CERN) et al.
After reminding the mandate and the scope of the Run3 Installation Coordinator, the Run3 team members and their respective assignments will be present-ed [...]
CERN-ACC-NOTE-2022-0037.
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2022. - 4 p.
Full text
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Programmed Stops Coordination: from Preparation to Completion
/ Vergara Fernandez, Estrella (CERN) ; Bernardini, Marzia (CERN) ; Chemli, Samy (CERN) ; Corso, Jean-Pierre (CERN) ; Coupard, Julie (CERN) ; Etheridge, John Robert (CERN) ; Grillot, Serge (CERN) ; Muttoni, Yvon (CERN) ; Nicquevert, Bertrand (CERN) ; Perrot, Anne-Laure (CERN) et al.
The exploitation of the CERN accelerator complex requires programmed stops of the operation, to execute various activities as standard maintenances, upgrades, consolidations and projects implementations [...]
CERN-ACC-NOTE-2022-0036.
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2022. - 5 p.
Full text
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The Beamlines of the CERN East Area Renovation Project
/ Bernhard, Johannes (CERN) ; Bonnet, Michel (CERN) ; Bouirek, Quentin (CERN) ; Brethoux, Damien (CERN) ; Carlsen, Bard (CERN) ; Ebn Rahmoun, Aboubakr (CERN) ; Etheridge, John (CERN) ; Evrard, Sebastien (CERN) ; Gatignon, Laurent (CERN) ; Harrouch, Erwan (CERN) et al.
The East Area at the Proton Synchrotron is one of CERN’s longest running facilities for experiments, beam tests, and irradiations with a successful history of over 55 years. The facility serves more than 20 user teams for about 200 days of running each year and offers mixed secondary hadron, electron and muon beams of 0.5 GeV/c to 10 GeV/c. [...]
2018 - 3 p.
- Published in : 10.18429/JACoW-IPAC2018-TUPAF023
Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.TUPAF023
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LHC Long Shutdown: A Parenthesis for a Challenge
/ Foraz, K (CERN) ; Arnaud, M (CERN) ; Barberan Marin, M (CERN) ; Bedel, C (CERN) ; Bernardini, M (CERN) ; Coupard, J (CERN) ; Etheridge, J (CERN) ; Gaillard, H (CERN) ; Grillot, S (CERN) ; Paulat, E (CERN) et al.
After three fruitful years of operation, the LHC will enter a long shutdown. Major works will be implemented to allow running safely at seven TeV/beam. [...]
CERN-ACC-2013-0276.-
Geneva : CERN, 2013 - 4 p.
- Published in : Conf. Proc.: C130512 (2013) , pp. TUPFI013
Published version from JaCoW: PDF;
In : 4th International Particle Accelerator Conference, Shanghai, China, 12 - 17 May 2013, pp.1355
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Safety Organisation : Part 2
/ Etheridge, J (CERN)
The objective of this paper is to outline the new safety structure that has been put in place for CERN in general, and the LHC shut down in particular; its general organization, introduce the key players, provides an insight into the safety documentation that is available to help everyone, explains what is required to carry out any form of intervention in the underground areas and provides feedback on our strong and weak points..
2009
Published version from CERN: PDF;
In : Chamonix 2009 Workshop on LHC Performance, Chamonix, France, 2 - 6 Feb 2009, pp.59-60
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