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Integration of FCC-ee RF systems targets and challenges
/ Valchkova-Georgieva, Fani (Unlisted, CH) ; Brunner, Olivier (CERN) ; Burnet, Jean-Paul (CERN) ; Coupard, Julie (CERN) ; Hanke, Klaus (CERN) ; Parma, Vittorio (CERN) ; Peauger, Franck (CERN)
Following the study progress on the FCC-ee radiofrequency systems (i.e. length of the cryomodules), general services infrastructure (i.e. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) THPS49
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.THPS49
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2.
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Mechanical Consolidation of the LHC Inner Triplet Magnet Supporting System for Remote Alignment
/ Micolon, Frederic (CERN) ; Bourcey, Nicolas (CERN) ; Deschamps, Jean-Baptiste (CERN) ; Herty, Andreas (CERN) ; Le Naour, Sandrine (CERN) ; Mikkola, Tommi (CERN) ; Parma, Vittorio (CERN) ; Ramos, Delio (CERN) ; Rude, Vivien (CERN) ; Sosin, Mateusz (CERN)
Given the high radiation area and the tight alignment tolerances, the LHC inner triplet magnets were designed to be realigned remotely using motorized supporting jacks. However, during run 2 the LHC triplet realignment system started to show an unexpected behavior with erratic load variations on the magnet supporting jacks when operated [...]
Geneva : JACoW, 2021 - 3 p.
- Published in : JACoW IPAC 2021 (2021) 2207-2209
Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.2207-2209
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3.
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Updated High-Energy LHC design
/ Zimmermann, Frank (CERN) ; Abelleira, Jose Luis (JAI, UK) ; Abramov, Andrey (JAI, UK ; Royal Holloway, U. of London) ; Amorim, David (CERN) ; Antipov, Sergey (CERN) ; Apyan, Armen (Yerevan Phys. Inst.) ; Arsenyev, Sergey (CERN) ; Barranco, Javier (Ecole Polytechnique, Lausanne) ; Benedikt, Michael (CERN) ; Bruce, Roderik (CERN) et al.
We present updated design parameters for a future High-Energy LHC. A more realistic turnaround time has led to a revision of the target peak luminosity, as well as a choice of a larger IP beta function, and longer physics fills. [...]
CERN-ACC-2019-089.-
2019 - 4 p.
- Published in : 10.18429/JACoW-IPAC2019-MOPMP037
Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.MOPMP037
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4.
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5.
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Lessons learned from the HIE-Isolde cavity production and cryomodule commissioning
/ Venturini Delsolaro, Walter (CERN) ; Artoos, Kurt (CERN) ; Capatina, Ofelia (CERN) ; Dr Schirm, Karl-Martin (CERN) ; Kadi, Yacine (CERN) ; Leclercq, Yann (CERN) ; Miyazaki, Akira (CERN) ; Montesinos, Eric (CERN) ; Parma, Vittorio (CERN) ; Rosaz, Guillaume (CERN) et al.
The HIE-ISOLDE superconducting linac started opera- tions at CERN in 2015 with a first cryomodule hosting five superconducting quarter wave resonators (QWR). These cavities are based on the Nb/Cu technology. [...]
2018 - 7 p.
- Published in : 10.18429/JACoW-SRF2017-TUXAA02
External link: Fulltext
In : 18th International Conference on RF Superconductivity, Lanzhou, China, 17 - 21 Jul 2017, pp.TUXAA02
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6.
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High-Energy LHC Design
/ Zimmermann, Frank (CERN) ; Abelleira, Jose Luis (JAI, UK) ; Amorim, David (CERN) ; Antipov, Sergey (CERN) ; Apyan, Armen (Yerevan Phys. Inst.) ; Arsenyev, Sergey (CERN) ; Barranco García, Javier (Ecole Polytechnique, Lausanne) ; Benedikt, Michael (CERN) ; Bruce, Roderik (CERN) ; Burkart, Florian (DESY) et al.
In the frame of the FCC study we are designing a 27 TeV hadron collider in the LHC tunnel, called the High Energy LHC (HE-LHC)..
CERN-ACC-2018-150.-
2018 - 8 p.
- Published in : (2018) , pp. MOPMF064
- Published in : J. Phys.: Conf. Ser. 1067 (2018) 022009
Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.MOPMF064
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7.
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Cryogenic safety in helium cryostats at CERN
/ Parma, Vittorio (CERN) ; Leclercq, Yann (CERN)
Cryostats contain large cold surfaces, cryogenic fluids, and sometimes large stored energy (e.g. energized magnets), with the potential risk of sudden liberation of energy through thermodynamic transformations of the fluids, which can be uncontrolled and lead to a dangerous increase of pressure inside the cryostat envelopes. [...]
2017
- Published in : IOP Conf. Ser. Mater. Sci. Eng. 278 (2017) 012171
Fulltext: PDF;
In : 2017 Cryogenic Engineering Conference and International Cryogenic Materials Conference, Madison, WI, USA, 9 - 13 Jul 2017, pp.012171
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8.
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Assembling experience of the first two HIE-ISOLDE cryomodules
/ Therasse, Mathieu (CERN) ; Barlow, Graeme (CERN) ; Bizzaglia, Sauro (CERN) ; Capatina, Ofelia (CERN) ; Chrul, Anna (CERN) ; Demarest, Paul (CERN) ; Dequaire, Julien (Intitek, Lyon, France) ; Deschamps, Jean-Baptiste (CERN) ; Gayde, Jean-Christophe (CERN) ; Gourragne, Max (CERN) et al.
The assembly of the first two cryomodules (CM1 and CM2) of the new superconducting linear accelerator HIE-ISOLDE (High Intensity and Energy ISOLDE), located downstream of the REX-ISOLDE normal conducting accelerator, started one year and half ago. After a delicate assembly phase in the cleanroom which lasted nine months, the first cryomodule was transported to the ISOLDE hall on 2 May 2015 and coupled to the existing REX-ISOLDE accelerator, increasing the energy of the radioactive ion beams from 2.8 to 4.3 MeV per nucleon. [...]
CERN-ACC-2017-347.-
2017 - 3 p.
- Published in : 10.18429/JACoW-LINAC2016-THPRC016
Fulltext: PDF;
In : 28th Linear Accelerator Conference, East Lansing, Michigan, 25 - 30 Sep 2016, pp.THPRC016
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9.
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HIE-ISOLDE SC Linac progress and commissioning in 2016
/ Venturini Delsolaro, Walter (CERN) ; Bravin, Enrico (CERN) ; Delruelle, Nicolas (CERN) ; Elias, Michal (CERN) ; Fadakis, Eleftherios (CERN) ; Ferreira Somoza, Jose (CERN) ; Formenti, Fabio (CERN) ; Fraser, Matthew (CERN) ; Gayde, Jean-Christophe (CERN) ; Guillotin, Nicolas (CERN) et al.
After the first successful physics run with radioactive ion beams at HIE ISOLDE, in October 2015 [1], the staged deployment of the linac continued in 2016 by adding a second cryomodule and by refurbishing the first one. During the physics run with one cryomodule, the second cryomodule was being assembled. [...]
CERN-ACC-2017-351.-
2017 - 5 p.
- Published in : 10.18429/JACoW-LINAC2016-WE1A05
Fulltext: PDF;
In : 28th Linear Accelerator Conference, East Lansing, Michigan, 25 - 30 Sep 2016, pp.WE1A05
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10.
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First HIE-ISOLDE cryo-module assembly at CERN
/ Therasse, Mathieu (CERN) ; Barlow, Graeme (CERN) ; Bizzaglia, Sauro (CERN) ; Bousquet, Jean-Alexandre (CERN) ; Chrul, Anna (CERN) ; Demarest, Paul (CERN) ; Dequaire, Julien (Unlisted, FR) ; Deschamps, Jean-Baptiste (CERN) ; Ferreira Somoza, Jose (CERN) ; Gayde, Jean-Christophe (CERN) et al.
The first phase of the HIE-ISOLDE project aims to increase the energy of the existing REX ISOLDE facilities from 3MeV/m to 5MeV/m. It involves the assembly of two superconducting cryo-modules based on quarter wave resonators made by niobium sputtered on copper. [...]
2015 - 5 p.
- Published in : 10.18429/JACoW-SRF2015-TUPB106
Fulltext: PDF;
In : 17th International Conference on RF Superconductivity, Whistler, Canada, 13 - 18 Sep 2015, pp.TUPB106
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