2022-08-10 08:45 |
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2022-08-05 06:25 |
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2022-07-26 06:23 |
AD/ELENA Electron Cooling Experience During and after CERNs Long Shutdown (LS2)
/ Gamba, Davide (CERN) ; Bojtár, Lajos (CERN) ; Carli, Christian (CERN) ; Dupuy, Bruno (CERN) ; Frassier, Alexandre (CERN) ; Jørgensen, Lars (CERN) ; Ponce, Laurette (CERN) ; Tranquille, Gerard (CERN)
Electron cooling is a key ingredient of the Antimatter Factory at CERN, now composed of the AD and ELENA rings, both featuring an electron cooler. After the successful commissioning of the ELENA ring and electron cooling with antiprotons in 2018, the facility was shut down for the CERN long shutdown (LS2). [...]
2021 - 6 p.
- Published in : JACoW COOL 2021 (2021) 36-41
Fulltext: PDF;
In : International Workshop on Beam Cooling and Related Topics (COOL 2021), Novosibirsk, Russian Federation, 1 - 5 Nov 2021, pp.36-41
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2022-07-26 06:23 |
Study on transient heat transfer at metal to dielectric interfaces in the temperature range between 3.5 K and 30 K
/ Koettig, T (CERN) ; Golm, J (CERN) ; Liberadzka, J (CERN) ; Borges de Sousa, P (CERN) ; Bremer, J (CERN)
The thermal conductivity and diffusivity across a combination of metallic and
insulating layers are important thermodynamic input parameters for cooling studies of composite
materials or assemblies built out of layers of different electrical and thermal conductivity. The
dynamic response of such thermal contacts across electrically insulating layers can be expressed
in terms of a diffusivity-like value, which is giving insight on the interface thermal resistance. [...]
2019 - 5 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng. 502 (2019) 012094
Fulltext: PDF;
In : 27th International Cryogenic Engineering Conference - International Cryogenic Materials Conference 2018, Oxford, United Kingdom, 3 - 7 Sep 2018, pp.012094
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2022-07-26 06:23 |
Heat transfer at dielectric - metallic interfaces in the ultra-low temperature range
/ Liberadzka, J (CERN ; Twente U., Enschede) ; Golm, J (CERN) ; Koettig, T (CERN) ; Bremer, J (CERN) ; ter Brake, H J M (Twente U., Enschede)
In the framework of the AEgIS project a series of steady state and dynamic
heat transfer measurements at ultra-low temperatures was conducted in the Central Cryogenic
Laboratory at CERN. Two sandwich setups, simulating the behaviour of ultra-cold AEgIS
electrodes, were investigated and compared, namely: a sapphire − indium − copper and a
sapphire − titanium − gold − indium − copper sandwich. [...]
2019 - 5 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng. 502 (2019) 012133
Fulltext: PDF;
In : 27th International Cryogenic Engineering Conference - International Cryogenic Materials Conference 2018, Oxford, United Kingdom, 3 - 7 Sep 2018, pp.012133
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2022-07-26 06:23 |
Commissioning and performance of the cryogenic system of the new test facility for large superconducting devices at CERN
/ Derking, J H (CERN) ; Perin, A (CERN) ; Dupont, T (CERN) ; D'Hulster, B (CERN) ; Iakovidis, K (CERN) ; Stewart, L (CERN) ; Barbe, T (CERN) ; Pezzetti, M (CERN)
CERN has built a new test facility for large and heavy superconducting devices that will be first used for testing the Super-FRS magnets of the FAIR project being built at GSI in Germany. This paper reports on the commissioning results and performance of the cryogenic system. [...]
2019 - 5 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng. 502 (2019) 012005
Fulltext: PDF;
In : 27th International Cryogenic Engineering Conference - International Cryogenic Materials Conference 2018, Oxford, United Kingdom, 3 - 7 Sep 2018, pp.012005
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2022-07-26 06:22 |
Final Acceptance Testing of the CERN SPS Electrostatic Septa
/ Balhan, B (CERN) ; Barlow, R A (CERN) ; Borburgh, J (CERN) ; Farricker, A (CERN) ; Mo, J A (CERN) ; Prost, A (CERN)
In the framework of the LHC Injector Upgrade (LIU) project, the high field electrostatic septa (so-called ZS) have been upgraded to comply with the new requirements. Prior to their installation in the SPS accelerator in 2020, the septa were tested to verify their final performance. [...]
2021 - 4 p.
- Published in : 10.1109/ISDEIV46977.2021.9587034
In : 29th International Symposium on Discharges and Electrical Insulation in Vacuum, Online, 26 - 30 Sep 2021, pp.454-457
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2022-07-26 06:22 |
Recommissioning of the CERN AD Stochastic Cooling System in 2021 after Long Shutdown 2
/ Höfle, Wolfgang (CERN) ; Carli, Christian (CERN) ; Caspers, Fritz (CERN) ; Dupuy, Bruno (CERN) ; Gamba, Davide (CERN) ; Louwerse, Reinier (CERN) ; Myklebust, Vebjorn Roed (CERN) ; Oliveira, Joao Carlos (CERN) ; Ponce, Laurette (CERN) ; Rey, Stephane (CERN) et al.
The power system of the Stochastic Cooling System of the anti-proton decelerator AD at CERN, installed on top of the shielding blocks of the AD ring, was completely dismantled during the long shutdown 2 (LS2) at the end of the 2018 run in order to gain access to the accelerator for magnet consolidation. At start-up, this required finding and verifying the correct delays for all 48 power amplifiers feeding to the two kickers by means of beam transfer functions for the two cooling plateaus at 3.57 GeV/c and 2 GeV/c. [...]
2021 - 6 p.
- Published in : JACoW COOL 2021 (2021) 20-25
Fulltext: PDF;
In : International Workshop on Beam Cooling and Related Topics (COOL 2021), Novosibirsk, Russian Federation, 1 - 5 Nov 2021, pp.20-25
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2022-07-26 06:22 |
Úplný záznam - Podobné záznamy
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2022-07-26 06:22 |
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