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Specifications and Status of the New Electron Cooler for the CERN Antiproton Decelerator (AD)
/ Rossi, Adriana (CERN) ; Accettura, Carlotta (CERN) ; Andreazza, William (CERN) ; Bollazzi, Alessio (CERN) ; Cenede, Jean (CERN) ; Chritin, Nicolas (CERN) ; Coutron, Yannick (CERN) ; Ferreira Somoza, Jose (CERN) ; Frassier, Alexandre (CERN) ; Gamba, Davide (CERN) et al.
A new electron cooler for the Antiproton Decelerator (AD) is being designed at CERN, and will replace the current device (in operation for more than 40 years), during the next Long Shutdown (2026-2028). The functional specifications [ref. [...]
2024 - 6 p.
- Published in : JACoW COOL 2023 (2024) 5-10
Fulltext: PDF;
In : 14th International Workshop on Beam Cooling and Related Topics (COOL '23), Montreux, Switzerland, 8 - 13 Oct 2023, pp.5-10
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A review of the 2023 antiproton physics run in the CERN antimatter factory
/ Bojtar, Lajos (CERN) ; Lefort, Bertrand (CERN) ; Dupuy, Bruno (CERN) ; Gamba, Davide (CERN) ; Joergensen, Lars (CERN) ; Ponce, Laurette (CERN) ; Freyermuth, Pierre (CERN) ; Pasinelli, Sergio (CERN) ; Dutheil, Yann (CERN)
Despite a shorter-than-scheduled physics run due to a hardware problem, the AD/ELENA antiproton complex delivered record beam intensities to the experiments during the 2023 run. This paper reviews the performance of both the CERN Antiproton Decelerator (AD) and the Extra Low ENergy Antiproton (ELENA) decelerator and their associated transfer lines. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) TUPC08
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.TUPC08
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4.
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Improved antiproton production beam at CERN
/ Lombard, Cedric (CERN ; ESS, Lund) ; Albright, Simon (CERN) ; Asvesta, Foteini (CERN) ; Chapuis, Fabrice (CERN) ; Damerau, Heiko (CERN) ; Dutheil, Yann (CERN) ; Di Giovanni, Gian Piero (CERN) ; Huschauer, Alexander (CERN) ; Lasheen, Alexandre (CERN) ; Mikulec, Bettina (CERN) et al.
Antiprotons are generated at CERN by extracting a high-intensity proton beamfrom the Proton Synchrotron (PS) onto a target. The resulting antiprotons arecaptured in the Antiproton Decelerator (AD) ring. [...]
2023
- Published in : JACoW IPAC 2023 (2023) TUPM075
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.TUPM075
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ELENA - From Commissioning to Operation
/ Ponce, Laurette (CERN) ; Bojtár, Lajos (CERN) ; Carli, Christian (CERN) ; Dupuy, Bruno (CERN) ; Dutheil, Yann (CERN) ; Freyermuth, Pierre (CERN) ; Gamba, Davide (CERN) ; Jørgensen, Lars (CERN) ; Lefort, Bertrand (CERN) ; Pasinelli, Sergio (CERN)
In 2021 the Extra Low ENergy Antiproton ring (ELENA) moved from commissioning into the physics production phase providing 100 keV antiprotons to the newly connected experiments paving the way to an improved trapping efficiency by one to two orders of magnitude compared to the AD era. After recalling the major work undertaken during the CERN Long Shutdown 2 (2019-2020) in the antiproton deceleration complex, details will be given on the ELENA ring and the new electrostatic transfer line beam commissioning using an ion source. [...]
2022 - 4 p.
- Published in : JACoW IPAC 2022 (2022) 2391-2394
Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.2391-2394
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Commissioning of the ELENA Electrostatic Transfer Lines for the Antimatter Facility at CERN
/ Dutheil, Yann (CERN) ; Bartmann, Wolfgang (CERN) ; Carli, Christian (CERN) ; Fraser, Matthew (CERN) ; Gamba, Davide (CERN) ; Ponce, Laurette (CERN)
ELENA is a small synchrotron ring that decelerates antiprotons down to a kinetic energy of 100 keV. With an experimental complex capable of housing up to 9 different experiments operating simultaneously, the transfer line design needed to be highly flexible. [...]
2022 - 4 p.
- Published in : JACoW IPAC 2022 (2022) 2110-2113
Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.2110-2113
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ELENA Commissioning
/ Gamba, Davide (CERN) ; Angoletta, Maria Elena (CERN) ; Belochitskii, P (CERN) ; Bojtár, Lajos (CERN) ; Butin, Francois (CERN) ; Carli, Christian (CERN) ; Dupuy, Bruno (CERN) ; Dutheil, Yann (CERN) ; Eriksson, Tommy (CERN) ; Freyermuth, Pierre (CERN) et al.
The Extra Low ENergy Antiproton storage ring (ELENA) is an upgrade project at the CERN AD (Antiproton Decelerator). ELENA will further decelerate the 5.3 MeV antiprotons coming from the AD down to 100 keV. [...]
2020 - 6 p.
- Published in : 10.18429/JACoW-NAPAC2019-WEYBB1
Fulltext: PDF;
In : 3rd North American Particle Accelerator Conference (NAPAC), Lansing, MI, USA, 2 - 6 Sep 2019, pp.626-631
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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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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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