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CERN Document Server 13 Datensätze gefunden  1 - 10nächste  gehen zum Datensatz: Die Suche hat 0.63 Sekunden gedauert. 
1.
Empty-bucket techniques for spill-quality improvement at the CERN Super Proton Synchrotron / Arrutia Sota, Pablo A (CERN) ; Fraser, Matthew A (CERN) ; Hagmann, Gregoire (CERN) ; Kain, Verena (CERN) ; Papotti, Giulia (CERN) ; Spierer, Arthur (CERN) ; Velotti, Francesco M (CERN) ; Burrows, Philip N (JAI, UK) ; Piandani, Roberto (San Luis Potosi U.)
Synchrotrons can provide long spills of particles by employing resonant extraction where the circulating beam is slowly ejected over thousands to millions of turns by exploiting the amplitude growth caused by a transverse resonance. In the CERN Super Proton Synchrotron (SPS), this method is used to satisfy the experimental requests of the North Area. [...]
2024 - 14 p. - Published in : Phys. Rev. Accel. Beams 27 (2024) 074001 Fulltext: PDF;
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2.
Beam Performance with the LHC Injectors Upgrade / zannini, C (CERN) ; Wegner, R (CERN) ; Vollinger, C (CERN) ; Veness, R (CERN) ; Velotti, F (CERN) ; Sullivan, M (CERN) ; Steerenberg, R (CERN) ; Spierer, A (CERN) ; Skowronski, P (CERN) ; Sito, L (CERN) et al.
The LHC Injectors Upgrade (LIU) project was put in place between 2010 and 2021 to increase the intensity and brightness in the LHC injectors to match the challenging requirements of the High-Luminosity LHC (HL-LHC) project, while ensuring reliable operation of the injectors complex up to the end of the HL-LHC era (ca. 2040). [...]
2024 - 8 p. - Published in : JACoW HB 2023 (2024) 1-8 Fulltext: PDF;
In : 68th ICFA Advanced Beam Dynamics workshop on high-Intensity and High-Brightness Hadron Beams (HB 2023), CERN, Geneva, Switzerland, 9 - 13 Oct 2023, pp.1-8
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3.
SPS fixed target spill quality improvements in the longitudinal plane / Papotti, Giulia (CERN) ; Spierer, Arthur (CERN) ; Quartullo, Danilo (CERN) ; Hagmann, Gregoire (CERN) ; Karpov, Ivan (CERN) ; Piandani, Roberto (San Luis Potosi U.)
The SPS proton fixed target beams are spilled via a third integer resonant extraction, for which high momentum spread is beneficial. To increase the momentum spread prior to the slow extraction, the bunches are stretched at the unstable phase by inverting the sign of the RF voltage. [...]
2023 - 4 p. - Published in : JACoW IPAC 2023 (2023) TUPA157 Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.TUPA157
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4.
The CERN SPS Low level RF: The Cavity-Controller / Hagmann, Gregoire (CERN) ; Baudrenghien, Philippe (CERN) ; Egli, Julien (CERN) ; Spierer, Arthur (CERN) ; Sumiński, Maciej (CERN) ; Włostowski, Tomasz (CERN)
This paper is the second of a series of three on the Super Proton Synchrotron (SPS) Low Level RF (LLRF) upgrade. It covers the 200MHz Cavity-Controller part, that is responsible for the regulation of the accelerating field in a single SPS cavity. [...]
2022 - 4 p. - Published in : JACoW IPAC 2022 (2022) 903-906 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.903-906
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5.
The CERN SPS Low Level RF: Lead Ions Acceleration / Baudrenghien, Philippe (CERN) ; Egli, Julien (CERN) ; Hagmann, Gregoire (CERN) ; Spierer, Arthur (CERN) ; Włostowski, Tomasz (CERN)
This paper is the third of a series of three on the Super Proton Synchrotron (SPS) Low Level RF (LLRF). Its focus is the upgrade concerned with the acceleration of Lead ions for injection into the LHC [...]
2022 - 4 p. - Published in : JACoW IPAC 2022 (2022) 899-902 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.899-902
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6.
The CERN SPS Low Level RF: The Beam-Control / Spierer, Arthur (CERN) ; Baudrenghien, Philippe (CERN) ; Egli, Julien (CERN) ; Hagmann, Gregoire (CERN) ; Kuzmanović, Predrag (CERN) ; Stachon, Ireneusz (CERN) ; Sumiński, Maciej (CERN) ; Włostowski, Tomasz (CERN)
The Super Proton Synchrotron (SPS) Low Level RF (LLRF) has been completely upgraded during the CERN long shutdown (LS2, 2019-2020). The old NIM and VME based, mainly analog system has been replaced with modern digital electronics implemented on a MicroTCA platform. [...]
2022 - 4 p. - Published in : JACoW IPAC 2022 (2022) 895-898 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.895-898
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7.
Achievements and Performance Prospects of the Upgraded LHC Injectors / Kain, Verena (CERN) ; Albright, Simon (CERN) ; Alemany-Fernández, Reyes (CERN) ; Angoletta, Maria Elena (CERN) ; Antoniou, Fanouria (CERN) ; Argyropoulos, Theodoros (CERN) ; Asvesta, Foteini (CERN) ; Balhan, Bruno (CERN) ; Barnes, Michael (CERN) ; Barrientos, Diego (CERN) et al.
To provide HL-LHC performance, the CERN LHC injector chain underwent a major upgrade during an almost 2-year-long shutdown. In the first half of 2021 the injectors were gradually re-started with the aim to reach at least pre-shutdown parameters for LHC as well as for fixed target beams. [...]
2022 - 6 p. - Published in : JACoW IPAC 2022 (2022) 1610-1615 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.1610-1615
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8.
Reusable Real-Time Software Components for the SPS Low Level RF Control System / Sumiński, Maciej (CERN) ; Adrianek, Karol (CERN) ; Bielawski, Bartosz Przemyslaw (CERN) ; Butterworth, Andrew (CERN) ; Egli, Julien (CERN) ; Hagmann, Gregoire (CERN) ; Kuzmanović, Predrag (CERN) ; Novel González, Saul (CERN) ; Rey, Anthony (CERN) ; Spierer, Arthur (CERN)
In 2021 the Super Proton Synchrotron has been recommissioned after a complete renovation of its low level RF system (LLRF). The new system has largely moved to digital signal processing implemented as a set of functional blocks (IP cores) in Field Programmable Gate Arrays (FPGAs) with associated software to control them. [...]
2022 - 3 p. - Published in : JACoW ICALEPCS2021 (2022) 939-941 Fulltext: PDF;
In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.939-941
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9.
White Rabbit and MTCA.4 Use in the LLRF Upgrade for CERN’s SPS / Włostowski, Tomasz (CERN) ; Adrianek, Karol (CERN) ; Arruat, Michel (CERN) ; Baudrenghien, Philippe (CERN) ; Butterworth, Andrew (CERN) ; Daniluk, Grzegorz (CERN) ; Egli, Julien (CERN) ; Gill, John (CERN) ; Gingold, Tristan (CERN) ; González Cobas, Juan (CERN) et al.
The Super Proton Synchrotron (SPS) Low-level RF (LLRF) system at CERN was completely revamped in 2020. In the old system, the digital signal processing was clocked by a submultiple of the RF. [...]
2022 - 6 p. - Published in : JACoW ICALEPCS2021 (2022) 847-852 Fulltext: PDF;
In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.847-852
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10.
The CERN SPS Low Level RF upgrade project / Hagmann, Gregoire (CERN) ; Baudrenghien, Philippe (CERN) ; Betz, Jochen (CERN) ; Egli, Julien (CERN) ; Galindo Guarch, Francisco Javier (Barcelona, Polytechnic U.) ; Kotzian, Gerd (CERN) ; Rizzi, Mattia (CERN) ; Schmid, Lorenz (CERN) ; Spierer, Arthur (CERN) ; Włostowski, Tomasz (CERN)
The High Luminosity LHC project (HL-LHC) calls for the doubling of the beam intensity injected from the Super Proton Synchrotron (SPS). This is not possible with the present RF system consisting of four 200 MHz cavities. [...]
CERN-ACC-2019-124.- 2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-THPRB082 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.THPRB082
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