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CERN Accelerating science

CERN Document Server Sök i 2,042 journaler efter:  1 - 10nästaslut  gå till journal: Sökningen tog 0.51 sekunder. 
1.
The CERN SPS Low Level RF: embedded acquisition system for the Cavity-Controller and Beam-Control commissioning and diagnostics / Egli, J (CERN) ; Baudrenghien, P (CERN) ; Hagmann, G (CERN) ; Spierer, A (CERN) ; Suminski, M (CERN)
The CERN SPS Low Level RF (LLRF) has undergone a major upgrade, including the complete redesign of the 200MHz Cavity-Controller and the Beam-Control during the Long Shutdown (2018-21). This upgrade was motivated by the required doubling of the beam intensity in the SPS for the High Luminosity LHC project (HL-LHC). [...]
2023 - 4 p. - Published in : JACoW IPAC 2023 (2023) THPA095 Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.THPA095
2.
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
3.
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
4.
Second-Order Effects in Beam-Control Systems of Particle Accelerators / Hereward, H G (CERN)
CERN-AR-Int-GS-61-4.- Geneva : CERN, 1961 - 8 p. Report Published version: PDF;
In : 3rd International Conference on High-Energy Accelerators, Upton, NY, USA, 6 - 12 Sep 1961, pp.236-243
5.
Operation and New Capabilities of CERN's Digital LLRF Family for Injectors / Angoletta, Maria Elena (CERN) ; Findlay, Alan (CERN) ; Rey, Anthony (CERN) ; Bielawski, Bartosz Przemyslaw (CERN) ; Barrientos, Diego (CERN) ; Suminski, Maciej (CERN) ; Soderen, Martin (CERN) ; Jaussi, Michael (CERN) ; Albright, Simon (CERN) ; Brischetto, Ylenia (CERN) et al.
CERN’s digital Low-Level RF (LLRF) family for injectors is deployed on CERN’s PS Booster (PSB), Low Energy Ion Ring (LEIR), Extra Low ENergy Antiproton (ELENA) ring and Antiproton Decelerator (AD). It implements multiple capabilities, including beam and cavity feedback loops, bunch shaping, longitudinal blowup, bunch splitting and longitudinal diagnostics.New capabilities are now available and the LLRF family is soon going to be deployed for tests also in CERN’s Proton Synchrotron (PS). [...]
2023 - 4 p. - Published in : JACoW IPAC 2023 (2023) THPA094 Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.THPA094
6.
Commissioning of the Linac4 Low Level RF and Future Plans / Baudrenghien, Philippe (CERN) ; Galindo, Javier (CERN) ; Hagmann, Gregoire (CERN) ; Noirjean, Jose (CERN) ; Stellfeld, Donat (CERN) ; Valuch, Daniel (CERN)
Linac4 is a new 86-m long normal-conducting linear accelerator that will provide 160 MeV H^{−} to the CERN PS Booster (PSB), and replace the present 50 MeV proton Linac2. The Low Level RF (LLRF) system has to control the RFQ, two choppers, three bunching cavities, twenty two accelerating cavities and one debuncher in the transfer line to the PSB. [...]
CERN-ACC-2014-375.- 2014 - 3 p. - Published in : (2014) , pp. THPP027 Fulltext: PDF; External link: JACoW server
In : 27th Linear Accelerator Conference, Geneva, Switzerland, 31 Aug - 5 Sep 2014, pp.THPP027
7.
Beam Commissioning of the New Digital Low-Level RF System for CERN’s AD / Angoletta, Maria Elena (CERN) ; Albright, Simon (CERN) ; Barrientos, Diego (CERN) ; Findlay, Alan (CERN) ; Jaussi, Michael (CERN) ; Rey, Anthony (CERN) ; Sumiński, Maciej (CERN)
CERN’s Antiproton Decelerator (AD) has been re-furbished to provide reliable operation for the Extra Low ENergy Antiproton ring (ELENA). In particular, AD was equipped with a new digital Low-Level RF (LLRF) system that was successfully commissioned during the summer 2021. [...]
2022 - 4 p. - Published in : JACoW IPAC 2022 (2022) 911-914 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.911-914
8.
CERN’s Super Proton Synchrotron 200 MHz cavity regulation upgrade: Modeling, design optimization, and performance estimation / Mastoridis, T (Cal. Poly.) ; Baudrenghien, P (CERN)
CERN’s Super Proton Synchrotron (SPS) accelerates protons to 450  GeV/c and transfers them into the Large Hadron Collider (LHC). It is currently one of the limiting factors in increasing the beam intensity and thus the luminosity of the LHC. [...]
2022 - 18 p. - Published in : Phys. Rev. Accel. Beams 25 (2022) 021002 Fulltext: PDF;
9.
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
10.
Commissioning the New LLRF System of the CERN PS Booster / Albright, Simon (CERN) ; Angoletta, Maria Elena (CERN) ; Barrientos, Diego (CERN) ; Findlay, Alan (CERN) ; Jaussi, Michael (CERN) ; Molendijk, John (CERN)
The PS Booster (PSB) is the first synchrotron in the injection chain for protons. The beams produced for the LHC and various fixed target experiments cover a very large parameter space. [...]
2022 - 4 p. - Published in : JACoW IPAC 2022 (2022) 2060-2063 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.2060-2063

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