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Performance of the Low Energy Ion Ring at CERN with lead ions in 2022
/ Alemany-Fernandez, Reyes (CERN) ; Frassier, Alexandre (CERN) ; Rey, Anthony (CERN) ; Wetton, Chris (CERN) ; Mutin, Christophe (CERN) ; Gamba, Davide (CERN) ; Bodart, Dominique (CERN) ; Carlier, Felix (CERN) ; Velotti, Francesco (CERN) ; Le Godec, Gilles (CERN) et al.
2022 has been a performance consolidation year for the Low Energy Ion Ring (LEIR) at CERN that demonstrated its capability of delivering the target beam parameters required for high luminosity production in the LHC in a reproducible and reliable way. The main steps that have led to the high performance reach of this beam, together with the machine stability improvements deployed, are detailed in this paper..
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) TUPA151
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.TUPA151
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2.
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Towards optics measurements with a new LEIR BPM system
/ Carlier, Felix (CERN) ; Alemany-Fernandez, Reyes (CERN) ; Biancacci, Nicolo (CERN) ; Jacquet, Delphine (CERN) ; Jensen, Steen (CERN) ; Levens, Thomas (CERN) ; Madysa, Nico (CERN) ; Marqversen, Ole (CERN)
The LHC Injector Upgrade (LIU) programme forms a cornerstone of the High-Luminosity LHC project. Among its targets, a new Beam Position Monitor (BPM) system has been deployed in the Low Energy Ion Ring (LEIR) to facilitate optics measurements. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) TUPA150
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.TUPA150
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3.
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Performance of the Low Energy Ion Ring at CERN with Lead Ions in 2022
/ Alemany Fernandez, Reyes (CERN) ; Albright, Simon (CERN) ; Angoletta, Maria Elena (CERN) ; Bellodi, Giulia (CERN) ; Biancacci, Nicolo (CERN) ; Bodart, Dominique (CERN) ; Bozzolan, Michele (CERN) ; Carlier, Felix Simon (CERN) ; Meruga, Phani Deep (Sapienza Universita e INFN, Roma I (IT)) ; Dolenc, Miha (CERN) et al.
2022 was a performance consolidation year for the Low Energy Ion Ring (LEIR) at CERN that demonstrated its capability of delivering the target beam parameters required for high luminosity production in the LHC in a reproducible and reliable way. [...]
CERN-ACC-NOTE-2023-0017.
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2023.
Full text
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4.
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Matching Studies Between the CERN PSB and PS Using Turn-by-Turn Beam Profile Acquisitions with a Residual Beam Gas Ionisation Monitor
/ Fraser, Matthew (CERN) ; Coly, Marcel (CERN) ; Guerrero, Ana (CERN) ; Huschauer, Alexander (CERN) ; Jensen, Steen (CERN) ; Levasseur, Swann (CERN) ; Roncarolo, Federico (CERN) ; Rossi, Adriana (CERN) ; Sandberg, Hampus (CERN) ; Storey, James (CERN)
In the framework of the LHC Injectors Upgrade project, the Beam Gas Ionisation (BGI) profile monitors installed in the Proton Synchrotron (PS) were fitted with a gas injection system capable of boosting the signal rate high enough to capture single turn acquisitions immediately after injection. This contribution reports on the studies carried out during the beam commissioning of the BGI system in a turn-by-turn matching monitor mode for its eventual implementation in an optimisation framework to preserve emittance during transfer between the PS Booster and PS. [...]
2022 - 4 p.
- Published in : JACoW IPAC 2022 (2022) 2161-2164
Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.2161-2164
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5.
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Linac3, LEIR and PS Performance with Ions in 2021 and Prospects for 2022
/ Biancacci, Nicolo (CERN) ; Albright, Simon (CERN) ; Alemany-Fernández, Reyes (CERN) ; Alves, Diogo (CERN) ; Angoletta, Maria Elena (CERN) ; Barrientos, Diego (CERN) ; Bartosik, Hannes (CERN) ; Bellodi, Giulia (CERN) ; Bertolo, Sebastien (CERN) ; Bodart, Dominique (CERN) et al.
CERN accelerators underwent a period of long shutdown from the end of 2018 to 2020. During this time frame, significant hardware and software upgrades have been put in place to increase the performance of both proton and ion accelerator chains in the High Luminosity LHC era. [...]
2022 - 4 p.
- Published in : JACoW IPAC 2022 (2022) 1983-1986
Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.1983-1986
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6.
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Commissioning of Timepix3 Based Beam Gas Ionisation Profile Monitors for the CERN Proton Synchrotron
/ Sandberg, Hampus (CERN) ; Bertsche, William (Cockcroft Inst. Accel. Sci. Tech.) ; Bodart, Dominique (CERN) ; Gibson, Stephen (JAI, UK) ; Jensen, Steen (CERN) ; Levasseur, Swann (CERN) ; Satou, Kenichirou (KEK, Tsukuba) ; Schneider, Gerhard (CERN) ; Storey, James (CERN) ; Veness, Raymond (CERN)
A pair of operational Beam Gas Ionisation (BGI) profile monitors was installed in the CERN Proton Synchrotron (PS) at the beginning of 2021. These instruments use Timepix3 hybrid pixel detectors to continuously measure the beam profile throughout the cycle in the horizontal and vertical planes. [...]
JACoW, 2021 - 4 p.
- Published in : JACoW IBIC 2021 (2021) 172-175
Fulltext: PDF;
In : 10th International Beam Instrumentation Conference (IBIC 2021), Online, Korea, 13 - 17 Sep 2021, pp.172-175
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7.
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Schottky Signal From Distributed Orbit Pick-Ups
/ Marqversen, Ole (CERN) ; Jensen, Steen (CERN)
In the CERN Extra Low ENergy Anti-proton (ELENA) ring, intended for the deceleration of antiprotons, the longitudinal Schottky signal is obtained by summing the multiple electrostatic pick-up (PU) signals that are also used to measure the closed orbit. The signals from the individual PUs are phase-compensated to a single, common longitudinal location in the machine and added in the time domain. [...]
JACoW, 2021 - 4 p.
- Published in : JACoW IBIC 2021 (2021) 366-369
Fulltext: PDF;
In : 10th International Beam Instrumentation Conference (IBIC 2021), Online, Korea, 13 - 17 Sep 2021, pp.366-369
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8.
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Adopting PyQt for Beam Instrumentation GUI Development at CERN
/ Zanzottera, Sara (CERN) ; Jackson, Stephen (CERN) ; Jensen, Steen (CERN)
As Java GUI toolkits become deprecated, the Beam Instrumentation (BI)group at CERN has investigated alternatives and selected PyQt as one of the suitable technologies for future GUIs, in accordance with the paper presented at ICALEPCS19. This paper presents tools created, or adapted, to seamlessly integrate future PyQt GUI development alongside current Java oriented workflows and the controls environment. [...]
2022 - 5 p.
- Published in : JACoW ICALEPCS2021 (2022) 899-903
Fulltext: PDF;
In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.899-903
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9.
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Review of LEIR operation in 2018
/ Albright, Simon (CERN) ; Alemany Fernandez, Reyes (CERN) ; Angoletta, Maria Elena (CERN) ; Bartosik, Hannes (CERN) ; Beaumont, Anthony (CERN) ; Bellodi, Giulia (CERN) ; Biancacci, Nicolo (CERN) ; Bozzolan, Michele (CERN) ; Buzio, Marco (CERN) ; Di Lorenzo, Francesco (CERN) et al.
During run 2 (2015-2018) the LEIR machine experienced several important improvements in terms of extracted intensity, driven by the LHC Injectors Upgrade (LIU) project requirements. [...]
CERN-ACC-Note-2020-0023.
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2019. - 113 p.
Full text
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10.
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Commissioning of Beam Instrumentation at the CERN AWAKE Facility After Integration of the Electron Beam Line
/ Gorgisyan, Ishkhan (CERN) ; Bracco, Chiara (CERN) ; Burger, Stephane (CERN) ; Cascella, Michele (University Coll. London) ; Döbert, Steffen (CERN) ; Gessner, Spencer (CERN) ; Gschwendtner, Edda (CERN) ; Jensen, Lars (CERN) ; Jensen, Steen (CERN) ; Jolly, Simon (University Coll. London) et al.
The Advanced Proton Driven Plasma Wakefield Acceleration Experiment (AWAKE) is a project at CERN aiming to accelerate an electron bunch in a plasma wakefield driven by a proton bunch. The plasma is induced in a 10 m long rubidium vapor cell using a pulsed Ti:Sapphire laser, with the wakefield formed by a proton bunch from the CERN Super Proton Synchrotron (SPS). [...]
CERN-ACC-2018-109.-
2018 - 5 p.
- Published in : (2018) , pp. WEPAF070
- Published in : J. Phys.: Conf. Ser. 1067 (2018) 072015
Fulltext: wepaf070 - PDF; wepaf070_2 - PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.WEPAF070
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