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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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2.
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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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3.
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Performance of the Ion Chain at the CERN Injector Complex and Transmission Studies During the 2023 Slip Stacking Commissioning
/ Slupecki, Maciej (CERN) ; Albright, Simon (CERN) ; Alemany-Fernández, Reyes (CERN) ; Angoletta, Maria Elena (CERN) ; Argyropoulos, Theodoros (CERN) ; Bartosik, Hannes (CERN) ; Baudrenghien, Philippe (CERN) ; Bellodi, Giulia (CERN) ; Bozzolan, Michele (CERN) ; Bruce, Roderik (CERN) et al.
The 2023 run has been decisive for the LHC Ion Injector Complex. It demonstrated the capability of producing full trains of momentum slip stacked lead ions in the SPS. [...]
2024 - 4 p.
- Published in : JACoW HB 2023 (2024) 418-421
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.418-421
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4.
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Momentum slip-stacking in CERN SPS for the ion beams
/ Argyropoulos, Theodoros (CERN) ; Bohl, Thomas (CERN) ; Lasheen, Alexandre (CERN) ; Papotti, Giulia (CERN) ; Quartullo, Danilo (CERN) ; Shaposhnikova, Elena (CERN)
The LHC Injectors Upgrade (LIU) project at CERN aims at doubling the total intensity of the lead ion beam for the High-Luminosity (HL) LHC. Achieving this goal requires using momentum slip-stacking in the SPS, the LHC injector. [...]
CERN-ACC-2019-119.-
2019 - 4 p.
- Published in : 10.18429/JACoW-IPAC2019-WEPTS039
Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.WEPTS039
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6.
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Benchmarking the Beam Longitudinal Dynamics Code BLonD
/ Timko, Helga (CERN) ; Esteban Müller, Juan (CERN) ; Lasheen, Alexandre (CERN) ; Quartullo, Danilo (CERN)
The relatively recent Beam Longitudinal Dynamics code BLonD has already been applied to a wide range of studies for all present CERN synchrotrons. Its application area ranges from studies of RF manipulations, over single and multi-bunch interactions with impedance, to the action of feedback loops and RF noise. [...]
CERN-ACC-2016-192.-
2016 - 4 p.
- Published in : 10.18429/JACoW-IPAC2016-WEPOY045
Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.WEPOY045
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7.
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LHC Injectors Upgrade project: Towards new territory beam parameters
/ Meddahi, Malika (CERN) ; Alemany-Fernández, Reyes (CERN) ; Bartosik, Hannes (CERN) ; Bellodi, Giulia (CERN) ; Coupard, Julie (CERN) ; Damerau, Heiko (CERN) ; Di Giovanni, Gian Piero (CERN) ; Dos Santos Pedrosa, Fernando (CERN) ; Funken, Anne (CERN) ; Goddard, Brennan (CERN) et al.
The LHC Injectors Upgrade (LIU) project aims at increasing the intensity and brightness in the LHC injectors in order to match the challenging requirements of the High-Luminosity LHC (HL-LHC) project, while ensuring high availability and reliable operation of the injectors complex up to the end of the HL-LHC era (ca. 2035). [...]
CERN-ACC-2019-226.-
2019 - 6 p.
- Published in : 10.18429/JACoW-IPAC2019-THXPLM1
Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.THXPLM1
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8.
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An Extended SPS Longitudinal Impedance Model
/ Campelo, Jose Enrique (CERN) ; Argyropoulos, Theodoros (CERN) ; Bohl, Thomas (CERN) ; Caspers, Fritz (CERN) ; Esteban Müller, Juan (CERN) ; Ghini, Jonas (CERN) ; Lasheen, Alexandre (CERN) ; Quartullo, Danilo (CERN) ; Salvant, Benoit (CERN) ; Shaposhnikova, Elena (CERN) et al.
Longitudinal multi-bunch instability in the CERN SPS with a very low intensity threshold is a serious limitation for the future doubling of bunch intensity required by Hi-Lumi LHC project. A complete and accurate impedance model is essential to understand the nature of this instability and to plan possible cures. [...]
CERN-ACC-2015-347.-
2015 - 3 p.
- Published in : (2015) , pp. MOPJE035
Published version from JACoW: PDF; External link: JACOW
In : 6th International Particle Accelerator Conference, Richmond, VA, USA, 3 - 8 May 2015, pp.MOPJE035
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9.
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Overview of the Beams from the Injectors
/ Albright, S (CERN) ; Bartosik, H (CERN) ; Bohl, T (CERN) ; Damerau, H (CERN) ; Di, G P (CERN) ; Findlay, A (CERN) ; Forte, V (CERN) ; Fraser, M (CERN) ; Huschauer, A (CERN) ; Kain, V (CERN) et al.
The injectors have delivered different beam types for luminosity production in
the LHC during the 2017 run. Besides the nominal beam with 25 ns spacing and 72
bunches at PS extraction, the batch-compression-merging-splitting (BCMS) beam
with multiples of 48 bunches at extraction from the SPS has been produced [...]
2019 - 6 p.
- Published in : (2019) , pp. 119-124
Fulltext: PDF;
In : 8th Evian Workshop on LHC beam operation, Evian Les Bains, France, 12 - 14 Dec 2017, pp.119-124
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10.
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Synchrotron Frequency Shift as a Probe of the CERN SPS Reactive Impedance
/ Lasheen, Alexandre (CERN) ; Argyropoulos, Theodoros (CERN) ; Campelo, Jose Enrique (CERN) ; Esteban Müller, Juan (CERN) ; Quartullo, Danilo (CERN) ; Shaposhnikova, Elena (CERN) ; Timko, Helga (CERN)
Longitudinal instability in the CERN SPS is a serious limitation for the future increase of bunch intensity required by HiLumi LHC project. The impedance driving this instability is not known precisely and a lot of effort goes into creating an accurate impedance model. [...]
2015 - 5 p.
- Published in : (2015) , pp. THO4LR02
Fulltext: PDF; External link: JACOW
In : 54th ICFA Advanced Beam Dynamics Workshop on High-Intensity, High Brightness and High Power Hadron Beams, East-Lansing, USA, 10 - 14 Nov 2014, pp.THO4LR02
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