1.
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Performance of the CERN Injector Complex and Transmission Studies into the LHC during the Second Proton-Lead Run
/ Alemany-Fernández, Reyes (CERN) ; Albright, Simon (CERN) ; Angoletta, Maria Elena (CERN) ; Axensalva, Jerome (CERN) ; Bartmann, Wolfgang (CERN) ; Bartosik, Hannes (CERN) ; Baudrenghien, Philippe (CERN) ; Bellodi, Giulia (CERN) ; Blas, Alfred (CERN) ; Bohl, Thomas (CERN) et al.
The LHC performance during the proton-lead run in 2016 fully relied on a permanent monitoring and systematic improvement of the beam quality in all the injectors. The beam production and characteristics are explained in this paper, together with the improvements realized during the run from the source up to the flat top of the LHC [...]
CERN-ACC-2017-155.-
2017 - 4 p.
- Published in : 10.18429/JACoW-IPAC2017-TUPVA128
Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.TUPVA128
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2.
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CERN's Fixed Target Primary Ion Programme
/ Manglunki, Django (CERN) ; Angoletta, Maria Elena (CERN) ; Axensalva, Jerome (CERN) ; Bellodi, Giulia (CERN) ; Blas, Alfred (CERN) ; Bodendorfer, Michael (CERN) ; Bohl, Thomas (CERN) ; Cettour-Cave, Stephane (CERN) ; Cornelis, Karel (CERN) ; Damerau, Heiko (CERN) et al.
The renewed availability of heavy ions at CERN for the needs of the LHC programme has triggered the interest of the fixed-target community. The project, which involves sending several species of primary ions at various energies to the North Area of the Super Proton Synchrotron, has now entered its operational phase. [...]
CERN-ACC-2016-275.-
2016 - 4 p.
- Published in : 10.18429/JACoW-IPAC2016-TUPMR027
Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.TUPMR027
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3.
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The LHC Injectors Upgrade (LIU) Project at CERN: Ion Injector Chain
/ Bartosik, Hannes (CERN) ; Albright, Simon (CERN) ; Angoletta, Maria Elena (CERN) ; Bellodi, Giulia (CERN) ; Biancacci, Nicolo (CERN) ; Bohl, Thomas (CERN) ; Coupard, Julie (CERN) ; Damerau, Heiko (CERN) ; Funken, Anne (CERN) ; Goddard, Brennan (CERN) et al.
The LHC injector chain for Pb-ion beams at CERN consists of Linac3, the accumulator ring LEIR, the PS and the SPS. In the context of the LHC injectors upgrade (LIU) project an intense program of machine development studies has been performed in the last two years to maximise the intensity of Pb-ion beams at LHC injection. [...]
CERN-ACC-2017-206.-
2017 - 4 p.
- Published in : 10.18429/JACoW-IPAC2017-TUPVA020
Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.TUPVA020
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4.
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Performance of the CERN Low Energy Ion Ring (LEIR) with Xenon beams
/ Alemany-Fernández, Reyes (CERN) ; Albright, Simon (CERN) ; Andujar, Oscar (CERN) ; Angoletta, Maria Elena (CERN) ; Axensalva, Jerome (CERN) ; Bartosik, Hannes (CERN) ; Baud, Guillaume (CERN) ; Biancacci, Nicolo (CERN) ; Bozzolan, Michele (CERN) ; Cettour Cave, Stephane (CERN) et al.
In 2017 the CERN Low Energy Ion Ring demonstrated once more the feasibility of injecting, accumulating, cooling and accelerating a new nuclei, $^{129}$Xe${39+}$. The operation of this new ion species started at the beginning of March with the start up of the xenon ion source and the Linac3. [...]
CERN-ACC-2018-144.-
2018 - 4 p.
- Published in : 10.18429/JACoW-IPAC2018-TUPAF020
Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.TUPAF020
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5.
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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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6.
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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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7.
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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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8.
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First Xenon-Xenon Collisions in the LHC
/ Schaumann, Michaela (CERN) ; Alemany-Fernández, Reyes (CERN) ; Baudrenghien, Philippe (CERN) ; Bohl, Thomas (CERN) ; Bracco, Chiara (CERN) ; Bruce, Roderik (CERN) ; Fuster-Martínez, Nuria (CERN) ; Jebramcik, Marc (CERN) ; Jowett, John (CERN) ; Mertens, Tom (CERN) et al.
In 2017, the CERN accelerator complex once again demonstrated its flexibility by producing beams of a new ion species, xenon, that were successfully injected into LHC. On 12 October, collisions of fully stripped xenon nuclei were recorded for the first time in the LHC at a centre-of-mass energy per colliding nucleon pair of 5.44 TeV. [...]
CERN-ACC-2018-126.-
2018 - 4 p.
- Published in : 10.18429/JACoW-IPAC2018-MOPMF039
Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.MOPMF039
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9.
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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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10.
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The 2016 Proton-Nucleus Run of the LHC
/ Jowett, John (CERN) ; Alemany-Fernández, Reyes (CERN) ; Baud, Guillaume (CERN) ; Baudrenghien, Philippe (CERN) ; De Maria, Riccardo (CERN ; CERN) ; Jacquet, Delphine (CERN) ; Jebramcik, Marc (CERN) ; Mereghetti, Alessio (CERN) ; Mertens, Tom (CERN) ; Schaumann, Michaela (CERN) et al.
For five of the LHC experiments the second p-Pb collision run planned in 2016 offered the opportunity to answer a range of important physics questions arising from the surprise discoveries (e.g., flow-like collective phenomena in small systems) made in earlier Pb-Pb, p-Pb and p-p runs. However the diversity of the physics and their respective capabilities led them to request very different operating conditions, in terms of collision energy, luminosity and pile-up. [...]
CERN-ACC-2017-143.-
2017 - 4 p.
- Published in : 10.18429/JACoW-IPAC2017-TUPVA014
Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.TUPVA014
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