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Optics rematching between TT24 and P42 primary beam lines within the HI-ECN3 study project at CERN
/ Gorn, Aleksandr (CERN) ; Bracco, Chiara (CERN) ; Velotti, Francesco (CERN) ; Bernhard, Johannes (CERN) ; Nevay, Laurence (CERN) ; Dyks, Luke (Oxford U.) ; Fraser, Matthew (CERN)
The High Intensity ECN3 (HI-ECN3) study project aims to increase the intensity of the proton beam delivered to a new experimental facility housed in the ECN3 underground cavern in CERN’s North Area up to the ~4e+13 ppp (protons per pulse) and up to ~4e+19 POT (protons on target) per year. The increase necessitates upgrades of the primary beam transfer lines coming from SPS directly to the new Target Complex upstream of ECN3. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) TUPC71
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.TUPC71
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Qualification of components for installation in LHC kicker magnets
/ Diaz Zumel, Miguel (CERN) ; Bracco, Chiara (CERN) ; Standen, Dylan (CERN) ; Favia, Giorgia (CERN) ; Ducimetière, Laurent (CERN) ; Barnes, Michael (CERN) ; Trubacova, Pavlina (CERN) ; Maurin, Theo (CERN) ; Stadlbauer, Tobias (CERN)
LHC injection kickers (MKI) are pulsed at high voltage to achieve magnetic field pulses with fast rise time. The MKIs contain a beam screen to help shield their ferrite yoke from beam induced heating. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) THPS61
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.THPS61
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3.
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Initial operational experience of an LHC injection kicker magnet upgraded for HL-LHC
/ Barnes, Michael (CERN) ; Diaz Zumel, Miguel (CERN) ; Bracco, Chiara (CERN) ; Standen, Dylan (CERN) ; Favia, Giorgia (CERN) ; Ducimetière, Laurent (CERN) ; Trubacova, Pavlina (CERN) ; Kramer, Thomas (CERN) ; Stadlbauer, Tobias (CERN) ; Gomes Namora, Vasco (CERN)
The intensity of the HL-LHC beam will be twice that of LHC. Hence, an upgrade of the LHC injection kickers (MKIs) is necessary for HL-LHC to avoid excessive beam induced heating of the MKIs. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) TUPC36
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.TUPC36
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Study of the performance and beam loss limitations during injection of high-intensity LHC proton beams
/ Salvachua, Belen (CERN) ; Lechner, Anton (CERN) ; Bracco, Chiara (CERN) ; Zamantzas, Christos (CERN) ; Wollmann, Daniel (CERN) ; Mirarchi, Daniele (CERN) ; Effinger, Ewald (CERN) ; Velotti, Francesco (CERN) ; Trad, Georges (CERN) ; Wenninger, Jorg (CERN) et al.
The LHC Injectors Upgrade project at CERN optimized the injection accelerator chain to deliver proton intensities per bunch of 2.3e+11 ppb. Throughout 2023, the LHC was filled with up to 2464 bunches per beam using a hybrid injection scheme, involving up to 236 bunches per injection, with a maximum intensity per bunch of 1.6e+11 ppb. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) THPR31
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.THPR31
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5.
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Intensity Reach in the CERN PSB with the High-Current LINAC4 source
/ Prebibaj, Tirsi (CERN) ; Albright, Simon (CERN) ; Asvesta, Foteini (CERN) ; Bartosik, Hannes (CERN) ; Bellodi, Giulia (CERN) ; Bracco, Chiara (CERN) ; Di Giovanni, Gian Piero (CERN) ; Marchi, Mariangela (Sapienza Universita e INFN, Roma I (IT)) ; Lallement, Jean-Baptiste (CERN) ; Sargsyan, Edgar (CERN) et al.
The CERN Proton Synchrotron Booster (PSB) was upgraded within the LHC Injectors Upgrade (LIU) project. The PSB delivers high-brightness beams for collisions at the LHC as well as a large variety of high-intensity beams for fixed target experiments. [...]
CERN-PBC-CONF-2024-008.-
Geneva : CERN, 2024 - 4.
- Published in : JACoW IPAC2024 (2024) TUPS31
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.TUPS31
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6.
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Pushing High Intensity and High Brightness Limits in the CERN PSB after the LIU Upgrades
/ Asvesta, Foteini (CERN) ; Albright, Simon (CERN) ; Bartosik, Hannes (CERN) ; Bracco, Chiara (CERN) ; Di Giovanni, Gian Piero (CERN) ; Prebibaj, Tirsi (CERN)
After the successful completion of the LHC Injectors Upgrade (LIU) project, the CERN Proton Synchrotron Booster (PSB) has produced beams with up to two times higher brightness. However, the efforts to continuously improve the beam quality for the CERN physics experiments are ongoing. [...]
2024 - 4 p.
- Published in : JACoW HB 2023 (2024) 458-461
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.458-461
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7.
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Two-Dimensional Longitudinal Painting at Injection into the CERN PS Booster
/ Albright, Simon (CERN) ; Asvesta, Foteini (CERN) ; Bielawski, Bartosz Przemyslaw (CERN) ; Bracco, Chiara (CERN) ; Skowroński, Piotr (CERN) ; Wegner, Rolf (CERN)
To inject highest beam intensities at the transfer from Linac4 into the four rings of the PS Booster (PSB) at CERN, protons must be accumulated during up to 148 turns in total. With the conventional, fixed chopping pattern this process results in an approximately rectangular distribution in the longitudinal phase space. [...]
2024 - 4 p.
- Published in : JACoW HB 2023 (2024) 563-566
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.563-566
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8.
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Shaping High Brightness and Fixed Target Beams with the CERN PSB Charge Exchange Injection
/ Bracco, Chiara (CERN) ; Albright, Simon (CERN) ; Asvesta, Foteini (CERN) ; Di Giovanni, Gian Piero (CERN) ; Roncarolo, Federico (CERN)
CERN adopted the charge exchange injection technique for the first time in the PS Booster after Long Shutdown 2. This allowed to overcome space charge limitations, tailor high brightness beams for the LHC and deliver high intensity flux of protons to the fixed target experiments. [...]
2024 - 6 p.
- Published in : JACoW HB 2023 (2024) 135-140
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.135-140
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9.
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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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