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CERN Document Server 178 registres trobats  1 - 10següentfinal  anar al registre: La cerca s'ha fet en 0.59 segons. 
1.
Performance Improvement Studies of the Fixed Target Beams along the CERN Injector Chain / Prebibaj, Tirsi (CERN) ; Asvesta, Foteini (CERN) ; Bartosik, Hannes (CERN) ; Damerau, Heiko (CERN) ; Fraser, Matthew Alexander (CERN) ; Di Giovanni, Gian Piero (CERN) ; Huschauer, Alexander (CERN) ; Li, Kevin Shing Bruce (CERN) ; Schenk, Michael (CERN) ; Velotti, Francesco Maria (CERN)
Within the LHC Injectors Upgrade (LIU) project, LHC injectors received major upgrades that resulted in an unprecedented beam brightness. In the framework of the Physics Beyond Colliders (PBC) study, the full potential of the upgraded injectors is being explored for the improvement of the Fixed Target (FT) beams as well. [...]
CERN-PBC-CONF-2024-009.- Geneva : CERN, 2024 - 4. - Published in : JACoW IPAC2024 (2024) THPC14 Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.THPC14
2.
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.
- 2023.
Full text
3.
Commissioning of the LHC Injectors Upgrade fast wire scanners and first experimental results / Di Carlo, S (CERN) ; Emery, J (CERN) ; Andreazza, W (CERN) ; Belohrad, D (CERN) ; Esteban Felipe, J C (CERN) ; Goldblatt, A (CERN) ; Gudkov, D (CERN) ; Guerrero, A (CERN) ; Jackson, S (CERN) ; Lacarrere, G O (CERN) et al.
The LHC Injectors Upgrade (LIU) program included new fast beam wire scanners (BWS) to meet the requirements of the higher brightness and intensity High Luminosity LHC (HL-LHC) beams. Seventeen LIU BWS have been installed during the LHC second long shutdown (LS2) and they are currently used in the daily operations of the LHC injectors. [...]
2023 - 14 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1053 (2023) 168328
4.
Long shutdown 2 LHC smoothing status and data analysis / Fuchs, Jean-Frederic (CERN) ; Widuch, Kacper (CERN)
During the two-year Long Shut-Down 2 (LS2), triggered by the LHC Injectors Upgrade (LIU) project, the CERN surveyors took in charge the smoothing of the 27km com- ponents of the LHC to guarantee its best beam aperture and energy performance for the RUN3 between 2022 and 2026 [...]
CERN-BE-2023-010.
- 2022. - 7 p.
Full text
5.
FCC circumference studies and resulting choice of RF frequency. / Zhang, Linhao (Chinese Academy of Sciences (CN)) ; Damerau, Heiko (CERN) ; Karpov, Ivan (CERN)
As the detailed study on the project of the Future Circular Collider (FCC) progresses, the choice of the exact circumference on the basis of the proposed one 91.1 km becomes essential. [...]
CERN-ACC-NOTE-2022-0023.
- 2022. - 14 p.
Full text
6.
J-PARC Contributions to the LHC Injector Upgrade (LIU) Project / Ohmori, Chihiro (J-PARC) ; Paoluzzi, Mauro (CERN) ; Tamura, Fumihiko (J-PARC ; JAEA, Ibaraki) ; Hasegawa, Katsushi (J-PARC) ; Sugiyama, Yasuyuki (J-PARC) ; Shirakata, Masashi (J-PARC) ; Yoshii, Masahito (J-PARC)
The LHC Injector Upgrade (LIU) was launched in 2010 in synergy with the High Luminosity LHC (HL-LHC) project.^2) It includes the consolidation/upgrade of the PS Booster RF systems:^3,4) all the existing ferrite-loaded RF cavities are being replaced with wideband RF systems during the 2019–2020 long shut down. The magnetic-annealed cores improve the cavity performance and reduce the number of the straight sections for RF systems. [...]
2021 - 6 p. - Published in : JPS Conf. Proc. 33 (2021) 011006-1-011006-6 Fulltext: PDF;
In : J-PARC Symposium 2019, Tsukuba, Japan, 23 - 26 Sep 2019, pp.011006-1-011006-6
7.

CERN-GRAPHICS-2022-011
© 2022 CERN
Major LS2 upgrades to the LHC injectors in four languages
Explanation of the different LHC accelerator beam [...]
10-05-2022
8.
Optimized injector schemes for FCC-ee positron production / Bai, B (Beijing, Inst. High Energy Phys. ; IJCLab, Orsay ; Beijing, GUCAS) ; Faus-Golfe, A (IJCLab, Orsay) ; Han, Y (IJCLab, Orsay) ; Chaikovska, I (IJCLab, Orsay) ; Zhou, Z (Beijing, Inst. High Energy Phys.) ; Chi, Y (Beijing, Inst. High Energy Phys.) ; Oide, K (CERN ; KEK, Tsukuba) ; Zimmermann, F (CERN)
Injectors and in particular the positron production systems are a crucial element in linear and circular colliders. The proposed FCC-ee injector linac accelerates both electrons and positrons up to 6 GeV in order to be injected into the Pre-Booster Ring (PBR) with a high intensity of 3.5 nC per bunch for the Z running mode. [...]
2021 - 14 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1009 (2021) 165463
9.
Space charge and intrabeam scattering effects for Lead-ions and Oxygen-ions in the LHC injector chain / John, Isabelle (Lund University (SE)) ; Bartosik, Hannes (CERN)
In the context of a possible LHC run with Oxygen-ion beams in about 2023, this report presents results of the space charge and intrabeam scattering effects for the Oxygen beam in comparison to the operational Lead beam in the LHC ion-injector chain (LEIR, PS and SPS). [...]
CERN-ACC-Note-2021-0003.
- 2021. - 31 p.
Full text
10.
Evolution of bunch envelope and emittance in photo-injectors with application to the AWAKE experiment / Kelisani, M D (CERN ; IPM, Tehran) ; Doebert, S (CERN) ; Aslaninejad, M (IPM, Tehran) ; Holzer, B (CERN)
We investigate on time evolution of envelopes and emittance of bunched beams in photo-injectors. We carry out a detailed beam dynamic study with focus on calculations of space charge forces. [...]
2020 - 13 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 982 (2020) 164564

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