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Projects, Upgrade and Consolidation Projects

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2024-09-27
18:10
Radiation protection studies for a high intensity facility in the CERN's ECN3 area / Ahdida, Claudia (CERN) ; Malacrida, Fabrice (CERN) ; Mazzola, Giuseppe (CERN) ; Nowak, Elzbieta (AGH University of Krakow (PL)) ; Vincke, Heinz (CERN) ; Bernhard, Johannes (CERN) ; Brugger, Markus (CERN) ; Calviani, Marco (CERN) ; Fraser, Matthew Alexander (CERN) ; Grenard, Jean-Louis (CERN) et al.
The ECN3 underground cavern at CERN’s SPS North Area offers unique opportunities in terms of intensity, energy and infrastructure for potential high-impact particle physics programmes that are complementary to the energy frontier and that are in line with the ESPPU 2020 recommendations. There is a strong interest to fully exploit the SPS for Fixed Target physics, which has resulted in the PBC Study Group focusing on siting a future high intensity experimental facility in ECN3. [...]
CERN-HI-ECN3-SLIDES-2024-002.- Geneva : CERN, 2024 Fulltext: PPTX;

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2024-09-27
16:43
Radiation Protection Studies for CERN's HI-ECN3 Facility / Ahdida, Claudia (CERN) ; Mazzola, Giuseppe (CERN) ; Luoni, Francesca (CERN) ; Malacrida, Fabrice (CERN) ; Nowak, Elzbieta (AGH University of Krakow (PL)) ; Vincke, Heinz (CERN) ; Bernhard, Johannes (CERN) ; Brugger, Markus (CERN) ; Calviani, Marco (CERN) ; Fraser, Matthew Alexander (CERN) et al.
The High Intensity ECN3 (HI-ECN3) facility in CERN’s SPS North Area has been proposed. It shall be housed in the ECN3 underground cavern and offer unique opportunities in terms of intensity, energy and infrastructure for a potential high-impact particle physics programme. [...]
CERN-HI-ECN3-SLIDES-2024-001.- Geneva : CERN, 2024 Fulltext: PPTX;
In : 16th Workshop on Shielding aspects of Accelerators, Targets and Irradiation Facilities (SATIF-16), Frascati, Italy, 28 - 31 May 2024

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2024-08-06
07:33
Chapter 31: High Field Accelerator Magnets for Next Generation Colliders – Motivation, Goals, Challenges and R&D; Drivers / Bottura, L (CERN)
The Hadron Collider (LHC) at CERN can be regarded as the ultimate collider built with Nb3 Ti magnets. Its main dipoles have reached a field of approximately 8 T, which is very likely close to the highest practical field for this superconductor in accelerators. [...]
2024 - 27 p. - Published in : Adv. Ser. Direct. High Energy Phys. 31 (2024) 615-641 Fulltext: PDF;
In : The High Luminosity Large Hadron Collider, pp.615-641

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2024-08-06
07:33
Chapter 22: Integration, (De-) Installation and Alignment / Fessia, P (CERN) ; Durand, H Mainaud (CERN)
Optimized space allocation for each equipment is instrumental to ensure that the various systems perform according to specification and to minimize installation and maintenance time. The general optimization effort goes under the name of “integration”, and it is strictly linked to the de-installation of the previous machine, to the management of the interfaces with existing infrastructures and to the installation of the new HL-LHC equipment. [...]
2024 - 25 p. - Published in : Adv. Ser. Direct. High Energy Phys. 31 (2024) 475-499 Fulltext: PDF;
In : The High Luminosity Large Hadron Collider, pp.475-499

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2024-08-06
07:33
Chapter 24: HL-LHC IT String and Hardware Commissioning / Bajko, M (CERN) ; Pojer, M (CERN)
The HL-LHC IT String is the test stand to validate the collective behavior of the Inner Triplet (IT) magnets and circuits in conditions as near as possible to the operational ones..
2024 - 17 p. - Published in : Adv. Ser. Direct. High Energy Phys. 31 (2024) 519-535 Fulltext: PDF;
In : The High Luminosity Large Hadron Collider, pp.519-535

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2024-08-06
07:33
Chapter 5: Machine Physics and Performance / Arduini, G (CERN) ; De Maria, R (CERN) ; Giovannozzi, M (CERN) ; Iadarola, G (CERN) ; Métral, E (CERN) ; Papaphilippou, Y (CERN) ; Tomás, R (CERN)
The main beam and machine parameter choices and the underlying beam dynamics considerations are reviewed together with the main challenges and expected performance..
2024 - 44 p. - Published in : Adv. Ser. Direct. High Energy Phys. 31 (2024) 121-164 Fulltext: PDF;
In : The High Luminosity Large Hadron Collider, pp.121-164

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2024-08-06
07:33
Chapter 25: SRF Cryogenic Test Facility for the HL-LHC / Tavian, L (CERN) ; Vandoni, G (CERN) ; Delsolaro, W Venturini (CERN)
Several test stands were assembled for testing integrated operation of individual components with and without beam. Amongst these, at CERN, the SPS SRF test stands allows to qualify crab cavity modules with beam, while the test facilities situated in the SM18 buildings underwent important upgrades for testing SRF single-crab-cavities, SRF modules, superconducting cryomagnets and cold powering systems. [...]
2024 - 6 p. - Published in : Adv. Ser. Direct. High Energy Phys. 31 (2024) 537-542 Fulltext: PDF;
In : The High Luminosity Large Hadron Collider, pp.537-542

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2024-08-06
07:33
Chapter 23: The HL-LHC Technical Infrastructure / Tavian, L (CERN)
The upgrade in luminosity of the LHC requires large and new technical infrastructures like civil engineering, electrical distribution, cooling, ventilation, access system, alarm system, transport, and operational safety system. This chapter describes the new technical infrastructure including layout, performance requirements and architecture as well as the main technical challenges..
2024 - 17 p. - Published in : Adv. Ser. Direct. High Energy Phys. 31 (2024) 501-517 Fulltext: PDF;
In : The High Luminosity Large Hadron Collider, pp.501-517

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2024-08-06
07:33
Chapter 21: Beam from Injectors: The LHC Injectors Upgrade (LIU) Project / Meddahi, M (CERN) ; Rumolo, G (CERN) ; Alemany, R (CERN) ; Bartosik, H (CERN) ; Bellodi, G (CERN) ; Coupard, J (CERN) ; Damerau, H (CERN) ; Di Giovanni, G P (CERN) ; Funken, A (CERN) ; Garoby, R 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. Fulfilling this goal requires extensive hardware modifications and new beam dynamics solutions across the entire LHC proton and ion injection chains: the new Linac4, the Proton Synchrotron Booster (PSB), the Proton Synchrotron (PS), the Super Proton Synchrotron (SPS), together with Linac3 and the Low Energy Ion Ring (LEIR) as ion PS injectors. [...]
2024 - 17 p. - Published in : Adv. Ser. Direct. High Energy Phys. 31 (2024) 457-473 Fulltext: PDF;
In : The High Luminosity Large Hadron Collider, pp.457-473

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2024-08-06
07:33
Chapter 29: The Role of Noise on Beam Stability and Performance in HL-LHC / Buffat, X (CERN) ; Furuseth, S V (CERN ; Ecole Polytechnique, Lausanne ; IPT, Lausanne) ; Métral, E (CERN) ; Pieloni, T (Ecole Polytechnique, Lausanne ; IPT, Lausanne) ; Tambasco, C (Ecole Polytechnique, Lausanne ; IPT, Lausanne) ; Valuch, D (CERN)
The beam response to an external excitation may result in a growth of the emittance, or more generally a modification of its particle distribution. The former reduces the luminosity, and the latter might lead to a loss of Landau damping of coherent instabilities. [...]
2024 - 9 p. - Published in : Adv. Ser. Direct. High Energy Phys. 31 (2024) 593-601 Fulltext: PDF;
In : The High Luminosity Large Hadron Collider, pp.593-601

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Focus on:
High Luminosity Large Hadron Collider (HL-LHC) (1,200)
FP7 HiLumi LHC Design Study (264)
High Intensity ECN3 and the SPS Beam Dump Facility (2)