CERN Accelerating science

Article
Title	LHC Upgrades in preparation of Run 3
Author(s)	Arduini, G (CERN) ; Baglin, V (CERN) ; Bartosik, H (CERN) ; Bottura, L (CERN) ; Bracco, C (CERN) ; Bradu, B (CERN) ; Bregliozzi, G (CERN) ; Brodzinski, K (CERN) ; Bruce, R (CERN) ; Calviani, M (CERN) ; Chiggiato, P (CERN) ; Cruikshank, P (CERN) ; Claudet, S (CERN) ; Delikaris, D (CERN) ; Fartoukh, S (CERN) ; Garion, C (CERN) ; Himmerlich, M (CERN) ; Hostettler, M (CERN) ; Iadarola, G (CERN) ; Kostoglou, S (CERN) ; Le Naour, S (CERN) ; Lechner, A (CERN) ; Lefevre, T (CERN) ; Mether, L (CERN) ; Papaphilippou, Y (CERN) ; Petit, V (CERN) ; Pojer, M (CERN) ; Poyet, A (CERN) ; Redaelli, S (CERN) ; Rodriguez Mateos, F (CERN) ; Rumolo, G (CERN) ; Salvant, B (CERN) ; Sanchez Galan, F (CERN) ; Siemko, A (CERN) ; Solfaroli-Camillocci, M (CERN) ; Sterbini, G (CERN) ; Taborelli, M (CERN) ; Tavian, L (CERN) ; Timko, H (CERN) ; Tock, J Ph (CERN) ; Verweij, A (CERN) ; Wendt, M (CERN) ; Wenninger, J (CERN) ; Wollmann, D (CERN) ; Yin Vallgren, Ch (CERN)
Publication	2024
Number of pages	138
In:	JINST 19 (2024) P05061
In:	The Large Hadron Collider and The Experiments for Run 3, pp.P05061
DOI	10.1088/1748-0221/19/05/P05061
Subject category	Accelerators and Storage Rings
Accelerator/Facility, Experiment	CERN LHC CERN HL LHC
Abstract	The Large Hadron Collider (LHC) Long Shutdown 2(2019–2021), following LHC Run 2, was primarily dedicated to theupgrade of the LHC Injectors but it included also a significantamount of activities aimed at consolidation of the LHC machinecomponents, removal of known limitations and initial upgrades inview of the High-Luminosity LHC (HL-LHC) to favour the intensityramp-up during Run 3 (2022–2025). An overview of the majormodifications to the accelerator and its systems is followed by asummary of the results of the superconducting magnet trainingcampaign to increase the LHC operation energy beyond the maximumvalue of 6.5 TeV reached during Run 2. The LHC configuration andthe scenarios for proton and ion operation for Run 3 are presentedconsidering the expected performance of the upgraded LHC Injectorsand the proton beam intensity limitations resulting from the heatload on the cryogenic system due to beam-induced electron cloud andimpedance.
Copyright/License	© 2024 The Author(s) (License: CC-BY-4.0)

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