17–22 May 2026
C.I.D
Europe/Zurich timezone

Challenges of the Long Shutdown 3 for the LHC: from preparation to execution

MOP1091
18 May 2026, 16:00
2h
C.I.D

C.I.D

Deauville, France
Poster Presentation MC1.A04: Colliders: Circular Accelerators and Storage Rings Poster session

Speaker

Michele Loffredo (European Organization for Nuclear Research)

Description

The Long Shutdown 3 (LS3) of the Large Hadron Collider (LHC) represents a pivotal phase in the lifecycle of CERN’s accelerator complex. The unprecedented complexity of LS3 arises from the challenge of integrating the High-Luminosity LHC (HL-LHC) upgrade, together with multiple key projects, extensive maintenance and consolidation activities, into a single coherent schedule with a fixed duration of 47 months. Achieving this goal requires precise orchestration of interventions and effective management of resources shared across different facilities. This paper first outlines the LS3 preparation framework for the LHC, with an emphasis on the adopted methodology to accomplish the LS3 objectives and the preparation of the LHC schedule. It also investigates the main challenges associated with LS3 execution and presents the strategies and tools envisaged to address them. A unifying environment for monitoring and reporting is introduced—a platform that integrates interactive dashboards designed to streamline the progress visualisation and ensure a reliable reporting throughout the LS3 period.

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Authors

Dr Beniamino Di Girolamo (European Organization for Nuclear Research) David Nisbet (European Organization for Nuclear Research) Estrella Vergara Fernandez (European Organization for Nuclear Research) Giulia Papotti (European Organization for Nuclear Research) Jean-Philippe Tock (European Organization for Nuclear Research) Maria Barberan Marin (European Organization for Nuclear Research) Dr Marzia Bernardini (European Organization for Nuclear Research) Michele Loffredo (European Organization for Nuclear Research)

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