Recovering about 5 km of LHC Beam Vacuum System after Sector 3-4 Incident

During the sec­tor 3-4 incident, the two apertures of the 3 km long cryogenic vacuum sectors of the CERN Large Hadron Collider (LHC) were brutally vented to helium. A systematic visual inspection of the beam pipe revealed the presence of soot, metallic debris and super insulation debris. After four...

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Detalles Bibliográficos
Autores principales: Baglin, Vincent, Henrist, Bernard, Jenninger, Berthold, Jimenez, Jose, Mahner, Edgar, Schneider, Gerhard, Sinturel, Alexandre, Vidal, Alexis
Lenguaje:eng
Publicado: 2010
Materias:
Accelerators and Storage Rings
Acceso en línea:http://cds.cern.ch/record/1310306
Descripción
Sumario:During the sec­tor 3-4 incident, the two apertures of the 3 km long cryogenic vacuum sectors of the CERN Large Hadron Collider (LHC) were brutally vented to helium. A systematic visual inspection of the beam pipe revealed the presence of soot, metallic debris and super insulation debris. After four month of cleaning, the beam vacuum system was recovered. This paper describes the tools and methodologies developed during this period, the achieved performances and discusses possible upgrades

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