CERN Accelerating science

Article
Title	Vacuum Performances of Some LHC Collimators
Author(s)	Baglin, Vincent (CERN) ; Bregliozzi, Giuseppe (CERN) ; Jimenez, Jose (CERN) ; Kamiya, Junichiro (JAEA, Ibaraki ; CERN)
Publication	2010
In:	1st International Particle Accelerator Conference, Kyoto, Japan, 23 - 28 May 2010, pp.THPEA085
Subject category	Accelerators and Storage Rings
Accelerator/Facility, Experiment	CERN LHC
Abstract	With the first beams circulating in the CERN Large Hadron Collider (LHC), pressure increases are observed at some collimators positions. This paper describes the collimators vacuum performances measured in the laboratory and also performances obtained in the machine. Based on these observations, estimations of some operational behavior such as pressure increase and NEG reactivation scenario are given
Copyright/License	publication: (License: CC-BY)