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dc.contributor.authorSalvachua, Belen
dc.contributor.authorAssmann, Ralph W.
dc.contributor.authorBruce, Roderik
dc.contributor.authorBurkart, Florian
dc.contributor.authorRedaelli, Stefano
dc.contributor.authorValentino, Gianluca
dc.contributor.authorWollmann, Daniel
dc.identifier.citationSalvachua, B., Redaelli, S., Valentino, G., Wollmann, D., Burkart, F., Assmann, R. W., & Bruce, R. (2013). Lifetime analysis at high intensity colliders applied to the LHC. 4th International Particle Accelerator Conference, Shanghai. 1005-1007.en_GB
dc.description.abstractThe beam lifetime is one of the main parameters to define the performance of a collider. In a super-conducting machine like the LHC, the lifetime determines the intensity reach for a given collimation cleaning. The beam lifetime can be calculated from the direct measurement of beam current. However, due to the noise in the beam current signal only an average lifetime over several seconds can be calculated. We propose here an alternative method, which uses the signal of the beam loss monitors in the vicinity of the primary collimators to get the instantaneous beam lifetime at the collimators. In this paper we compare the lifetime from the two methods and investigate the minimum lifetime over the LHC cycle for all the physics fills in 2011 and 2012. These data provide a reference for estimates of performance reach from collimator cleaning.en_GB
dc.subjectLarge Hadron Collider (France and Switzerland)en_GB
dc.subjectCollimators (Optical instrument) -- Calibrationen_GB
dc.subjectParticle beam instabilitiesen_GB
dc.subjectElectron beamsen_GB
dc.titleLifetime analysis at high intensity colliders applied to the LHCen_GB
dc.rights.holderThe copyright of this work belongs to the author(s)/publisher. The rights of this work are as defined by the appropriate Copyright Legislation or as modified by any successive legislation. Users may access this work and can make use of the information contained in accordance with the Copyright Legislation provided that the author must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the prior permission of the copyright holderen_GB
dc.bibliographicCitation.conferencename4th International Particle Accelerator Conferenceen_GB
dc.bibliographicCitation.conferenceplaceShanghai, China, 12-17/05/2013en_GB
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