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dc.contributor.authorHermes, Pascal Dominik
dc.contributor.authorBruce, Roderik
dc.contributor.authorFiascaris, M.
dc.contributor.authorGarcia, Hector
dc.contributor.authorGiovannozzi, M.
dc.contributor.authorKwee-Hinzmann, Regina
dc.contributor.authorMereghetti, Alessio
dc.contributor.authorMirarchi, Daniele
dc.contributor.authorQuaranta, E.
dc.contributor.authorRedaelli, Stefano
dc.contributor.authorSalvachua, Belen
dc.contributor.authorValentino, Gianluca
dc.identifier.citationHermes, P., Fiascaris, M., Salvachua, B., Redaelli, S., Quaranta, E., Valentino, G., ... & Garcia, H. (2016). Improved aperture measurements at the LHC and results from their application in 2015. 7th International Particle Accelerator Conference, Busan. 1-4.en_GB
dc.description.abstractA good knowledge of the available aperture in the LHC is essential for a safe operation due to the risk of magnet quenches or even damage in case of uncontrolled beam losses. Experimental validations of the available aperture are therefore crucial and were in the past carried out by either a collimator scan combined with beam excitations or through the use of local orbit bumps. In this paper, we show a first comparison of these methods in the same machine configuration, as well as a new very fast method based on a beam-based collimator alignment and a new faster variant of the collimator scan method. The methods are applied to the LHC operational configuration for 2015 at injection and with squeezed beams and the measured apertures are presented.en_GB
dc.subjectLarge Hadron Collider (France and Switzerland)en_GB
dc.subjectColliders (Nuclear physics)en_GB
dc.subjectCollimators (Optical instrument) -- Calibrationen_GB
dc.titleImproved aperture measurements at the LHC and results from their application in 2015en_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.conferencename7th International Particle Accelerator Conferenceen_GB
dc.bibliographicCitation.conferenceplaceBusan, South Korea, 8-13/05/2016en_GB
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