Please use this identifier to cite or link to this item: https://www.um.edu.mt/library/oar/handle/123456789/28437
Title: Performance of the LHC collimation system during 2015
Authors: Valentino, Gianluca
Bruce, Roderik
Fiascaris, M.
Garcia, Hector
Hermes, Pascal Dominik
Kwee-Hinzmann, Regina
Mereghetti, Alessio
Mirarchi, Daniele
Quaranta, E.
Redaelli, Stefano
Rossi, Adriana
Rossi, Roberto
Salvachua, Belen
Theodoropoulos, Panagiotis
Valloni, Alessandra
Wagner, Jorg
Keywords: Large Hadron Collider (France and Switzerland)
Colliders (Nuclear physics)
Collimators (Optical instrument) -- Calibration
Issue Date: 2015
Publisher: CERN
Citation: Valentino, G., Hermes, P., Mirarchi, D., Rossi, R., Rossi, A., Kwee, R., ... & Redaelli, S. (2015). Performance of the LHC collimation system during 2015. 6th Evian Workshop on LHC beam operation, Evian Les Bains. 1-6.
Abstract: During the long shutdown, a total of 32 collimators were replaced or installed to improve the Run 1 system, including 18 new collimators with embedded beam position monitors, additional physics debris collimators, additional passive absorbers and the re-installation or displacement of existing collimators. The commissioning experience as well as the performance of the collimation system in 2015 is reviewed following these upgrades. In particular, the operational experience with the embedded BPM collimators is discussed, emphasizing the improvements on alignment efficiency and the strategy for better orbit monitoring. Improvements of collimation setting validation through an optimized loss map strategy are also presented. Further improvements planned for 2016 are discussed.
URI: https://www.um.edu.mt/library/oar//handle/123456789/28437
Appears in Collections:Scholarly Works - FacICTCCE

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