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Internal Note | |
Report number | CERN-ACC-NOTE-2017-0009 |
Title | Coupled-bunch instabilities due to fundamental cavity impedance |
Author(s) | Mastoridis, Themistoklis (California Polytechnic State Univ. (US)) ; Baudrenghien, Philippe (CERN) ; Chapochnikova, Elena (CERN) ; Esteban Muller, Juan (CERN) ; Molendijk, John (CERN) ; Timko, Helga (CERN) |
Corporate author(s) | CERN. Geneva. ATS Department |
Publication | 2017 |
Imprint | 15 Feb 2017 |
Number of pages | mult. |
Subject category | Accelerators and Storage Rings |
Accelerator/Facility, Experiment | CERN LHC |
Technology | Radiofrequency |
Processes | Beam Dynamics |
Keywords | longitudinal ; coupled-bunch instabilities |
Abstract | The purpose of this MD was to estimate the stability threshold due to longitudinal coupled-bunch instabilities (CBIs) driven by the RF cavities' fundamental impedance. These instabilities are not a concern for the LHC. A model was developed to study the stability threshold for the High-Luminosity LHC (HL-LHC). The goal of this MD was to validate this model and thus its predictions for the HL-LHC stability margins. |
Submitted by | [email protected] |