| Paper |
Title |
Page |
| MOPB004 |
Design of a RF Quadrupole Resonator for Landau Damping in HL-LHC |
51 |
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- K. Papke, A. Grudiev
CERN, Geneva, Switzerland
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The design and optimization of a quadrupole resonator for transverse Landau damping in the High Luminosity Large Hadron Collider (HL-LHC) is presented. Two different cavity types are considered whose shape is determined by quadrupolar strength, surface peak fields, and beam coupling impedance. The lower order and higher order mode (LOM and HOM) spectra of the optimized cavities are investigated and different approaches for their damping are proposed. Along an example, the required RF power and optimal external quality factor for the input coupler is derived.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-SRF2017-MOPB004
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| MOPB017 |
Multiphysics Simulations of the Wide Opened Waveguide Crab-cavity |
90 |
| |
- K. Papke, A. Amorim Carvalho, A. Grudiev, C. Zanoni
CERN, Geneva, Switzerland
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In the frame of a FCC study a first prototype of a compact superconducting crab-cavity, using Nb-on-Cu-coating technique is being manufactured and investigated. The design, which is based on the ridged waveguide resonator, is subjected to multipacting and pressure sensitivity simulations. First results of theses simulations are presented and compared to those of other SRF cavities. Furthermore, several aspects related to the design of the fundamental mode coupler and HOM dampers are presented.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-SRF2017-MOPB017
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