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@inproceedings{triantafyllou:ipac2021-tupab256, author = {N. Triantafyllou and F. Antoniou and H. Bartosik and P. Baudrenghien and X. Buffat and R. Calaga and L.R. Carver and T. Mastoridis and Y. Papaphilippou and A. Wolski}, % author = {N. Triantafyllou and F. Antoniou and H. Bartosik and P. Baudrenghien and X. Buffat and R. Calaga and others}, % author = {N. Triantafyllou and others}, title = {{Investigation of Damping Effects of the Crab Cavity Noise Induced Emittance Growth}}, booktitle = {Proc. IPAC'21}, pages = {2054--2057}, eid = {TUPAB256}, language = {english}, keywords = {emittance, simulation, impedance, cavity, experiment}, venue = {Campinas, SP, Brazil}, series = {International Particle Accelerator Conference}, number = {12}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {08}, year = {2021}, issn = {2673-5490}, isbn = {978-3-95450-214-1}, doi = {10.18429/JACoW-IPAC2021-TUPAB256}, url = {https://jacow.org/ipac2021/papers/tupab256.pdf}, note = {https://doi.org/10.18429/JACoW-IPAC2021-TUPAB256}, abstract = {{Crab cavities will be installed at the two main interaction points (IP1 and IP5) of the High Luminosity LHC (HL-LHC) in order to minimize the geometric reduction of the luminosity due to the crossing angle. Two prototype crab cavities have been installed into the SPS machine and were tested with a proton beam in 2018, to study the expected emittance growth induced by RF noise. The measured emittance growth was found to be a factor 2-3 lower than predicted from the available analytical and computational models. Damping mechanisms from the transverse impedance, which is not included in the available theories, are studied as a possible explanation for the observed discrepancy.}}, }