PPT-Longitudinal Coupled Bunch Instability

Author : ellena-manuel | Published Date : 2019-11-21

Longitudinal Coupled Bunch Instability in MEIC Electron Collider Ring R Li Outline Motivation Mechanism of LCBI Experimental Observations Suppression Schemes PEPII

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Longitudinal Coupled Bunch Instability: Transcript

Longitudinal Coupled Bunch Instability in MEIC Electron Collider Ring R Li Outline Motivation Mechanism of LCBI Experimental Observations Suppression Schemes PEPII Results LCBI in MEIC Wang Ahmed. Short Bunches at FLASH. Outline. Start-2-End Simulations and a fast Model for Longitudinal Phase Space Simulations. Dedicated Benchmark Studies Analysis. Machine Set Up for Short Bunches with Subsequent Photon Pulse Length Measurements . With the kind support of:. B. Mikulec, T. Bohl, B. Dehning, F. Roncarolo, M. Sapinski, Ch. Zamantzas, T. Lefevre, J. Belleman, D. Belohrad, . P. Odier, L. Soby, R. Steerenberg, J. Emery, E. Calvo, . A. Guerrero, H. Damerau, R. Steinhagen, S. Hancock, . Beam instabilities. Giovanni Rumolo. in the Mini-Chamonix Workshop. Friday 15.07.2011, . Jiva. Hill Park Hotel . With the invaluable contributions of: . W. . Hoefle. , . K. Li, E. . Métral. , N. . bunch instabilities in the CERN PS. Acknowledgments: . H. . . Damerau, S. Gilardoni, M. Migliorati, G. Sterbini.. Speaker: L. . . Ventura . . LIU. -PS Student . Day. 21 April 2015. dynamics. James P. Sethna, Center for Bright Beams . Cornell University. Bunch trains. . Linear stability theory; Differential delay . eqns. ; Pseudospectra?. Particle interactions in a bunch: large-N, continuum vs. discrete . : . expectations. , observations and outlook . Humberto Maury Cuna*, Elena Benedetto, Giovanni Rumolo,. . Frank Zimmermann, et al. BCWG, 9 November 2010. * CINVESTAV, Mexico. o. utline. electron-cloud effects. and a Poisson Solver for Periodic Micro Structures. Longitudinal Space Charge Amplifier 1:. Longitudinal Space Charge Amplifier 2:. Poisson Solver for Periodic Micro Structures:. Longitudinal Space Charge . Sergey Antipov, The University of Chicago Advisors: Young-Kee Kim (U.Chicago) and Sergei Nagaitsev (FNAL/U.Chicago) Study of Fast Instability in Recycler Outline What we know about the fast instability? Electron cloud and single . beam collective effects . due . to beam coupling impedance in FCC-. ee. E. Belli, M. . Migliorati. , S. . Persichelli. , M. . Zobov. Outline. Resistive wall wake fields and impedances . scheme to mitigate longitudinal instabilities in Super Proton-Proton Collider. Linhao Zhang, . Jingyu. Tang. Sept. 24, 2019. MCBI 2019 – ICFA mini workshop . Outline. A simple review of the main longitudinal instabilities. Finemet Review. September 14. th. - 15. th. 2015. Acknowledgements:. . S. Gilardoni, M. Haase, M. Migliorati, M. Paoluzzi, D. Perrelet.. Simulation studies and . measurements . for the . PS . coupled-bunch feedback. Slides and animations from Marco Lonza. Sincrotrone Trieste - Elettra. Hermann . Schmickler. CAS 2013 - Trondheim. 2. Outline. . Introduction. Basics of feedback systems. Feedback system components. Twiss . Parameters . in . the SNS linac. Andrei Shishlo. ORNL. SNS Project . Florence, Italy. November . 2015. Outline. Physics picture description. Harmonics analysis. Short RF cavity +drift+ BPM. Algorithm. SPS . Session. 28-Aug-2012. Q20 . instability. . improvement. TMCI . threshold. . expected. . at. 3.5. e. 11 for . low. vert chroma. Up to 4. e. 11 no TMCI . observed. Gives. . margin. to . reach.

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