PPT-Can Space Charge Stabilize a Bunch Greatly?

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Can Space Charge Stabilize a Bunch Greatly 1 AB APC talk Aug 1 amp 2 2018 Alexey Burov Fermilab Many thanks to T Zolkin and E Metral Problem 2 AB Single bunch in

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Can Space Charge Stabilize a Bunch Greatly?: Transcript

Can Space Charge Stabilize a Bunch Greatly 1 AB APC talk Aug 1 amp 2 2018 Alexey Burov Fermilab Many thanks to T Zolkin and E Metral Problem 2 AB Single bunch in a circular machine Linear optics. . EC potential impact to colliders. Reaching a high start luminosity. Very short . i. -bunches . achieved by . longitudinal cooling . in combination with . SRF. . (. cannot. be attained with . stochastic cooling. S. everal successful ramps to store. No beam loss (thanks to well tuned ramp). Power supply switch-over transient is not a problem. Developed llrf feedback algorithms for the bouncer cavities. Outstanding issue is getting average radius as good as with the 28 MHz ramps. 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 . radia. soft. .net. . 1. Chromatic and Space Charge Effects. in Nonlinear Integrable Optics. Stephen D. Webb. #1. , David Bruhwiler. 1. , Alexander Valishev. 2. ,. Rami Kishek. 1,3. , Slava Danilov. .. The results from FLASH II . tests. Sven Ackermann. FEL . seminar. Hamburg, . April. . 23. th. , 2013. Motivation for FLASH II. .. Generate. . more. . photon. . user. beam time. . by. fast . C. . Behrens. , W. Decking, . M. Dohlus, H. . & D. Edwards, . C. . Gerth, . T. . . Hellert. , T. Limberg, P. Piot, E. Schneidmiller, . M. . Scholz. , M. Vogt, S. . Wesch, M. . Yurkov, I. Zagorodnov. O. ptimization. . for . S. imultaneous. . O. peration . with . Different . B. unch . C. harges. Yauhen Kot. BD Meeting 23.04.2012. Contents. How it theoretically can work, technical constraints. WP for 20pC. 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 . Yuhong. Zhang. MEIC Collaboration Meeting Spring 2015. March 30 and 31, 2015. MEIC ion injector complex was . designed . more than . 10 years . ago . B. ack at that time, it . had a . different . goal for the . Andrea Latina (BE-ABP-LAT). Outline. Study of Single-bunch effects. Short-range . wakefields. Short-range wakes stability. Beam transport and misalignments. Orbit amplitude amplification. Emittance growth. [f]acilitate U.S. private industry demonstration of cargo and crew space transportation capabilities with the goal of achieving safe, reliable, cost effective access to low-Earth orbit[; and] [c]reate Yannis . PAPAPHILIPPOU. Accelerator and Beam Physics group. Beams Department. CERN. Ninth International Accelerator School for Linear Colliders. 26 October – 6 November 2015, . Whistler BC, Canada. Beam Dynamics in the CCR. Speaker. : . Chris Tennant, Jefferson Laboratory. Collaborators. : . Slava. . Derbenev. , David Douglas, Fay Hannon, Andrew Hutton, . Rui. Li, Bob . Rimmer. , Yves Roblin, Chris Tennant, . Beam instability theory and modeling. Contents:. Introduction. Longitudinal instabilities (1D): Microbunching and multi-stream instabilities. . Transverse instabilities (2D): Resistive wall instability and Landau damping.

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