PDF-SLACPUB BUNCH LENGTH MEASUREMENTS USING A TRANSVERSE R

May 2002 Contributed to the Eighth European Particle Accelerator Conference Paris France 632002672002 R Akre L Bentson P Emma P Krejcik Stanford Linear Accelerator Center Stanford University Stanford CA 94309 brPage 2br Work supported by DOE contr. 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 . DRs. :. What we know so far and what else we need to study….. E. . Koukovini-Platia. . M. Barnes, A. . Grudiev. , N. . Mounet. , Y. . Papaphilippou. , G. Rumolo. Updated list of parameters . with the new lattice design at 3 TeV . E. . Koukovini-Platia. CERN, EPFL. TIARA mid-term meeting, Madrid, 13. th. June 2012. Many thanks to . M. . Dehler. , N. . Milas. , A. . Streun. CLIC . DR/ SLS . parameters. SLS Parameter. Value. Energy [. - setup of 25 ns beams on Q20 production cycle –. & future MD planning. many thanks to . Hannes. . Bartosik. and Gianni . Iadarola. 10/10/12. LIU-SPS Coordination Meeting. Nominal 25ns beam (1.15e11ppb) – Q20. David Johnson, Todd Johnson. US-Japan Collaboration Meeting. 14-March-2018. Lasers for Accelerators. Lasers have been used for laser profile monitors; SNS, BNL, JPARC, …and . H. -. . g. -> H. 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, 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 . ADT Transverse Feedback & Gap Cleaning. Readiness for MJ Beams. June 2015 . Wolfgang Hofle, CERN BE-RF for ADT Team. LHC Transverse Damper (ADT). Initially . designed for. I. njection. oscillation damping. R. Apsimon. Lancaster University / Cockcroft Institute. Motivation. Currently bunch length and energy spread measurements done with separate diagnostics. Can’t reconstruct the longitudinal phase space. 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. ECE at SPS and LHC. Hofle. CERN BE-RF-FB. o. n behalf of a multi-lab team. CERN – SLAC – LBNL – LNF-INFN. W. Hofle @ECLOUD12 - La Biodola, Elba, Italy. 09.06.2012. June 9, 2012. 1. focused on damping intra-bunch transverse oscillations for proton bunches. S. Gilardoni BE/ABP. In collaboration with: H. . Bartosik. , H. . Damerau. , B. Goddard,. V. . Kain. , G. . . Rumolo. , . G. . Sterbini. h=7. b. sp. ≈ 330 ns (4 - 6 b.) . . h=21. b. sp.≈100 ns (18 b.) . . length. . monitor. Comissioning. . and. . first. . results. . of. a . possible. . standard. . diagnostic. . tool. Laurens Wissmann. Bernd Steffen, . Jonas Breunlin. EO@BC2 – A robust . bunch. Slides and animations from Marco Lonza. Sincrotrone Trieste - Elettra. Hermann . Schmickler. CAS 2013 - Trondheim. 2. Outline. . Introduction. Basics of feedback systems. Feedback system components.