Determination of Longitudinal Phase Space in SLAC Main Accelerator Beams

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In the E164 Experiment at that Stanford Linear Accelerator Center (SLAC), we drive plasma wakes for electron acceleration using 28.5 GeV bunches from the main accelerator. These bunches can now be made with an RMS length of 12 microns, and accurate direct measurement of their lengths is not feasible shot by shot. Instead, we use an indirect technique, measuring the energy spectrum at the end of the linac and comparing with detailed simulations of the entire machine. We simulate with LiTrack, a 2D particle tracking code developed at SLAC. Understanding the longitudinal profile allows a better understanding of acceleration in ... continued below

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3 pages

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Barnes, C.; Decker, F.-J.; Emma, P.; Hogan, M.J.; Iverson, R.; Krejcik, P. et al. June 7, 2005.

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In the E164 Experiment at that Stanford Linear Accelerator Center (SLAC), we drive plasma wakes for electron acceleration using 28.5 GeV bunches from the main accelerator. These bunches can now be made with an RMS length of 12 microns, and accurate direct measurement of their lengths is not feasible shot by shot. Instead, we use an indirect technique, measuring the energy spectrum at the end of the linac and comparing with detailed simulations of the entire machine. We simulate with LiTrack, a 2D particle tracking code developed at SLAC. Understanding the longitudinal profile allows a better understanding of acceleration in the plasma wake, as well as investigation of related effects. We discuss the method and validation of our phase space determinations.

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3 pages

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  • Prepared for Particle Accelerator Conference (PAC 05), Knoxville, Tennessee, 16-20 May 2005

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  • Report No.: SLAC-PUB-11196
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 890457
  • Archival Resource Key: ark:/67531/metadc883299

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  • June 7, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 5, 2016, 2:01 p.m.

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Barnes, C.; Decker, F.-J.; Emma, P.; Hogan, M.J.; Iverson, R.; Krejcik, P. et al. Determination of Longitudinal Phase Space in SLAC Main Accelerator Beams, article, June 7, 2005; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc883299/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.