Lessons Learned from PEP-II LLRF and Longitudinal Feedback

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The PEP-II B-Factory collider ended the final phase of operation at nearly twice the design current and 4X the design luminosity. To highlight the evolution from the original conceptual design through to the 1.2E34 final machine we choose one example each from the broadband feedback and from the LLRF system. They illustrate the original design estimation missed some very significant details, and how in the course of PEP-II operation unexpected difficulties led to significant insights and new approaches which allowed higher machine performance. We present valuable 'lessons learned' which are of interest to designers of next generation feedback and impedance ... continued below

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3 pages

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Fox, J.D.; Mastorides, T.; Rivetta, C.H.; Van Winkle, D.; /SLAC; Teytelman, D. et al. August 26, 2010.

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The PEP-II B-Factory collider ended the final phase of operation at nearly twice the design current and 4X the design luminosity. To highlight the evolution from the original conceptual design through to the 1.2E34 final machine we choose one example each from the broadband feedback and from the LLRF system. They illustrate the original design estimation missed some very significant details, and how in the course of PEP-II operation unexpected difficulties led to significant insights and new approaches which allowed higher machine performance. We present valuable 'lessons learned' which are of interest to designers of next generation feedback and impedance controlled LLRF systems.

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3 pages

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  • Journal Name: Conf.Proc.C0806233:weobm02,2008; Conference: EPAC'08, 11th European Particle Accelerator Conference, 23-27 June 2008, Genoa, Italy

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  • Report No.: SLAC-PUB-14166
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 992957
  • Archival Resource Key: ark:/67531/metadc1013240

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  • August 26, 2010

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  • Oct. 14, 2017, 8:36 a.m.

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  • Nov. 3, 2017, 1:25 p.m.

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Fox, J.D.; Mastorides, T.; Rivetta, C.H.; Van Winkle, D.; /SLAC; Teytelman, D. et al. Lessons Learned from PEP-II LLRF and Longitudinal Feedback, article, August 26, 2010; [California]. (digital.library.unt.edu/ark:/67531/metadc1013240/: accessed September 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.