Electron-cloud Build-up Simulations in the Proposed PS2: Status Report

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A replacement for the PS storage ring is being considered, in the context of the future LHC accelerator complex upgrade, that would likely place the new machine (the PS2) in a regime where the electron-cloud (EC) effect might be significant. We report here our current estimate of the EC density ne in the bending magnets and the field-free regions at injection and extraction beam energy, for both proposed bunch spacings, tb = 25 and 50 ns. The primary model parameters exercised are the peak secondary emission yield (SEY) delta max, the electron-wall impact energy at which the SEY peaks, Emax, ... continued below

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Furman, M. A.; De Maria, R.; Papaphilippou, Y. & Rumolo, G. May 5, 2010.

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A replacement for the PS storage ring is being considered, in the context of the future LHC accelerator complex upgrade, that would likely place the new machine (the PS2) in a regime where the electron-cloud (EC) effect might be significant. We report here our current estimate of the EC density ne in the bending magnets and the field-free regions at injection and extraction beam energy, for both proposed bunch spacings, tb = 25 and 50 ns. The primary model parameters exercised are the peak secondary emission yield (SEY) delta max, the electron-wall impact energy at which the SEY peaks, Emax, and the chamber radius a in the fieldfree regions. We present many of our results as a function of the bunch intensity Nb, and we provide a tentative explanation for the non-monotonic behavior of ne as a function of Nb.

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  • The 1st International Particle Accelerator Conference, IPAC '10 , Kyoto, Japan, May 23-28, 2010; Related Information: Journal Publication Date: June 20110

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  • Report No.: LBNL-4531E
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 1016007
  • Archival Resource Key: ark:/67531/metadc838033

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Office of Scientific & Technical Information Technical Reports

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  • May 5, 2010

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • June 15, 2016, 7:07 p.m.

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Furman, M. A.; De Maria, R.; Papaphilippou, Y. & Rumolo, G. Electron-cloud Build-up Simulations in the Proposed PS2: Status Report, article, May 5, 2010; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc838033/: accessed June 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.