Electron cloud development in the Proton Storage Ring and in the Spallation Neutron Source
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Electron cloud development in the Proton Storage Ring and in the Spallation Neutron Source

  • Author(s): Pivi, M.T.F.
  • Furman, M.A.
  • et al.
Abstract

We have applied our simulation code "POSINST" to evaluate the contribution to the growth rate of the electron-cloud instability in proton storage rings. Recent simulation results for the main features of the electron cloud in the storage ring of the Spallation Neutron Source (SNS) at Oak Ridge, and updated results for the Proton Storage Ring (PSR) at Los Alamos are presented in this paper. A key ingredient in our model is a detailed description of the secondary emitted-electron energy spectrum. A refined model for the secondary emission process including the so-called true secondary, rediffused and backscattered electrons has recently been included in the electron-cloud code.

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