Beam Breakup Instabilities in Linear Accelerators: Transition, Phase Mixing and Nonlinear Focusing

Abstract

The temporal and spatial evolution of the cumulative beam breakup instability (BBU) is analyzed numerically using a continuum model. It is found that neither phase mixing nor linear transverse focusing is sufficient to render BBU stable in a long pulse machine, when external damping is absent. A sufficiently strong nonlinear octupole focusing field may limit the BBU growth, however. Keywords: Beam break up; Electron beam instability; Linear accelerators; Beam circuit interaction.

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Document Details

Document Type
Technical Report
Publication Date
Dec 13, 1988
Accession Number
ADA202670

Entities

People

  • Dennis G. Colombant
  • Yueying Lau

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Betatrons
  • California
  • Cyclotrons
  • Differential Equations
  • Electrical Engineering
  • Electron Beams
  • Electrons
  • Engineering
  • Equations
  • Instability
  • Linear Accelerators
  • Military Research
  • Nuclear Engineering
  • Numerical Integration
  • Partial Differential Equations
  • Transitions
  • Universities

Fields of Study

  • Physics

Readers

  • Atmospheric Science / Meteorology, specifically Wind Wave Turbulence.
  • Control Systems Engineering.
  • Solar Physics

Technology Areas

  • Directed Energy
  • Microelectronics