Particle-beam approach to collective instabilities -- application to space-charge dominated beams Metadata

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Title

  • Main Title Particle-beam approach to collective instabilities -- application to space-charge dominated beams

Creator

  • Author: Lee, K.Y. Ng and S.Y.
    Creator Type: Personal

Contributor

  • Sponsor: United States. Department of Energy. Office of Energy Research.
    Contributor Type: Organization
    Contributor Info: USDOE Office of Energy Research (ER)

Publisher

  • Name: Fermi National Accelerator Laboratory
    Place of Publication: Batavia, Illinois

Date

  • Creation: 1998-11-01

Language

  • English

Description

  • Content Description: Nonlinear dynamics deals with parametric resonances and di#11;usion. The phenomena are usually beam-intensity independent and rely on a particle Hamiltonian. Collective instabilities deal with beam coherent motion, where the Vlasov equation is frequently used in conjunction with a beam-intensity dependent Hamiltonian. We ad- dress the questions: Are the two descriptions the same? Are collective instabilities the results of encountering parametric resonances whose driving force is intensity depen- dent? We study here the example of a space-charge dominated beam governed by the Kapchinskij-Vladimirskij (K-V) envelope equation [1]. The stability and instability regions as functions of tune depression and envelope mismatch are compared in the two approaches. The study has been restricted to the simple example of a uniformly focusing channel.
  • Physical Description: 2,402 Kilobytes

Subject

  • STI Subject Categories: 43 Particle Accelerators
  • Keyword: Space Charge
  • STI Subject Categories: 66 Physics
  • Keyword: Instability
  • Keyword: Particle Beams

Source

  • Conference: 16th Advanced ICFA Beam Dynamics Workshop on Nonlinear and Collective Phenomena in Beam Physics, Arcidosso, Italy, September 1-5, 1998

Collection

  • Name: Office of Scientific & Technical Information Technical Reports
    Code: OSTI

Institution

  • Name: UNT Libraries Government Documents Department
    Code: UNTGD

Resource Type

  • Article

Format

  • Text

Identifier

  • Other: DE00002061
  • Report No.: FERMILAB-Conf-98/344
  • Office of Scientific & Technical Information Report Number: 2061
  • Archival Resource Key: ark:/67531/metadc672214
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