Onyshchenko M. Charge particles acceleration by wake fields in dielectric and space charge waves in relativistic electron beams

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0407U000750

Thesis Registration Form

0407U000750.pdf

Applicant for

Specialization

  • 01.04.20 - Фізика пучків заряджених частинок

13-02-2007

Specialized Academic Board

Д 64.845.01

National Science Center "Kharkiv Institute of Physics and Technology"

Essay

A theory of wakefield excitation in a semi-infinite dielectric waveguide of rectangular cross-section by a sequence of short relativistic electron bunches is developed. Exact expressions for Cherenkov wave, transition radiation and quenching wave fields are obtained. It is shown that structure of longitudinal electric field has form of periodic narrow peaks as a result of equidistant transversal modes interference. The resonator concept of dielectric wakefield accelerator is investigated that allows to increase amplitude of electric field. Nonlinear processes of ion flow interaction with the virtual cathode are investigated as well as nonlinear theory of ion oscillator flow instability in field of relativistic electron beam

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Files

Автореферат_Онищенко.doc

Диссертация_Онищенко.doc

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