Limiting current of axisymmetric relativistic charged-particle beam propagating in strong axial magnetic field in coaxial drift tube
- Institute for Radiophysics and Electronics of NAS of Ukraine, 12 Akad. Proskury Street, Kharkiv 61085 (Ukraine)
- National Science Center 'Kharkiv Institute of Physics and Technology' of NAS of Ukraine, 1 Akademichna Street, Kharkiv 61108 (Ukraine)
In the strong axial magnetic field approximation, we calculate the space-charge limited (SCL) current of axisymmetric relativistic charged-particle beam in a coaxial drift tube of finite length. Results are compared to analytical estimates and numerical modeling of SCL current in the infinitely long drift tube. For the infinitely long drift tube, which inner conductor is biased and the outer conductor is lined with a finite-width dielectric insert, analytic approximations for the SCL current in the bias voltage are developed.
- OSTI ID:
- 22072486
- Journal Information:
- Physics of Plasmas, Vol. 19, Issue 6; Other Information: (c) 2012 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 1070-664X
- Country of Publication:
- United States
- Language:
- English
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