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Article
Numerical Simulation of an Electron Beam Source with a Plasma Cathode and Effect of Source Parameters on Electron Emission
The results of numerical simulation by PIC codes of an electron beam source based on a plasma emitter are presented. A cell of a multi-aperture source used in the experiment is simulated with parameters close ...
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Article
Gas-Dynamic Multiple-Mirror Trap GDMT
This work is devoted to the project of a new-generation open trap, gas-dynamic multiple-mirror trap (GDMT), proposed at the Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences. Th...
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Article
Two-Dimensional Simulation of a Plasma Electron Emitter by PIC-Code
In a two-dimensional plane-parallel geometry, the particle-in-cell method was used to numerically simulate a plasma electron emitter with a slit emission aperture. The cases of different ratios of aperture siz...
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Article
Numerical Simulation of the Electron Beam Source at GDT Device
The results of numerical simulation of electron beam formation in inhomogeneous magnetic field under conditions of irradiation of its source by the plasma containing a supersonic deuteron flux are presented. T...
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Article
Boundary Conditions in the Source of an Electron Beam on the Surface of the Anode Plasma with a Supersonic Ion Flow
A solution for the one-dimensional Poisson problem for a layer on the surface of a plasma ion emitter is obtained. The case of plasma with a directed ion velocity greater than the ionic sound one is considered...
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Article
Numerical Modeling of Electron Beams in a Source with a Plasma Cathode and Their Transport in a Magnetic Field
The formation of electron beams and their transport in a mirror-type guiding magnetic field are modeled numerically for two types of an experimental electro-optical system in the accelerating diode of an elect...
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Article
Numerical Simulation of the Operation of a Wide-Aperture Electron Gun with a Grid Plasma Emitter and Beam Output into the Atmosphere
Numerical simulation of physical processes in the electron-optical system of a DUET accelerator was carried out using the ERA-DD code. The calculations were made on adaptive quasi-structured grids developed by...
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Article
Studying the energy stability of a vacuum-insulated tandem accelerator using γ-resonance reactions
Experiments on the detection of γ rays generated in the 13C(p, γ)14N reaction at the Novosibirsk vacuum-insulated tandem accelerator were carried out. Owing to the updated detection system, it was possible to mea...
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Article
Boundary conditions on the plasma emitter surface in the presence of a particle counter flow: I. Ion emitter
Emission of positively charged ions from a plasma emitter irradiated by a counterpropagating electron beam is studied theoretically. A bipolar diode with a plasma emitter in which the ion temperature is lower ...
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Article
Generation of a submillisecond electron beam with a high-density current in a plasma-emitter diode under the conditions of open plasma boundary emission
The generation of a 250-μs-wide electron beam in a plasma-emitter diode is studied experimentally. A plasma was produced by a pulsed arc discharge in hydrogen. The electron beam is extracted from a circular em...
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Article
Generation of High-Power Sub-THz Waves in Magnetized Turbulent Electron Beam Plasmas
Sub-THz radiation can be generated by conversion of plasma waves into electromagnetic (EM) radiation in a plasma with strong Langmuir (LT) turbulence produced via a two-stream instability of a high current rel...
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Article
Multipurpose implanter for high technology development
To provide basic operations of semiconductor and radiation materials technologies, a multipurpose implanter with intense ion beams was developed at the Institute of Nuclear Physics. The generated beamparameter...
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Article
A source of a high-power relativistic electron beam with high brightness
A ribbon diode of a U-2 accelerator (800 kV, ∼30 kA) intended for generating a high-intensity electron beam for heating plasma in a GOL-3 multimirror magnetic trap (Budker Institute of Nuclear Physics, Siberia...
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Article
Optimization of a ribbon diode with magnetic insulation for increasing the current density in a high-current relativistic electron beam
The geometry of the ribbon diode of the U-2 accelerator is optimized to increase both the current density and the total current of the relativistic electron beam for its subsequent injection into the plasma of...
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Article
Spectroscopic studies of the interaction of a high-power plasma stream with a solid on the GOL-3 facility
Experiments involving irradiation of carbon targets with a hot electron plasma stream performed on the GOL-3 facility were aimed at the simulation of the effect of hot plasma of a thermonuclear reactor on plas...
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Article
Numerical simulation of plasma motion in a magnetic field. Two-dimensional case
A model of dynamics and heating of a plasma cloud in a magnetic field is considered in a two-temperature approximation. Based on a predictor-corrector-type implicit difference scheme, spreading of a plasma clo...
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Article
Numerical Simulation of Plasma Dynamics in a Nonuniform Magnetic Field
An efficient algorithm is proposed enabling numerical simulations of plasma dynamics in a nonuniform magnetic field. The present numerical data are in good agreement with experimental data obtained in a GOL-3 set...
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Article
Study of the mechanism for fast ion heating in the GOL-3 multimirror magnetic confinement system
Results are presented from experimental studies of ion heating in the GOL-3 device. The experiments were carried out in a multimirror configuration with a local magnetic well. It was found that, during the inj...
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Article
Determining the Spatial Structure of a High-Power Electron Beam Using Optical Radiation Emitted by a Beam Collector
A method for determining the spatial structure of a high-power relativistic electron beam is described. Using an absolutely calibrated CCD collector, the thermal-radiation brightness distribution of the beam-c...
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Article
Experimental study of the evaporation and expansion of a solid pellet in a plasma heated by an electron beam
Results are presented from experiments on the injection of solid pellets into a plasma heated by an electron beam in the GOL-3 device. For this purpose, two pellet injectors were installed in the device. The t...
