Перегляд за темою "New methods of charged particles acceleration"

Результати 1-17 з 17

Acceleration of electron bunches using periodic dielectric structures with and without coating

Vasyliev, A.V.; Bolshov, O.O.; Galaydych, K.V.; Povrozin, A.I.; Sotnikov, G.V. (Вопросы атомной науки и техники, 2021)

The numerical studies of high acceleration gradients obtaining for the dielectric laser accelerators (DLA) based on-chip structures with one-sided laser excitation at a wavelength of 800 nm are presented. The electron ...
A method for maintaining the acceleration rate and increasing the energy of self-injected bunch due to the use of inhomogeneous plasma

Bondar, D.S.; Maslov, V.I.; Onishchenko, I.N. (Problems of Atomic Science and Technology, 2023)

The paper considers the process of excitation of a wakefield in a plasma by a laser pulse. The plasma density corresponds to the density of free electrons in the metal. A method is demonstrated for keeping self-injected ...
Constructional materials experimental researches on the helium ions linear accelerator

Butenko, V.I.; Dubniuk, S.N.; Dyachenko, A.F.; Коbets, А.P.; Manuilenko, O.V.; Pavlii, K.V.; Soshenkо, V.A.; Tishkin, S.S.; Zajtsev, B.V. (Вопросы атомной науки и техники, 2021)

The basic parameters of an irradiation and their registration system for constructional materials irradiated on the helium ions linear accelerator are resulted. Experimental techniques and some researches results of the ...
Dependence of wakefield excitation in plasma by non-resonant sequence of electron bunches on their lengths

Bondar, D.S.; Boychenko, A.P.; Maslov, V.I.; Onishchenko, I.N.; Ovsiannikov, R.T. (Вопросы атомной науки и техники, 2021)

The present paper describes the results of numerical simulation (using 2d3v code LCODE) of the regime, when the wakefield is excited at maximum growth rate in the plasma by a nonresonant sequence of relativistic electron ...
Elaboration of the plasma-dielectric wakefield accelerator with a profiled sequence of driver electron bunches

Onishchenko, I.N.; Galaydych, K.V.; Kniaziev, R.R.; Krivonosov, G.O.; Linnik, A.F.; Markov, P.I.; Omelayenko, O.L.; Pristupa, V.I.; Sotnikov, G.V.; Us, V.S.; Zaleskiy, D.Yu. (Problems of Atomic Science and Technology, 2023)

A theoretical and experimental study of wakefield excitation by a profiled sequence of relativistic electron bunches in the plasma-dielectric structure, the parameters of which provide the conditions for the excitation of ...
Engineering of the low-energy beam transport line in the He⁺ ions linac

Dubniuk, S.N.; Dyachenko, A.F.; Tishkin, S.S.; Zajtsev, B.V. (Вопросы атомной науки и техники, 2021)

The design of a low-energy beam transport line in the helium ions linear accelerator is proposed. For experiments with the low-energy helium ions the vacuum chamber in a transport line is in addition included for an ...
Focusing of positron bunch when moving in electron bunch wakefield in the dielectric waveguide filled with plasma

Sotnikov, G.V.; Knyazev, R.R.; Markov, P.I.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2021)

The results of numerical PIC-simulation of focusing accelerated (test) positron and drive electron bunches in the dielectric waveguide filled with radially heterogeneous plasma with the vacuum channel are given in the ...
Inhomogeneous travelling-wave accelerating sections and WKB approach

Ayzatsky, M.I. (Вопросы атомной науки и техники, 2021)

The paper presents the results of a study of the possibility of using the WKB approach to describe Inhomogeneous Travelling-Wave Accelerating Sections. This possibility not only simplifies the calculation, but also allows ...
Investigation of parameters of electron and positron bunches in a plasma-dielectric wakefield accelerator

Markov, P.I.; Kniaziev, R.R.; Sotnikov, G.V. (Problems of Atomic Science and Technology, 2023)

The results of numerical PIC-simulation of the dynamics of accelerated positron and drive electron bunches under wake acceleration in a dielectric waveguide filled with plasma with a vacuum channel are presented. The wake ...
Ion generation by tungsten filament for pyroelectric pulsed accelerator

Ivashchuk, O.O.; Shchagin, A.V.; Kubankin, A.S.; Bolotov, E.V.; Miroshnik, V.S.; Volkov, V.I.; Grigoriev, Yu.V. (Вопросы атомной науки и техники, 2021)

The article is devoted to investigation of ion generation by tungsten filament in vacuum. Electron and ion currents from tungsten filament at different residual air gas pressures are measured and compared. Dependencies of ...
On effective acceleration of charged particles in vacuum

Buts, V.A.; Zagorodny, A.G. (Вопросы атомной науки и техники, 2021)

The results of studying the dynamics of particles in the fields of large-amplitude transverse electromagnetic waves are presented. The main attention is paid to the description of the found conditions, under which the ...
Plasma lens for electron and positron beams

Bondar, D.S.; Maslov, V.I.; Onishchenko, I.N.; Ovsiannikov, R.T. (Вопросы атомной науки и техники, 2021)

Focusing of both electron and positron bunches in electron-positron collider is necessary. When long electron/positron bunch is injected into the plasma, the focusing force is not uniform but oscillated. It is shown that ...
Schemes for acceleration a part of electrons of drive electron bunches in the dielectric wakefield structure

Linnik, A.F.; Krivonosov, G.A.; Omelayenko, O.L.; Sotnikov, G.V. (Problems of Atomic Science and Technology, 2023)

The paper presents several schemes for obtaining the main (witness) bunches from a long sequence of electron bunches, as well as from a part of a single electron bunch in the dielectric wakefield structure. The selected ...
Simple pulse microwave waveguide calorimeter with temperature sensor LM 35

Linnik, A.F.; Zalesky, D.Yu. (Problems of Atomic Science and Technology, 2023)

The paper presents the construction of a storage-type waveguide calorimeter designed to measure the energy of a sequence of short microwave pulses. The radiation is absorbed by water or ethanol, then the temperature increase ...
Spatio-temporal structure of Cherenkov radiation excited by a laser pulse in an ionic dielectric waveguide

Balakirev, V.A.; Markov, P.I.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2021)

The process of excitation of Cherenkov electromagnetic radiation by a laser pulse in an ionic dielectric waveguide, is investigated. The frequency spectrum and mode composition of the Cherenkov radiation are determined. ...
Wake excitation of plasma and electromagnetic oscillations by a relativistic electron bunch in a plasma resonator

Balakirev, V.A.; Onishchenko, I.N. (Problems of Atomic Science and Technology, 2023)

The process of the excitation of plasma and electromagnetic oscillations by a relativistic electron bunch in a plasma resonator is considered. It is shown that the potential electric field of plasma oscillations contains ...
Wakefield excitation by a ramped electron bunch train in a plasma-dielectric waveguide

Galaydych, K.V.; Sotnikov, G.V.; Onishchenko, I.N. (Вопросы атомной науки и техники, 2021)

A linear theory of wakefield excitation by a ramped electron bunch train in a cylindrical plasma-dielectric waveguide is presented. It is shown that during an excitation process the drive bunches are in the focusing field ...

Результати 1-17 з 17

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Перегляд за темою "New methods of charged particles acceleration"

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Перегляд за темою "New methods of charged particles acceleration"

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