Перегляд за темою "Новые методы ускорения, сильноточные пучки"

Результати 1-20 з 42

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2.5D simulation of plasma wakefield excitation by a nonresonant train of relativistic electron bunches

Lotov, K.V.; Maslov, V.I.; Onishchenko, I.N.; Svistun, E.N. (2010)

By using 2d3v code LCODE the investigations in detail of the reconstruction of a long nonresonant train of relativistic electron bunches into resonant one at plasma wakefield excitation are presented. Because of bunch ...
3D intense beam dynamics simulation by using moments method

Kazarinov, N.; Aleksandrov, V.; Shevtsov, V. (Вопросы атомной науки и техники, 2008)

The program for 3D simulation of the intense charge particle beam dynamics on the base of the Multi-Component Ion Beam code is described. Fast analysis and study of the averaged beam characteristicsis performed by the ...
Application of TPI1-10k/50 thyratrons for building a modulator, intended for supply of inductive-resistive load in double-pulse mode

Akimov, A.V.; Logachev, P.V.; Bochkov, V.D.; Bochkov, D.V.; Dyagilev, V.M.; Ushich, V.G. (Вопросы атомной науки и техники, 2008)

The circuit of modulator, serving to supply inductive-resistive load in double-pulse mode with currents up t10 kA and pulse duration of 300 ns, is described. As switching components TPI1-10k/50 thyratrons (pseudospark ...
Comparison of two focusing methods in low-energy ion linac with electric undulator fields

Masunov, E.S.; Dyubkov, V.S. (Вопросы атомной науки и техники, 2008)

It is well known that nonsynchronous harmonics of RF field (RF undulator) are focusing the particles [1, 2]. In low-energy linear accelerators the periodic sequence of electrostatic lenses (electrostatic undulator) can ...
Computer simulation of low-energy high-current electron beam dynamics in a long plasma-filled diode

Agafonov, A.V.; Tarakanov, V.P. (Вопросы атомной науки и техники, 2008)

Results of computer simulation of low-energy high-current electron beam dynamics in a low-impedance system consisting of a diode with a long plasma anode, just siding with an explosive emission cathode and an auxiliary ...
Effective acceptance evaluation of linear resonance accelerator

Dyubkov, V.S.; Masunov, E.S. (2010)

One of the most important challenges for accelerators is to match an accelerating beam with an accelerator acceptance. It allows one reduce a particle loss. Effective acceptance evaluation of linear resonance accelerator ...
Ion beam acceleration in system from periodic sequence of independetly phased cavities

Masunov, E.S.; Samoshin, A.V. (Вопросы атомной науки и техники, 2008)

Ion superconducting linac is based on periodic system consisting of the identical niobium cavities. By specific phasing of the RF cavities one can provide a stable particle motion in the whole accelerator. In this paper ...
Ion beam dynamics in superconducting drift tube linac

Masunov, E.S.; Plastun, A.S.; Samoshin, A.V. (2010)

Ion superconducting linac is based on periodic system from short identical niobium drift tube cavities. This linac supplies typically 1 MV of accelerating potential per cavity. By specific phasing of the RF cavities one ...
On limits of induced radiation concept in FELs

Gorbunov, M.A.; Lebedev, A.N. (Вопросы атомной науки и техники, 2008)

We discuss a restriction of the induced radiation concept in classical beam systems due to accompanying spontaneous radiation (radiation friction). For short wave-length FELs spontaneous radiation renders a noticeable ...
Stabilization of the excited states

Buts, V.A. (2010)

The mechanism allowing to stabilize excited states of quantum systems is offered. The mechanism stabilization is similar to quantum Zeno’s effect. The difference consists that under system is not made supervision. Instead ...
Successes in development of advanced acceleration methods (overview)

Onishchenko, I.N. (Вопросы атомной науки и техники, 2008)

The most recent results on laser and plasma accelerators are presented and discussed, along with the future developments and their impact on table-top accelerators and related applications, as well as the impact of particle ...
The beam space charge neutralization in UNDULAC-E

Masunov, E.S.; Polozov, S.M. (2010)

One of main problems in accelerator physics is the increasing of ion beam intensity. The linear undulator accelerator with electrostatic undulator (UNDULAC-E) was proposed for ion beam acceleration. The accelerating force ...
The new approach for definition of volume confined by ECR surface and its area in ECR ion source

Philippov, A.V. (Вопросы атомной науки и техники, 2008)

The volume confined by resonance surface and its area are one of the important parameters of the balance equations model for calculation of ion charge–state distribution (CSD) in electron–cyclotron resonance (ECR) ion ...
Threshold of spontaneous emission amplification by relativistic electron beam in undulator

Ognivenko, V.V. (Вопросы атомной науки и техники, 2008)

Motion of a relativistic beam of electrons through an undulator is considered, with the influence of incoherent fields its spontaneous radiation on this motion being taken into aсcount. Interaction of electrons with these ...
Using BEAMDULAC code for multi-beam dynamics investigation in ion linac

Masunov, E.S.; Polozov, S.M. (Вопросы атомной науки и техники, 2008)

The BEAMDULAC code was developed for beam dynamics investigation in RF linacs and transport channels. The beam dynamics can be studied with the accurate treatment of space charge effects by means of this code. In this paper ...
Wake force excited by ultrarelativistic electron bunch in rectangular waveguide with periodic perturbed walls

Opanasenko, A. (Вопросы атомной науки и техники, 2008)

А perturbation method for calculation of wakefields in a periodic waveguides with periodic perturbed walls is developed. The analytical formulas for a transverse component of an alternating wake force were derived.
Возбуждение кильватерных волн последовательностью сгустков релятивистских электронов в диэлектрических структурах прямоугольной конфигурации

Киселев, В.А.; Линник, А.Ф.; Маршалл, Т.С.; Мирный, В.И.; Онищенко, И.Н.; Сотников, Г.В.; Усков, В.В. (Вопросы атомной науки и техники, 2008)

Проведены теоретические и экспериментальные исследования возбуждения кильватерных полей последовательностью релятивистских сгустков электронов в диэлектрических структурах прямоугольного сечения для высокоградиентного ...
Генерация интенсивного терагерцового излучения в диэлектрической структуре сверхкороткими электронными сгустками

Галайдыч, К.В.; Марков, П.И.; Онищенко, И.Н.; Сотников, Г.В. (2010)

Проанализирован способ получения мощного излучения терагерцового диапазона, основанный на возбуждении кильватерного поля в диэлектрическом резонаторе интенсивными короткими электронными сгустками. В качестве резонатора был ...
Излучение нерелятивистских осцилляторов в периодическом потенциале (квантовая теория)

Буц, В.А. (2010)

Изложены результаты квантовой теории излучения заряженных частиц, которые движутся в пространственно-периодическом потенциале и во внешнем электромагнитном поле. Найдены условия возбуждения излучения, частота которого ...
Изучение возможности работы накопителя протонов ИЯИ РАН при низких энергиях

Моисеев, В.А. (Вопросы атомной науки и техники, 2008)

Накопитель протонов ИЯИ РАН был разработан для преобразования 600 МэВ пучка линейного ускорителя для экспериментальных задач. Современное состояние ускорителя ИЯИ РАН позволяет производить пучок частиц с существенно меньшей, ...

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Перегляд за темою "Новые методы ускорения, сильноточные пучки"

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