Dimitry Liakin
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View article: Control System for a Heavy Ion Laser Source at Synchrotron Complex ICCR
Control System for a Heavy Ion Laser Source at Synchrotron Complex ICCR Open
The article describes the control system for a laser source of heavy ions. The control system has a hierarchical multilevel architecture, determined by the hierarchical structure of the laser ion source, and is a part of the control system…
View article: Quadrupole Focusing Lenses for Heavy Ion Linac
Quadrupole Focusing Lenses for Heavy Ion Linac Open
Simulation results of pulsed current electromagnet quadrupoles with integral of the magnetic field gradient up to 7 T are presented. Magnets for the DTL and MEBT focusing channels are designing for the heavy-ion linac in Institute for Theo…
View article: Design of an Accurate LLRF System for an Array of Two-Gap Resonators
Design of an Accurate LLRF System for an Array of Two-Gap Resonators Open
A particle accelerator based on an array of two-gap resonators requires a control system, which is responsible for precise setup and stabilization of the phase and magnitude of the electromagnetic field in resonators. We develop a cost-eff…
View article: Tuned Delay Unit for a Stochastic Cooling System at NICA Collider
Tuned Delay Unit for a Stochastic Cooling System at NICA Collider Open
Stochastic cooling is one of the crucial NICA (Nuclotron-based Ion Collider fAcility) subsystems. This system requires fine tuning of the response delay to the kicker, for both longitudinal and transverse stochastic cooling systems. The us…
View article: RF Power Generating System for the Linear Ion Accelerator
RF Power Generating System for the Linear Ion Accelerator Open
An RF power supply system based on solid-state amplifiers has been developed for the linear accelerator of heavy ions. The report contains information on the characteristics and composition of the system, presents the LLRF structure for RF…
View article: Control and diagnostic systems for specialized synchrotron radiation source of 4<sup>th</sup> generation SSRS-4
Control and diagnostic systems for specialized synchrotron radiation source of 4<sup>th</sup> generation SSRS-4 Open
The general layout for Specialized Synchrotron Radiation Source 4th generation SSRS 4 is under development by leading of National Research Center “Kurchatov institute”. In the framework of a collaborative project with European Synchrotron …
View article: New Nuclotron Beam Lines and Stations for Applied Researches
New Nuclotron Beam Lines and Stations for Applied Researches Open
New beamlines for applied researches on the Nuclotron are under development within the framework of implementation of the NICA accelerator facility. Ion beams with energies of 150-800 MeV/n extracted from the Nuclotron will be used for rad…
View article: Nuclotron New Beam Channels for Applied Researches
Nuclotron New Beam Channels for Applied Researches Open
Three new experimental areas are organized for applied physics researches in frame of realization of the accelerator facility NICA. New beamlines are under development for applied researches on Nuclotron accelerator. The ion beams with ene…
View article: Asymmetric Four-Vane RFQ
Asymmetric Four-Vane RFQ Open
A four-vane resonator is widely used in Radio Frequency Quadrupole (RFQ) accelerators. The field distribution in a long four-vane resonator can be easily perturbed by nearest dipole modes which are excited due to the local geometry errors.…
View article: Design of 4-vane RFQ with Magnetic Coupling Windows for Nuclotron Injector Lu-20
Design of 4-vane RFQ with Magnetic Coupling Windows for Nuclotron Injector Lu-20 Open
Alvarez-type linac LU-20 is used as Nuclotron injector. In the framework of NICA project the high voltage electrostatic pre-injector for LU-20 has been replaced by RFQ linac. The RFQ was designed by the team of ITEP and MEPhI (Moscow, Russ…
View article: RF Design of the Nuclotron-NICA 145.2 MHz RFQ
RF Design of the Nuclotron-NICA 145.2 MHz RFQ Open
ITEP has designed the Radio-Frequency Quadrupole (RFQ) linac for the JINR NICA Complex (Dubna, Russia) to provide ion beams (q/A ≥ 0.3) with energy of 156 keV/u for further acceleration by existing Alvarez-type linac. The RFQ is based on a…
View article: Commissioning of New Proton and Light Ion Injector for Nuclotron-Nica
Commissioning of New Proton and Light Ion Injector for Nuclotron-Nica Open
The new accelerator complex Nuclotron-based Ion Collider fAcility (NICA) is now under development and construction at JINR. New complex is assumed to operate using two injectors: the Alvarez-type linac LU-20 as injector of light ions, pola…