A. Sidorin
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View article: Bench Tests of the RF1 Barrier System of the NICA Collider
Bench Tests of the RF1 Barrier System of the NICA Collider Open
The Joint Institute for Nuclear Research (JINR) is constructing a heavy ion collider based on the existing superconducting synchrotron, Nuclotron - NICA (Nuclotron based Ion Collider fAcility). It will be a multistage accelerator complex d…
View article: Operation of Rf Systems During Joint Booster and Nuclotron Sessions
Operation of Rf Systems During Joint Booster and Nuclotron Sessions Open
The article discusses the results of commissioning of RF systems of the NICA injection complex and plans for their further development. The preparation of the injection complex for injection into the collider requires an increase in the be…
View article: Hydrogen-Induced Microstructure Changes in Zr/Nb Nanoscale Multilayer Structures
Hydrogen-Induced Microstructure Changes in Zr/Nb Nanoscale Multilayer Structures Open
Zr/Nb nanoscale multilayer coatings (NMCs) were studied after hydrogenation in a gaseous environment at 400 °C. The hydrogen distribution and content were determined by pressure and hydrogenation time. Increasing the pressure from 0.2 to 2…
View article: The Microstructure of Zr/Nb Nanoscale Multilayer Coatings Irradiated with Helium Ions
The Microstructure of Zr/Nb Nanoscale Multilayer Coatings Irradiated with Helium Ions Open
The effect of helium ion irradiation on the microstructure and properties of composites based on Zr/Nb nanoscale multilayer coatings (NMCs) was studied. X-ray diffraction (XRD), transmission electron microscopy (TEM), and variable-energy D…
View article: Features of the Electronic Cooling System of the NICA Booster
Features of the Electronic Cooling System of the NICA Booster Open
The report presents the results obtained during the commissioning the Electron Cooling System (ECS) of the Booster, the first in the chain of three synchrotrons of the NICA accelerator complex. The work was performed without an ion beam an…
View article: Experimental Investigation the Synthetic Crystal Diamond Plates of Methods of Positron Annihilation Spectroscopy
Experimental Investigation the Synthetic Crystal Diamond Plates of Methods of Positron Annihilation Spectroscopy Open
The results of experimental studies of synthetic diamond plates as a promising element of X-ray optics of synchrotrons by positron annihilation spectroscopy using the LNP im. V.P. Dzhelepov, JINR.
View article: Acceleration the Beams of He⁺ and Fe14+ Ions by HILAC and its Injection into NICA Booster in its Second Run
Acceleration the Beams of He⁺ and Fe14+ Ions by HILAC and its Injection into NICA Booster in its Second Run Open
Injector of NICA accelerating facility based on the Heavy Ion Linear Accelerator (HILAC) is aimed to inject the heavy ions having atomic number A~200 and ratio A/Z - 6.25 produced by ESIS ion source accelerated up to the 3.2 MeV for the in…
View article: Beam Transfer Systems of NICA Facility: from HILAC to Booster
Beam Transfer Systems of NICA Facility: from HILAC to Booster Open
New accelerator complex is being constructed by Joint Institute for Nuclear Research (Dubna, Russia) in frame of Nuclotron-based Ion Collider fAcility (NICA) project. The NICA layout includes new Booster and existing Nuclotron synchrotrons…
View article: The NICA Complex Injection Facility
The NICA Complex Injection Facility Open
The Nuclotron-based Ion Collider fAcility (NICA) is under construction in JINR. The NICA goals are providing of colliding beams for studies of hot and dense strongly interacting baryonic matter and spin physics. The NICA complex injection …
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: First Experiments with Accelerated Ion Beams in the Booster of NICA Accelerator Complex
First Experiments with Accelerated Ion Beams in the Booster of NICA Accelerator Complex Open
The NICA accelerator complex in JINR consist of two linear injector chains, a 578 MeV/u superconducting (SC) Booster synchrotron, the existing SC synchrotron Nuclotron, and a new SC collider that has two storage rings. The construction of …
View article: Acceleration of He⁺ Beams for Injection Into NICA Booster During its First Run
Acceleration of He⁺ Beams for Injection Into NICA Booster During its First Run Open
Heavy Ion Linear Accelerator (HILAC) is designed to accelerate the heavy ions with ratio A/Z=6.25 produced by ESIS ion source up to the 3.2 MeV for the injection into superconducting synchrotron (SC) Booster. HILAC was commissioned in 2018…
View article: Development of Positron Annihilation Spectroscopy at Joint Institute for Nuclear Research
Development of Positron Annihilation Spectroscopy at Joint Institute for Nuclear Research Open
The method of Positron Annihilation Spectroscopy (PAS) has been under development and application since 2013 at the Low Energy Particle Toroidal Accumulator (LEPTA) facility in the Dzhelepov Laboratory of Nuclear Problems of JINR.The PAS a…
View article: NICA project: Challenges for heavy ion collider
NICA project: Challenges for heavy ion collider Open
The global scientific goal of the NICA/MPD (Nuclotron-based Ion Collider fAcility/Multy Purpose Detector) project realizing at JINR is to explore the phase diagram of strongly interacting matter in the region of high compression. The propos…
View article: Longitudinal Particle Dynamics and Cooling in NICA Collider
Longitudinal Particle Dynamics and Cooling in NICA Collider Open
A feature of the NICA acceleration complex is high luminosity of colliding beams. Three types of RF stations will be used in the NICA Collider to reach the necessary beam parameters. The first one is for accumulation of particles in the lo…
View article: Tracking simulation of the bunched beam stochastic cooling
Tracking simulation of the bunched beam stochastic cooling Open
Mapping equation for the bunched beam stochastic cooling is formulated. For the NICA project parameters, the obtained result is compared with analytical description. According to the results the preferable stochastic cooling method for the…
View article: The new light-ion linac for the NICA collider
The new light-ion linac for the NICA collider Open
With the realization of the NICA project, a joint team from JINR (Dubna, Russia) and Bevatech GmbH (Frankfurt-am-Main, Germany) is now realizing the new light ion linac LILac. Results of beam dynamics and conceptual design are discussed in…
View article: NUCLOTRON Development for NICA Acceleration Complex
NUCLOTRON Development for NICA Acceleration Complex Open
The Nuclotron is the basic facility of JINR used to generate beams of protons, polarized deuterons and protons, and multi charged ions in the energy range of up to 5.6 GeV/n. Polarized deuteron and proton beams were obtained at the intensi…
View article: NICA Accelerator Complex at JINR
NICA Accelerator Complex at JINR Open
Status of the project of NICA accelerator complex, which is under construction at JINR (Dubna, Russia), is presented. The main goal of the project is to provide ion beams for experimental studies of hot and dense baryon-ic matter and spin …
View article: Injection Complex Development for the NICA-project at JINR
Injection Complex Development for the NICA-project at JINR Open
The new accelerator complex Nuclotron-based Ion Collider fAcility (NICA) is still under construction at JINR, Dubna. Two Linacs should serve as injectors for this new accelerator complex. LU-20 as an Alvarez based lLinac for light polarize…
View article: IBS Near Transition Crossing in NICA Collider
IBS Near Transition Crossing in NICA Collider Open
Intrabeam scattering (IBS) of charged particles in a particle beam results in an exchange of energy between different degrees of freedom. That results in an increase of average energy of particles in the beam frame and an increase of the 3…
View article: Status of the Nuclotron
Status of the Nuclotron Open
Since last RuPAC two runs of the Nuclotron operation were performed. The run #54 performed in February ' March of 2017 was dedicated to polarized beam acceleration. One of the achievements was the acceleration of polarized proton beam perf…
View article: Selection of the Type of Accelerating Structures for the Second Group of Cavity SC Linac Nuclotron-NICA
Selection of the Type of Accelerating Structures for the Second Group of Cavity SC Linac Nuclotron-NICA Open
The paper summorises the research results aimed on the choice of superconducting accelerating cavities for the second section of the SC linac Nuclotron-NICA injector project. This choice was based on comparative analysis of accelerating st…
View article: Development of Positron Annihilation Spectroscopy at the LEPTA Facility
Development of Positron Annihilation Spectroscopy at the LEPTA Facility Open
The report aims to present the status of the development of the LEPTA facility for further enhancement of the positron annihilation spectroscopy (PAS) method application at the LEPTA facility. The research in solid state physics performed …
View article: Commissioning of the New Heavy Ion Linac at the NICA Project
Commissioning of the New Heavy Ion Linac at the NICA Project Open
The new accelerator complex Nuclotron-based Ion Collider fAcility (NICA) is now under development and construction at JINR, Dubna. This complex is assumed to operate using two injectors: modernized old Alvarez-type linac LU-20 as the injec…
View article: QWR resonator Cavities Electrodynamics Simulations for new Nuclotron-NICA Injector
QWR resonator Cavities Electrodynamics Simulations for new Nuclotron-NICA Injector Open
New linac-injector for Nuclotron-NICA is planned to consist of quarter-wave coaxial cavities (QWR) having velocities of ~0.07c and ~0.12c (beam energy from 5 to 17 MeV). These cavities are to be superconducting and operating at 162 MHz. Cu…
View article: Status of R&D on New Superconducting Injector Linac for Nuclotron-NICA
Status of R&D on New Superconducting Injector Linac for Nuclotron-NICA Open
The new collaboration of JINR, NRNU MEPhI, INP BSU, PTI NASB, BSUIR and SPMRC NASB starts in 2015 the project of linac-injector design in 2015. The goal of new linac is to accelerate protons up to 25 MeV (and up to 50 MeV at the second sta…
View article: Beam Transfer From Heavy-Ion Linear Accelerator HILAC Into Booster of NICA Accelerator Complex
Beam Transfer From Heavy-Ion Linear Accelerator HILAC Into Booster of NICA Accelerator Complex Open
Designs of systems of ion beam transfer from the linear accelerator HILAC into the Booster of the NICA accelerator complex (JINR, Dubna) including the transport beam line HILAC-Booster and the beam injection system of the Booster are consi…
View article: Proposal to Symmetric Quench Detection at Superconducting Elements by Bridge Scheme Usage
Proposal to Symmetric Quench Detection at Superconducting Elements by Bridge Scheme Usage Open
In the frame of the NICA project two new superconducting accelerators will be constructed - the Booster and the NICA collider. Specialized facility for manufacturing and testing of the SC magnets for the NICA and FAIR projects is under dev…