Author: Polozov, S.M.
Paper Title Page
WECAMH01
 Ion Accelerators for Russian Mega-Science Projects  
 
  • T. Kulevoy, G. Kropachev, S.M. Polozov, A. Sitnikov
    ITEP, Moscow, Russia
  • T. Kulevoy, S.M. Polozov, A.V. Samoshin
    MEPhI, Moscow, Russia
  
  The mega-science facilities based on large scale accelerators are a distinctive feature of modernity. Today Nuclotron-based Ion Collider fAcility (NICA) is a flagman Russian mega-science project under implementation. As well several other projects of scientific facilities such as Dubna Electron-Radioactive Ion Collider fAcility (DERICA), 4th generation Dubna neutron source "Neptun" and Based on ECR and Linear Accelerator multidisciplinary facility (BELA) are under discussion. The ion linear accelerators required for these projects have different parameters - some of them are operated in cw mode another in pulses one, some has intensity of microamperes another tens of milliamperes, some of them accelerates proton beam only meanwhile another one accelerates ions up to uranium. Anyway the general structure of them (ion source, RFQ, normal conducting DTL and superconducting cavities) and approaches of the ion accelerator development are similar. The current status and main problems of the ion accelerator development for the projects are presented and discussed.  
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MOXMH04
 Current Results of the 4th Generation Light Source USSR (Former SSRS4) Development  
THPSC02   use link to see paper's listing under its alternate paper code  
 
  • S.M. Polozov, I.A. Ashanin, S.V. Barabin, Y.A. Bashmakov, A.E. Blagov, D.K. Danilova, A.A. Dementev, V.V. Dmitriyeva, N.S. Dudina, V.S. Dyubkov, A.M. Feshchenko, Ye. Fomin, A. Gogin, M. Gusarova, Yu.D. Kliuchevskaia, V. Korchuganov, T. Kulevoy, M.V. Lalayan, D.A. Liakin, Y. Lozeev, T.A. Lozeeva, A.A. Makhoro, N.V. Marchenkov, S.V. Matsievskiy, V.Yu. Mekhanikova, O.A. Mosolova, A.Y. Orlov, A.V. Popova, A.I. Pronikov, V.I. Rashchikov, A.A. Savchenko, R.A. Senin, V.L. Shatokhin, A.S. Smygacheva, A.A. Tishchenko, V. Ushakov, A.G. Valentinov
    NRC, Moscow, Russia
  • I.A. Ashanin, Y.A. Bashmakov, D.K. Danilova, A.A. Dementev, V.V. Dmitriyeva, V.S. Dyubkov, A.M. Feshchenko, M. Gusarova, Yu.D. Kliuchevskaia, T. Kulevoy, M.V. Lalayan, Y. Lozeev, T.A. Lozeeva, A.A. Makhoro, S.V. Matsievskiy, V.Yu. Mekhanikova, O.A. Mosolova, A.S. Panishev, S.M. Polozov, A.V. Popova, A.I. Pronikov, V.I. Rashchikov, A.V. Samoshin, A.A. Savchenko, V.L. Shatokhin, A.A. Tishchenko
    MEPhI, Moscow, Russia
  • S.V. Barabin, A. Bolshakov, T. Kulevoy, D.A. Liakin, A.Y. Orlov
    ITEP, Moscow, Russia
  • Y.A. Bashmakov
    LPI, Moscow, Russia
  • J.C. Biasci, J.M. Chaize, G. Le Bec, S.M. Liuzzo, C. Maccarrone, H.P. Marques, P. Raimondi, J.-L. Revol, K.B. Scheidt, S.M. White
    ESRF, Grenoble, France
  
  Funding: Project is supported by Ministry of Science and Education of Russian Federation, Agreements 14.616.21.0086 from 24.11.2017, ID RFMEFI61617X0086, 14.616.21.0088 from 24.11.2017, ID RFMEFI61617X0088
The new project of 4th generation synchrotron light source called Ultimate Source of Synchrotron Radiation (USSR) today is under development at NRC Kurchatov Institute. A number of Russian institutions also take part in this project: NRNU MEPhI, NRC "Kurchatov Institute" - ITEP and others. The European Synchrotron Radiation Facility (ESRF, Grenoble, France) is the main international collaborator of the project. It is proposed that USSR include both a storage ring and soft FEL, and one linac will be used for injection in the storage ring and as a driver for the FEL. The preliminary design of 6 GeV storage ring with transverse emittance of 50-70 pm*rad is done. The general concept of the top-up linac is proposed and the beam dynamics is simulated. The injection system and the vacuum systems are studied. Current results of the USSR R&D will be presented in this report. 		 
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WECAMH06 Progress of the NICA Complex Injection Facility Development 75
 
  • A.A. Martynov
    JINR/VBLHEP, Dubna, Moscow region, Russia
  • A.V. Butenko, D.E. Donets, B.V. Golovenskiy, A. Govorov, A.D. Kovalenko, K.A. Levterov, D.A. Lyuosev, D.O. Ponkin, K.V. Shevchenko, I.V. Shirikov, A.O. Sidorin, A.V. Smirnov, G.V. Trubnikov
    JINR, Dubna, Moscow Region, Russia
  • H. Höltermann, H. Podlech, U. Ratzinger, A. Schempp
    BEVATECH, Frankfurt, Germany
  • T. Kulevoy
    ITEP, Moscow, Russia
  • S.M. Polozov
    MEPhI, Moscow, Russia
  
  The new accelerator complex Nuclotron-based Ion Collider fAcility (NICA) is under development and construction at JINR, Dubna now. This complex is assumed to operate using two injectors: the Alvarez type linac LU-20 as injector of light ions, polarized protons and deuterons and a new linac HILAc - injector of heavy ions beams. The modernization of Alvarez-type linac began in 2016 by commissioning of new RFQ foreinjector, and in 2017 the new buncher in front of linac has been installed. The first Nuclotron run with new buncher was performed in January 2018 with beams of Xe+, Ar+ and Kr+. The beam produced by KRION-6T ion source were successfully injected and accelerated in the Nuclotron ring during the last run #55. Main results of the last Nuclotron run and plans for future development of NICA injection complex are presented in this paper.  
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DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-WECAMH06  
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WECBMH01
 Superconducting Linacs Development for Current and Future Russian Accelerator Projects: Progress and Problems  
 
  • S.M. Polozov, W.A. Barth, M. Gusarova, T. Kulevoy, M.V. Lalayan, A.V. Samoshin, S. Yaramyshev, V. Zvyagintsev
    MEPhI, Moscow, Russia
  • W.A. Barth, S. Yaramyshev
    GSI, Darmstadt, Germany
  • W.A. Barth
    HIM, Mainz, Germany
  • A.V. Butenko, A.S. Fomichev, L.V. Grigorenko, B.Y. Sharkov, E. Syresin, G.V. Trubnikov
    JINR, Dubna, Moscow Region, Russia
  • T. Kulevoy
    ITEP, Moscow, Russia
  • V. Zvyagintsev
    TRIUMF, Vancouver, Canada
  
  Superconducting linac is nowadays a standard technology to generate high-energy proton and ion beams especially for CW operation mode. Starting from SNS at ORNL * superconducting radio frequency (SRF) technology and superconducting (SC) linacs are changed from the exotic to classical technology of today. Many ion accelerator complexes developed in USA, EU, Japan, China, Korea and other countries for spallation neutron sources, production of radioactive ion beams and ADS (Accelerator Driven System) drivers use SC cavities. Currently, the mega-science accelerator project NICA ** (Nuclotron-based Ion Collider fAcility, JINr) as well as new proposed projects DERICA *** (Dubna Electron-Radioactive Ion Collider fAcility), NEPTUN, BELA ****(Based on ECR and Linear Accelerator multidisciplinary facility), etc. cannot be constructed without SRF technologies development in Russia. New ambitious program of SRF technology has been started few years ago by JINR in collaboration with MEPhI, NRC KI ITEP, BSU, PTI NANB, TRIUMF and GSI. Current progress in general conceptual design of new SC linacs, beam dynamics simulation of SC cavities and related issues will be discussed in this presentation.
* N. Holtkamp. Proc. of EPAC'2006, 29-33.
** G. Trubnikov, N. Agapov, V. Alexandrov et al., Proc. of IPAC'10, 693 (2010).
*** http://aculina.jinr.ru/derica.php 		 
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WEPSB01
 Results of Beam Dynamics Simulations for Two Variants of 6 GeV Booster of the 4th Generation Light Source USSR  
 
  • S.M. Polozov, V.S. Dyubkov, O.A. Mosolova
    NRC, Moscow, Russia
  • A. Bolshakov
    ITEP, Moscow, Russia
  • V.S. Dyubkov, O.A. Mosolova, S.M. Polozov
    MEPhI, Moscow, Russia
  
  Funding: Project is supported by the Ministry of Science and Education of Russian Federation (agreement No 14.616.21.0086 from 24.11.2017, ID RFMEFI61617X0086)
Modern project of 4th generation synchrotron light source USSR (Ultimate Source of Synchrotron Radiation) is under consideration now in Russia. A FEL is considered as a part of USSR complex. For this reason top-up linac is discussed as the main injector. Nevertheless, other injection schemes should be studied too and two variants of the booster ring are proposed. On the one hand the booster ring can be placed together with the main storage ring in common tunnel similarly to Sirius, TPS and SLS. In this case its circumference will be close to 1300 m. Alternately, compact (~ 300 m) booster ring is also under investigation. Current status of the development of two booster variants and preliminarily results of the electron dynamics simulation are presented. 		 
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WEPSB03
 Beam Dynamics Simulation for LINAC-100 - Heavy Ion "Driver" for DERICA Project  
 
  • T.A. Lozeeva, T. Kulevoy, S.M. Polozov, A.V. Samoshin
    MEPhI, Moscow, Russia
  • A.S. Fomichev, L.V. Grigorenko
    JINR/FLNR, Moscow region, Russia
  • T. Kulevoy
    ITEP, Moscow, Russia
  
  R&D on new Dubna Electron Radioactive Ion Collider fAcility (DERICA) implies the development of two heavy ion linear accelerators LINAC-100 and LINAC-30 each capable of accelerating ions within the wide range of mass/charge ratios A/Z. LINAC-100 will accelerate intensive CW primary stable isotope beams (from B11 to U238 with A/Z ~6) with beam currents up to 10 puA for radioactive isotope production using fragmentation method. As a concept for LINAC-100 modular system of independently phased SC cavities with NC CW RFQ section in injector part is proposed. In order to obtain maximum range of secondary ions acceleration up to 50 AMeV for U238 and 100 AMeV for "light" ions should be provided. Moreover, to enlarge flexibility in radioactive ion production conditions and expand using of LINAC-100 on applied physics purposes it is desirable to have three modes of accelerator operation: with maximum light ion energies of 50, 75 and 100 AMeV. In this paper the results of A/Z ~6 beam dynamics studies for modular part of LINAC-100 for CW operation mode will be presented.  
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WEPSB04 Thermodynamics Simulation for the CW Radio-Frequency Quadrupole Accelerator 282
 
  • S.M. Polozov, Y. Lozeev
    MEPhI, Moscow, Russia
  
  Design and construction of CW high intensity linacs are important issues of worldwide accelerator technology development. RFQ linacs are useful for large scale research facilities such as SNS, ADS and FRIB. RFQ are necessary to use for low-energy nuclear and radioactive ion physics (e.g., DERICA - Dubna Electron - Radioactive Ion Collider fAcility project, Dubna, Russia). Some solutions are applied for RFQ to oper-ate in CW mode. The decrease of accelerating field and of RF field overvoltage is one of that solutions. Maximal field for CW RFQ is traditionally limited by 1.3-1.5 of the Kilpatrick criterion value comparatively of 1.8-2.0 for the pulse mode. But the thermostabilization of the RFQ cavity is very important problem. Accelerating structure undergoes high thermal loads for operating a CW mode, therefore water cooling system is needed. In this report a selection of an optimal resonator shape and water cooling system con-figuration was done and thermodynamics simulation results will presented.  
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DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-WEPSB04  
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WEPSB05 Beam Dynamics Simulation Results in the 6 GeV Top-Up Injection Linac of the 4th Generation Light Source USSR 285
 
  • S.M. Polozov, I.A. Ashanin, Yu.D. Kliuchevskaia, M.V. Lalayan, A.I. Pronikov, V.I. Rashchikov
    MEPhI, Moscow, Russia
  • I.A. Ashanin, Yu.D. Kliuchevskaia, M.V. Lalayan, S.M. Polozov, A.I. Pronikov, V.I. Rashchikov
    NRC, Moscow, Russia
  
  Funding: Project is supported by the Ministry of Science and Education of Russian Federation, Agreement No 14.616.21.0086 from 24.11.2017, ID RFMEFI61617X0086
The new project of 4th generation synchrotron light source USSR (Ultimate Source of Synchrotron Radiation) is under development today. It was proposed that USSR will include both storage ring and soft FEL and one linac will used for injection in synchrotron and as a driver for FEL. The general concept of the top-up linac is proposed and the beam dynamics was simulated. It is suggested to use two RF-guns in this linac similar to Super-KEKB, MAX-IV and CERN FCC. One of the RF-guns should be classical with thermionic cathode and will be used for injection. The second one having photogun will use to generate a bunch train (for FEL. Current results of the top-up linac general scheme development and first results of the beam dynamics simulation will present. 		 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-WEPSB05  
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WEPSB24
 Development of the Vacuum System of the Specialized Synchrotron Radiation Source SSRS4 in Kurchatov Institute  
 
  • V.L. Shatokhin, V.S. Dyubkov, A.S. Panishev, S.M. Polozov, A.V. Popova
    MEPhI, Moscow, Russia
  • V.S. Dyubkov, S.M. Polozov, A.V. Popova, V.L. Shatokhin
    NRC, Moscow, Russia
  • S.M. Liuzzo, C. Maccarrone, H.P. Marques
    ESRF, Grenoble, France
  
  Funding: This work was supported by the Ministry of Science and Education of Russian Federation, Agreement No 14.616.21.0086 from 24.11.2017, ID RFMEFI61617X0086
The vacuum system design has been started now for the 4th generation Specialized Synchrotron Radiation Source (SSRS4). The SSRS4 project is under development at the National Research Center "Kurchatov Institute" in the partnership with the European Synchrotron Radiation Facility, ESRF, Grenoble, France. Basic parameters of the vacuum system of SSRS4 and its structure are main objects of the investigation. Principles of the vacuum system elements modeling and the vacuum simulation in chambers near the charged particles trajectory are considered. The main attention during of the SSRS4 vacuum system development is directed to the choice of computational models and for the specification of vacuum chambers and them internal surfaces parameters. The first version of the periodic structure of the vacuum system is proposed and it will be discussed in report. 		 
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WEPSB46
 QWR and HWR SC Cavities R&D for New Superconducting Linac for JINR Nuclotron-NICA Injection  
 
  • M. Gusarova, T. Kulevoy, M.V. Lalayan, T.A. Lozeeva, S.V. Matsievskiy, R.E. Nemchenko, S.M. Polozov, A.V. Samoshin, V.L. Shatokhin, N.P. Sobenin, D.V. Surkov, K.V. Taletskiy, V. Zvyagintsev
    MEPhI, Moscow, Russia
  • A.A. Bakinowskaya, V.S. Petrakovsky, I.L. Pobol, A.I. Pokrovsky, D.A. Shparla, A. Shvedau, S.V. Yurevich, V.G. Zaleski
    Physical-Technical Institute of the National Academy of Sciences of Belarus, Minsk, Belarus
  • M.A. Baturitski, S.A. Maksimenko
    INP BSU, Minsk, Belarus
  • A.V. Butenko, N. Emelianov, M. Gusarova, A.O. Sidorin, E. Syresin, G.V. Trubnikov
    JINR, Dubna, Moscow Region, Russia
  • S.E. Demyanov
    Scientific-Practical Materials Research Centre of the National Academy of Sciences of Belarus, Minsk, Belarus
  • V.A. Karpovich
    BSU, Minsk, Belarus
  • T. Kulevoy
    ITEP, Moscow, Russia
  • V.N. Rodionova
    Belarussian State University, Scientific Research Institute of Nuclear Problems, Minsk, Belarus
  • A.O. Sidorin
    Saint Petersburg State University, Saint Petersburg, Russia
  • V. Zvyagintsev
    TRIUMF, Vancouver, Canada
  
  A superconducting or partially superconducting linac is discussed as new injector for Nuclotron-NICA complex. New linac will accelerate protons up to 25 MeV (and up to 50 MeV at the second stage of the project) and light ions to ~7.5 MeV/u. The progress in R&D of QWR and HWR superconducting cavities is discussed in this report. The design of QWR and its normal conducting copper model is finished and PTI NANB is ready to manufacture of the prototype. Two designs of HWR were discussed: one with a cylindrical central conductor and another with the conical one. The electrodynamics design of HWR had been finished before now but it should be corrected taking into account some manufacture problems. Current results of the development of the RF coupler and the test cryostat will also present .  
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THPSC01
 Results of Beam Dynamics Simulation for the Main Ring of the 4th Generation Light Source USSR  
 
  • V.S. Dyubkov, A.A. Makhoro, O.A. Mosolova, S.M. Polozov
    NRC, Moscow, Russia
  • A. Bolshakov
    ITEP, Moscow, Russia
  • V.S. Dyubkov, Y. Lozeev, T.A. Lozeeva, A.A. Makhoro, V.Yu. Mekhanikova, O.A. Mosolova, S.M. Polozov, V.I. Rashchikov, A.V. Samoshin
    MEPhI, Moscow, Russia
  • S.M. Liuzzo, P. Raimondi, S.M. White
    ESRF, Grenoble, France
  
  Funding: Project is supported by the Ministry of Science and Education of Russian Federation (agreement No 14.616.21.0086 from 24.11.2017, ID RFMEFI61617X0086)
The new 4th generation synchrotron light source USSR (Ultimate Source of Synchrotron Radiation) is under development at National Research Center "Kurchatov Institute" now. The full-scale 6 GeV storage ring is considered as the main part of USSR light source. Beam dynamics simulations shows that this ring, with 7BA magnet lattice, can provide the horizontal beam emittance close to (50-70) pm*rad. Currently, circumference of storage ring is about 1300 m because of considering magnets without combined functions. The general concept of the storage ring, its magnetic lattice and first beam dynamics simulation results will be discussed. 		 
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THPSC03 The Tuning of the Accelarating Structure Utilizing Electrostatic Undulator 404
 
  • N.V. Avreline
    TRIUMF, Vancouver, Canada
  • S.M. Polozov
    MEPhI, Moscow, Russia
  
  The accelerating structure based on an electrostatic undulator is very attractive for bunching and acceleration of ribbon beams of light ions with beam current over 1 A. It also allows simultaneously accelerate two ion beams with positive and negative charged ions. This paper is presenting the analytical model of the accelerating structure. Also the paper is presenting the results of the simulation in ANSYS HFSS and the results of the experimental study of the mock-up of this structure that demonstrate the ways of tuning of the uniform transverse electrical RF field in its accelerating channel.  
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DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-THPSC03  
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