Author: Gusarova, M.
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MOPOY041 Commissioning of New Proton and Light Ion Injector for Nuclotron-Nica 941
 
  • S.M. Polozov, V.S. Dyubkov, M. Gusarova, T. Kulevoy, A.A. Martynov, A.S. Plastun, A.V. Samoshin
    MEPhI, Moscow, Russia
  • V. Aleksandrov, A.V. Butenko, B.V. Golovenskiy, A. Govorov, V. Kobets, A.D. Kovalenko, V. Monchinsky, V.V. Seleznev, A.O. Sidorin, G.V. Trubnikov
    JINR, Dubna, Moscow Region, Russia
  • V. Andreev, A.I. Balabin, S.V. Barabin, V.A. Koshelev, A.V. Kozlov, G. Kropachev, R.P. Kuibeda, T. Kulevoy, V.G. Kuzmichev, D.A. Liakin, A.Y. Orlov, A.S. Plastun, D.N. Selesnev, A. Sitnikov, Yu. Stasevich
    ITEP, Moscow, Russia
  • A.P. Durkin
    MRTI RAS, Moscow, Russia
  • K.A. Levterov
    JINR/VBLHEP, Dubna, Moscow region, Russia
  • S.V. Vinogradov
    MIPT, Dolgoprudniy, Moscow Region, Russia
 
  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, polarized protons and deuterons and a new linac HILac of heavy ions. Now the modernization of LU-20 is also realized and old pulse DC injector is planning to replace by RFQ linac. New RFQ linac was developed and manufactured and is now under commissioning at Nuclotron injectors hall. New results of RFQ linac resonator testing and measurements, RF power load and linac testing with deuterium and carbon beam will discuss in this report.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-MOPOY041  
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MOPOY042 The Perspective of Jinr Lu-20 Replacement by a Superconducting Linac 944
 
  • S.M. Polozov, M. Gusarova, T. Kulevoy, M.V. Lalayan, A.V. Samoshin, S.E. Toporkov
    MEPhI, Moscow, Russia
  • M.A. Baturitski
    BSU, Minsk, Belarus
  • A.V. Butenko, V. Monchinsky, A.O. Sidorin, G.V. Trubnikov
    JINR, Dubna, Moscow Region, Russia
  • G. Kropachev, T. Kulevoy
    ITEP, Moscow, Russia
  • A.A. Marysheva, V.S. Petrakovsky, I.L. Pobol, A.I. Pokrovsky, S.V. Yurevich, A.Yu. Zhuravsky
    Physical-Technical Institute of the National Academy of Sciences of Belarus, Minsk, Belarus
 
  The new accelerator complex Nuclotron-based Ion Collider fAcility (NICA) is now under development and construction at JINR. Existing Alvarez-type DTL linac LU-20 is now operates as injector of light ions, polarized protons and deuterons to Nuclotron for LHEP experimental program. It provides proton beam of 20 MeV energy and light ions of 5 MeV/u energy. In 2015 the cascade transformer 800 kV which is pre-accelerator of LU-20 had been replaced by the new RFQ linac (energy 155 keV for ions with Z/A<0.5). The proposal on Alvarez linac LU-20 upgrade by a superconducting light ion linac with energy up to 50 MeV is discussed in this report.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-MOPOY042  
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TUPOW023 New 10 MeV High-power Electron Linac for Industrial Application 1794
 
  • S.M. Polozov, D.S. Bazyl, T.V. Bondarenko, M. Gusarova, Yu.D. Kliuchevskaia, M.V. Lalayan, V.I. Rashchikov, E.A. Savin
    MEPhI, Moscow, Russia
  • M.I. Demsky, A.A. Eliseev, V.V. Krotov, D.E. Trifonov
    CORAD Ltd., St. Petersburg, Russia
  • B.S. Han, W.G. Kang, H.G. Park
    EB TECH Co. Ltd., Daejeon, Republic of Korea
 
  Joint team of CORAD and MEPhI developed a new industrial accelerating structure for average beam power up to 20 kW and energy range from 7.5 to 10 MeV. The use of modern methods and codes for beam dynamics simulation, raised coupling coefficient and group velocity of SW biperiodic accelerating structure allowed to reach high pulse power utilization and obtain high efficiency. Gentle buncher provides high capturing coefficient and narrow energy spectrum. The first linear accelerator with this structure was constructed and tested in collaboration with the company EB Tech.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-TUPOW023  
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WEPMB047 Higher Order Modes Couplers for 800 MHz Harmonic Cavity 2217
 
  • Ya.V. Shashkov, R.V. Donetskiy, M. Gusarova, N.P. Sobenin
    MEPhI, Moscow, Russia
 
  Funding: *Work supported by Ministry of Education and Science grant 3.245.2014/r
For the higher order modes damping (HOM) in the 800 MHz superconducting single cell cavity the HOM coupler was developed. Several versions of the coupler design were shown. For the chain of two cavities with couplers the calculations of external Q-factor are presented. The calculations of multipactor discharge of cavity were also conducted.
Higher order modes, Tesla, couplers
 
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-WEPMB047  
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