Author: Lalayan, M.V.
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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 In 2015 the cascade transformer 800 kV which is pre-accelerator of LU-20 had been replaced by the new RFQ linac (energy 155 keV for ions with Z/A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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WEPMB045 Measurement of Higher Order Modes Electrodynamic Characteristics for Array of Two 2400 MHz Cavities 2214
 
  • Ya.V. Shashkov, R.V. Donetskiy, M.V. Lalayan, N.P. Sobenin
    MEPhI, Moscow, Russia
  • A. Orlov
    NRNU, Moscow, Russia
  
  Funding: *Work supported by Ministry of Education and Science grant 3.245.2014/r and the EU FP7 HiLumi LHC ' Grant Agreement 284404
In the frameworks of the High Luminosity Large hadron collider (HL-LHC) upgrade program an application of additional superconducting harmonic cavities operating at 800 MHz is currently under discussion. As a candidate, the two cavities with grooved beam pipes connected by the drift tube were suggested. In this article of measurements of Qload are performed for the aluminum model of array of two cavities connected by drift tube. Field distribution of Fundamental Mode (FM) and Higher Order Modes (HOM) were measured for aluminum prototype with a frequency of the operational mode of 2400 MHz, and their comparison with the simulation results.
Higher order modes 		 
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-WEPMB045  
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