Author: Panasyuk, V.M.
Paper Title Page
TUX01 Status of the Electron Cooler for NICA Booster and Results of its Commissioning 22
 
  • M.I. Bryzgunov, E.A. Bekhtenev, A.V. Bubley, V.A. Chekavinskiy, A.P. Denisov, A.D. Goncharov, I.A. Gusev, G.V. Karpov, M.N. Kondaurov, N.S. Kremnev, V.M. Panasyuk, V.V. Parkhomchuk, V.A. Polukhin, A.A. Putmakov, V.B. Reva, D.V. Senkov, A.A. Zharikov
    BINP SB RAS, Novosibirsk, Russia
  • A.G. Kobets, S.A. Melnikov, I.N. Meshkov, O. Orlov, S.V. Semenov, A.S. Sergeev, A.A. Sidorin, A.V. Smirnov
    JINR, Dubna, Moscow Region, Russia
  • V.B. Reva
    NSU, Novosibirsk, Russia
 
  The electron cooling system of the NICA booster is intended for accumulation of the ion beam at the injection energy and for cooling at some intermediate energy value before acceleration to the extraction energy. The system was produced in BINP (Novosibirsk, Russia) and commissioned in the JINR (Dubna, Russia) in 2019. The current status of the electron cooler and the results of its tests are presented in the article.  
slides icon Slides TUX01 [12.559 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-COOL2019-TUX01  
About • paper received ※ 09 October 2019       paper accepted ※ 18 October 2019       issue date ※ 01 November 2019  
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THX01 The Status of the Electron Cooling System for the NICA Collider 55
 
  • V.V. Parkhomchuk, M.I. Bryzgunov, A.V. Bubley, A.P. Denisov, A.D. Goncharov, N.S. Kremnev, V.M. Panasyuk, A.A. Putmakov, V.B. Reva, S.V. Shiyankov
    BINP SB RAS, Novosibirsk, Russia
  • V.B. Reva
    NSU, Novosibirsk, Russia
 
  New electron cooling system is designed to cool two heavy ion beams propagating in opposite directions at a distance about 30 cm from each other. Engineering solutions for its basic elements are presented. The measurements of the electron cooler magnetic system and the influence of the adjacent solenoids in the cooling section on the resulting magnetic field are described. The potential opportunities to improve parameters of the experiments with ion beams using the electron cooling system are discussed.  
slides icon Slides THX01 [20.679 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-COOL2019-THX01  
About • paper received ※ 04 October 2019       paper accepted ※ 18 October 2019       issue date ※ 01 November 2019  
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THB02 Simulation of Electron-Optical Systems of Electron Coolers 68
 
  • A.V. Ivanov, M.I. Bryzgunov, V.M. Panasyuk, V.V. Parkhomchuk, V.B. Reva
    BINP SB RAS, Novosibirsk, Russia
 
  To provide successful operation of electron coolers one need thorough simulation and development of electron-optical system. In this paper simulations of electron gun, accelerating structure and collector are discoursed. Particular attention is paid to obtaining high perveance electron beam with a small transversal temperature and controlled profile, and collector with low flux of secondary electrons. Bends of electron beam are also considered. Main program for simulations is SAM code. This code is based on boundary integral method, its main advantage is precision and speed of calculations.  
slides icon Slides THB02 [11.821 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-COOL2019-THB02  
About • paper received ※ 05 October 2019       paper accepted ※ 18 October 2019       issue date ※ 01 November 2019  
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TUPS15 The Magnetic System of Electron Coolers of Collider NICA 112
 
  • V.M. Panasyuk, M.I. Bryzgunov, A.V. Bubley, V.M. Konstantinov, V.Ya. Korchagin, N.S. Kremnev, V.V. Parkhomchuk, S. Pospolita, V.B. Reva, S.I. Ruvinsky
    BINP SB RAS, Novosibirsk, Russia
 
  The complex of electron cooling is created in the BINP SB RAS. Complex is duplex of electron coolers. According to technical specifications total power consumption of the complex should not exceed 500 kW, electron energy from 0.2 to 2.5 MeV, magnetic field in solenoids of cooling up to 2kG, and distance between the centers of solenoids should be 320mm. In general, the layout of this complex is similar to the layout of the cooler created in BINP for COSY, but its production due to the above specifications is much more complicated.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-COOL2019-TUPS15  
About • paper received ※ 04 October 2019       paper accepted ※ 21 October 2019       issue date ※ 01 November 2019  
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TUPS21 Adjusting Unit of Longitudinal Field Coils for NICA HV Electron Cooler’s Solenoid 127
 
  • N.S. Kremnev, M.I. Bryzgunov, A.V. Bubley, V.M. Panasyuk, V.V. Parkhomchuk, A.A. Putmakov, V.B. Reva, S.V. Shiyankov
    BINP SB RAS, Novosibirsk, Russia
  • V.B. Reva
    NSU, Novosibirsk, Russia
 
  Adjusting unit of longitudinal field coils is necessary element used to obtaining a rectilinear longitudinal field in cooling solenoids of electron cooling machines. Due to limited distance between cooling channels of HV electron cooler for NICA collider, previously used adjusting unit for longitudinal coil couldn’t been applied. Possible orientation of adjusting unit is 90 degrees rotated and gravity force could not preload longitudinal field coil mounting to make adjusting unit working. New design of preloaded coil mounting unit, made by BINP, solves this problem and provides necessary adjusting range and adjusting precision of longitudinal field coils for NICA HV electron cooler’s solenoid.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-COOL2019-TUPS21  
About • paper received ※ 11 October 2019       paper accepted ※ 21 October 2019       issue date ※ 01 November 2019  
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