Author: Meshkov, I.N.
Paper Title Page
MOPAB025 First Experiments with Accelerated Ion Beams in the Booster of NICA Accelerator Complex 123
 
  • A.V. Butenko, V. Andreev, A.M. Bazanov, O.I. Brovko, D.E. Donets, A.V. Eliseev, I.V. Gorelyshev, A.V. Konstantinov, S.A. Kostromin, O.S. Kozlov, K.A. Levterov, A. Nesterov, A.V. Philippov, D.O. Ponkin, G.S. Sedykh, I.V. Shirikov, A.O. Sidorin, E. Syresin, A. Tuzikov, V. Volkov
    JINR/VBLHEP, Moscow, Russia
  • N.N. Agapov, A.V. Alfeev, A.A. Baldin, A.A. Fateev, A.R. Galimov, B.V. Golovenskiy, E.V. Gorbachev, A. Govorov, E.V. Ivanov, V. Karpinsky, V.D. Kekelidze, H.G. Khodzhibagiyan, A. Kirichenko, A.G. Kobets, S.A. Korovkin, V. Kosachev, A.D. Kovalenko, G. Kunchenko, I.N. Meshkov, V.A. Mikhailov, V.A. Monchinsky, D. Nikiforov, R.V. Pivin, S. Romanov, A.A. Shurygin, A.I. Sidorov, A.N. Svidetelev, G.V. Trubnikov, B. Vasilishin
    JINR, Dubna, Moscow Region, Russia
  • G.A. Fatkin
    Cosylab Siberia, Novosibirsk, Russia
 
  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 the facility is based on the Nuclotron technology of SC magnets with an iron yoke and hollow SC cable. Assembly of the Booster synchrotron was finished in autumn of 2020 and first machine Run and experiments with ion beams were successfully done in December 2020. The results of this Run are discussed in this paper.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2021-MOPAB025  
About • paper received ※ 16 May 2021       paper accepted ※ 07 September 2021       issue date ※ 15 August 2021  
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MOPAB365 Construction and First Test Results of the Barrier and Harmonic RF Systems for the NICA Collider 1136
 
  • A.G. Tribendis, Y.A. Biryuchevsky, K.N. Chernov, A.N. Dranitchnikov, E. Kenzhebulatov, A.A. Kondakov, A.A. Krasnov, Ya.G. Kruchkov, S.A. Krutikhin, G.Y. Kurkin, A.M. Malyshev, A.Yu. Martynovsky, N.V. Mityanina, S.V. Motygin, A.A. Murasev, V.N. Osipov, V.M. Petrov, E. Pyata, E. Rotov, V.V. Tarnetsky, I.A. Zapryagaev, A.A. Zhukov
    BINP SB RAS, Novosibirsk, Russia
  • O.I. Brovko, A.M. Malyshev, I.N. Meshkov, E. Syresin
    JINR, Dubna, Moscow Region, Russia
  • I.N. Meshkov
    Saint Petersburg State University, Saint Petersburg, Russia
  • E. Rotov
    NSU, Novosibirsk, Russia
  • A.G. Tribendis
    NSTU, Novosibirsk, Russia
  • A.V. Zinkevich
    Triada-TV, Novosibirsk, Russia
 
  This paper reports on the design features and construction progress of the three RF systems for the NICA collider being built at JINR, Dubna. Each of the two collider rings has three RF systems named RF1 to 3. RF1 is a barrier bucket system used for particles capturing and accumulation during injection, RF2 and 3 are resonant systems operating at 22nd and 66th harmonics of the revolution frequency and used for the 22 bunches formation. The RF systems are designed and produced by Budker INP. Solid state RF power amplifiers developed by the Triada-TV company, Novosibirsk, are used for driving the RF2 and three cavities. Two RF1 stations were already delivered to JINR, the prototypes of the RF2 and 3 stations were built and successfully tested at BINP. Series production of all eight RF2 and sixteen RF3 stations is in progress. The design modifications and test results are presented.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2021-MOPAB365  
About • paper received ※ 18 May 2021       paper accepted ※ 24 May 2021       issue date ※ 14 August 2021  
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TUPAB252 Minimization of NICA Collider Impedance 2043
 
  • S.A. Melnikov, I.N. Meshkov
    JINR, Dubna, Moscow Region, Russia
  • K.G. Osipov
    JINR/VBLHEP, Dubna, Moscow region, Russia
 
  The paper presents the results of the longitudinal impedance minimization for the beam tube section in the arches of the NICA collider ring, consisting of a pumping pipe, a BPM station, and a bellows assembly, and considers the contribution of the impedance of this section to the ion beam stability in the NICA collider ring. To confirm the efficiency of the optimized design, a BPM prototype was fabricated, and a test bench was built for further laboratory measurements.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2021-TUPAB252  
About • paper received ※ 13 May 2021       paper accepted ※ 14 June 2021       issue date ※ 10 August 2021  
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