Author: Osipov, K.G.
Paper Title Page
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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TUPAB299 Tuned Delay Unit for a Stochastic Cooling System at NICA Collider 2186
 
  • S.V. Barabin, T. Kulevoy, D.A. Liakin, A.Y. Orlov
    ITEP, Moscow, Russia
  • I.V. Gorelyshev, K.G. Osipov, V.V. Peshkov, A.O. Sidorin
    JINR/VBLHEP, Dubna, Moscow region, Russia
 
  Stochastic cooling is one of the crucial NICA (Nuclotron-based Ion Collider fAcility) subsystems. This system requires fine tuning of the response delay to the kicker, for both longitudinal and transverse stochastic cooling systems. The use of a digital delay line allows to add additional features such as a frequency dependent group velocity correction. To analyse the capabilities of the digital delay unit, a prototype of the device was created and tested. The article presents the characteristics of the prototype, its architecture and principle of operation, test results and estimations for the future developments.  
poster icon Poster TUPAB299 [0.493 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2021-TUPAB299  
About • paper received ※ 17 May 2021       paper accepted ※ 10 June 2021       issue date ※ 16 August 2021  
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