Keyword: superconductivity
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THZ03 Production of Superconducting Equipment at IHEP dipole, cryogenics, quadrupole, solenoid 301
 
  • L. Tkachenko, A.I. Ageev, I. Bogdanov, E. Kashtanov, S. Kozub, P.A. Shcherbakov, L.S. Shirshov, I. Slabodchikov, V. Sytnik, S. Zinchenko
    IHEP, Moscow Region, Russia
 
  The report overviews the recent SC-related R&D and production activity at IHEP. The scope of the paper extends over the items to follow. Two superconducting magnetic systems of Electron Lens for the Tevatron collider were developed, manufactured and successfully brought into operation. 42 cryogenic electrical feed boxes of various types for the Large Hadron Collider were developed, produced and commissioned. Results of development of fast-cycling SC magnets for the FAIR project are discussed. Operational experience acquired with the largest in Russia cryogenic system for cooling with a superfluid helium of SC RF separator for the beam transfer line #21from the U-70 machine is presented. Test-and-trial results with HTS current leads and dipole magnet employing Bi2223 as well as racetrack coils made of second-generation HTS are reviewed.  
slides icon Slides THZ03 [0.823 MB]  
 
THPSC18 Suppression of Mechanical Oscillations in Quarterwave 106 MHz Resonator simulation, cavity, niobium, TRIUMF 359
 
  • M. Gusarova, I.I. Petrushina, I.V. Rybakov, Ya.V. Shashkov, Ya.V. Shashkov, V. Zvyagintsev
    MEPhI, Moscow, Russia
  • V. Zvyagintsev
    TRIUMF, Canada's National Laboratory for Particle and Nuclear Physics, Vancouver, Canada
 
  Analytical calculations and numerical simulations have been done for mechanical eigenmodes of quarter wave superconducting resonators with operating frequency of 106 MHz and 80 MHz. A possibility of frequency shift of mechanical modes in 106 MHz resonator has been estimated by application of the damper. We have optimized the damper's position for suppression efficiency. We have also compared the numerical and experimental results.