Author: Zvyagintsev, V.
Paper Title Page
WECBMH01
 Superconducting Linacs Development for Current and Future Russian Accelerator Projects: Progress and Problems  
 
  • S.M. Polozov, W.A. Barth, M. Gusarova, T. Kulevoy, M.V. Lalayan, A.V. Samoshin, S. Yaramyshev, V. Zvyagintsev
    MEPhI, Moscow, Russia
  • W.A. Barth, S. Yaramyshev
    GSI, Darmstadt, Germany
  • W.A. Barth
    HIM, Mainz, Germany
  • A.V. Butenko, A.S. Fomichev, L.V. Grigorenko, B.Y. Sharkov, E. Syresin, G.V. Trubnikov
    JINR, Dubna, Moscow Region, Russia
  • T. Kulevoy
    ITEP, Moscow, Russia
  • V. Zvyagintsev
    TRIUMF, Vancouver, Canada
  
  Superconducting linac is nowadays a standard technology to generate high-energy proton and ion beams especially for CW operation mode. Starting from SNS at ORNL * superconducting radio frequency (SRF) technology and superconducting (SC) linacs are changed from the exotic to classical technology of today. Many ion accelerator complexes developed in USA, EU, Japan, China, Korea and other countries for spallation neutron sources, production of radioactive ion beams and ADS (Accelerator Driven System) drivers use SC cavities. Currently, the mega-science accelerator project NICA ** (Nuclotron-based Ion Collider fAcility, JINr) as well as new proposed projects DERICA *** (Dubna Electron-Radioactive Ion Collider fAcility), NEPTUN, BELA ****(Based on ECR and Linear Accelerator multidisciplinary facility), etc. cannot be constructed without SRF technologies development in Russia. New ambitious program of SRF technology has been started few years ago by JINR in collaboration with MEPhI, NRC KI ITEP, BSU, PTI NANB, TRIUMF and GSI. Current progress in general conceptual design of new SC linacs, beam dynamics simulation of SC cavities and related issues will be discussed in this presentation.
* N. Holtkamp. Proc. of EPAC'2006, 29-33.
** G. Trubnikov, N. Agapov, V. Alexandrov et al., Proc. of IPAC'10, 693 (2010).
*** http://aculina.jinr.ru/derica.php 		 
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WEPSB46
 QWR and HWR SC Cavities R&D for New Superconducting Linac for JINR Nuclotron-NICA Injection  
 
  • M. Gusarova, T. Kulevoy, M.V. Lalayan, T.A. Lozeeva, S.V. Matsievskiy, R.E. Nemchenko, S.M. Polozov, A.V. Samoshin, V.L. Shatokhin, N.P. Sobenin, D.V. Surkov, K.V. Taletskiy, V. Zvyagintsev
    MEPhI, Moscow, Russia
  • A.A. Bakinowskaya, V.S. Petrakovsky, I.L. Pobol, A.I. Pokrovsky, D.A. Shparla, A. Shvedau, S.V. Yurevich, V.G. Zaleski
    Physical-Technical Institute of the National Academy of Sciences of Belarus, Minsk, Belarus
  • M.A. Baturitski, S.A. Maksimenko
    INP BSU, Minsk, Belarus
  • A.V. Butenko, N. Emelianov, M. Gusarova, A.O. Sidorin, E. Syresin, G.V. Trubnikov
    JINR, Dubna, Moscow Region, Russia
  • S.E. Demyanov
    Scientific-Practical Materials Research Centre of the National Academy of Sciences of Belarus, Minsk, Belarus
  • V.A. Karpovich
    BSU, Minsk, Belarus
  • T. Kulevoy
    ITEP, Moscow, Russia
  • V.N. Rodionova
    Belarussian State University, Scientific Research Institute of Nuclear Problems, Minsk, Belarus
  • A.O. Sidorin
    Saint Petersburg State University, Saint Petersburg, Russia
  • V. Zvyagintsev
    TRIUMF, Vancouver, Canada
  
  A superconducting or partially superconducting linac is discussed as new injector for Nuclotron-NICA complex. New linac will accelerate protons up to 25 MeV (and up to 50 MeV at the second stage of the project) and light ions to ~7.5 MeV/u. The progress in R&D of QWR and HWR superconducting cavities is discussed in this report. The design of QWR and its normal conducting copper model is finished and PTI NANB is ready to manufacture of the prototype. Two designs of HWR were discussed: one with a cylindrical central conductor and another with the conical one. The electrodynamics design of HWR had been finished before now but it should be corrected taking into account some manufacture problems. Current results of the development of the RF coupler and the test cryostat will also present .  
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WEPSB47 Coupler Design for RISP Spoke Cavity 372
 
  • V. Zvyagintsev, R.E. Laxdal, Y. Ma, B. Matheson, B.S. Waraich, Z.Y. Yao
    TRIUMF, Vancouver, Canada
  
  The RISP project includes a heavy ion linac to accelerate ions up to 238U to 200 MeV/u with 400 kW of beam power. The same accelerator will also be capable of accelerating light ions with proton currents and final energy of 0.66 mA and 600 MeV. TRIUMF designed the superconducting single spoke resonator for the linac SSR1 at 325 MHz for β=0.3. According to specifications the cavity will require the RF coupler to be capable for operation in CW regime close to full reflection with a forward power of 5 kW. This paper reports about the RF coupler specifications, simulations and design.  
poster icon Poster WEPSB47 [1.654 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-RUPAC2018-WEPSB47  
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