Author: Kelly, M.P.
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MOM1I02 FRIB Accelerator: Design and Construction Status 6
 
  • J. Wei, H. Ao, N.K. Bultman, F. Casagrande, C. Compton, L.R. Dalesio, K.D. Davidson, B. Durickovic, A. Facco, F. Feyzi, A. Ganshin, P.E. Gibson, T. Glasmacher, W. Hartung, L. Hodges, L.T. Hoff, K. Holland, H.-C. Hseuh, A. Hussain, M. Ikegami, S. Jones, K. Kranz, R.E. Laxdal, S.M. Lidia, S.M. Lund, G. Machicoane, F. Marti, S.J. Miller, D. Morris, J.A. Nolen, S. Peng, J. Popielarski, L. Popielarski, G. Pozdeyev, T. Russo, K. Saito, G. Shen, S. Stanley, T. Xu, Y. Yamazaki
    FRIB, East Lansing, Michigan, USA
  • K. Dixon, V. Ganni, M. Wiseman
    JLab, Newport News, Virginia, USA
  • A. Facco
    INFN/LNL, Legnaro (PD), Italy
  • H.-C. Hseuh
    BNL, Upton, Long Island, New York, USA
  • M.P. Kelly, J.A. Nolen, P.N. Ostroumov
    ANL, Argonne, USA
  • R.E. Laxdal
    TRIUMF, Canada's National Laboratory for Particle and Nuclear Physics, Vancouver, Canada
 
  Funding: Work supported by the U.S. Department of Energy Office of Science under Cooperative Agreement DE-SC0000661.
The Facility for Rare Isotope Beams (FRIB) is based on a continuous-wave superconducting heavy ion linac to accelerate all the stable isotopes to above 200 MeV/u with a beam power of up to 400 kW. At an average beam power approximately two-to-three orders-of-magnitude higher than those of operating heavy-ion facilities, FRIB stands at the power frontier of the accelerator family - the first time for heavy-ion accelerators. In August 2014, the FRIB Project entered into full construction phase. Based on verified innovative designs, the FRIB accelerator team is working closely with partner laboratories and contracted industrial providers on the construction, installation and commissioning of the facility. This report summarizes the current design and construction status.
 
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WEM1I01 Superconducting Cavity Cryomodules for Heavy-Ion Accelerators 163
 
  • Z.A. Conway, A. Barcikowski, G.L. Cherry, S.M. Gerbick, B.M. Guilfoyle, C.S. Hopper, M. Kedzie, M.P. Kelly, S.H. Kim, S.W.T. MacDonald, B. Mustapha, P.N. Ostroumov, T. Reid
    ANL, Argonne, Illinois, USA
 
  Over one year ago the ATLAS Efficiency and Intensity Upgrade (EIU) was finished. A major portion of this upgrade was the installation of a new superconducting cryomodule for the acceleration of β = 0.077 heavy-ion beams. The EIU cryomodule is capable of supplying a voltage gain greater than 17.5 MV with a total cryogenic load of 45 W to 4.5 K, 12 W static and 33 W dynamic. This unit is comprised of seven 72.75 MHz quarter-wave resonators and four 9 T solenoids. This presentation will review the technology advances that resulted in exceptional operational performance of the EIU cryomodule and the ongoing development work for a new eight-cavity β = 0.11 half-wave cryomodule.  
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WEM1C03 The ATLAS Intensity Upgrade: Project Overview and Online Operating Experience 172
 
  • R.C. Pardo, A. Barcikowski, Z.A. Conway, C. Dickerson, M.R. Hendricks, M.P. Kelly, S.H. Kim, Y. Luo, S.W.T. MacDonald, B. Mustapha, P.N. Ostroumov, C.E. Peters, M.A. Power, R.H. Scott, S.I. Sharamentov, R.C. Vondrasek, G.P. Zinkann
    ANL, Argonne, USA
 
  Funding: This work was supported by the U.S. Department of Energy, Office of Nuclear Physics, under Contract No. DE-AC02-06CH11357.
ATLAS, the world's first accelerator to use RF superconductivity for ion acceleration, has undergone a major facility upgrade with the goals of significantly increased stable-beam current for experiments and improved transmission for all beams. The dominant components of the upgrade are a) new CW-RFQ to replace the first three low β resonators, b) a new cryostat of seven β=0.077 quarter-wave resonators demonstrating world-record accelerating fields, c) an improved cryogenics system, and d) the retirement of the original tandem injector. This latest upgrade followed closely on the earlier development of a cryostat of β=0.144 quarter-wave resonators. This reconfigured ATLAS system has been in operation for over one year. This paper will discuss the on-line performance achieved for the redesigned system, plans for further improvement, and long term facility plans for new performance capabilities. This work was supported by the U.S. Department of Energy, Office of Nuclear Physics, under Contract No. DE-AC02-06CH11357. This research used resources of ANL's ATLAS facility, which is a DOE Office of Science User Facility.
 
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