Author: Hyun, J.
Paper Title Page
TUPOA19 50-MeV Run of the IOTA/FAST Electron Accelerator 326
 
  • D.R. Edstrom, C.M. Baffes, C.I. Briegel, D.R. Broemmelsiek, K. Carlson, B.E. Chase, D.J. Crawford, E. Cullerton, J.S. Diamond, N. Eddy, B.J. Fellenz, E.R. Harms, M.J. Kucera, J.R. Leibfritz, A.H. Lumpkin, D.J. Nicklaus, E. Prebys, P.S. Prieto, J. Reid, A.L. Romanov, J. Ruan, J.K. Santucci, T. Sen, V.D. Shiltsev, Y.-M. Shin, G. Stancari, J.C.T. Thangaraj, R.M. Thurman-Keup, A. Valishev, A. Warner, S.J. Wesseln
    Fermilab, Batavia, Illinois, USA
  • A.T. Green
    Northern Illinois Univerity, DeKalb, Illinois, USA
  • A. Halavanau, D. Mihalcea, P. Piot
    Northern Illinois University, DeKalb, Illinois, USA
  • J. Hyun
    Sokendai, Ibaraki, Japan
  • P. Kobak
    BYU-I, Rexburg, USA
  • W.D. Rush
    KU, Lawrence, Kansas, USA
  
  Funding: Supported by the DOE contract No.DEAC02-07CH11359 to the Fermi Research Alliance LLC.
The low-energy section of the photoinjector-based electron linear accelerator at the Fermilab Accelerator Science & Technology (FAST) facility was recently commissioned to an energy of 50 MeV. This linear accelerator relies primarily upon pulsed SRF acceleration and an optional bunch compressor to produce a stable beam within a large operational regime in terms of bunch charge, total average charge, bunch length, and beam energy. Various instrumentation was used to characterize fundamental properties of the electron beam including the intensity, stability, emittance, and bunch length. While much of this instrumentation was commissioned in a 20 MeV running period prior, some (including a new Martin-Puplett interferometer) was in development or pending installation at that time. All instrumentation has since been recommissioned over the wide operational range of beam energies up to 50 MeV, intensities up to 4 nC/pulse, and bunch structures from ~1 ps to more than 50 ps in length. 		 
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DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-NAPAC2016-TUPOA19  
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TUPOA73 Commissioning and First Results From a Channeling-Radiation Experiment at FAST 428
SUPO56   use link to see paper's listing under its alternate paper code  
 
  • J. Hyun
    Sokendai, Ibaraki, Japan
  • D.R. Broemmelsiek, D.R. Edstrom, A.L. Romanov, J. Ruan, T. Sen, V.D. Shiltsev
    Fermilab, Batavia, Illinois, USA
  • A. Halavanau, D. Mihalcea
    Northern Illinois University, DeKalb, Illinois, USA
  • P. Kobak
    BYU-I, Rexburg, USA
  • W.D. Rush
    KU, Lawrence, Kansas, USA
  
  X-rays have widespread applications in science. Developing compact and high-quality X-ray sources, easy to disseminate, has been an on going challenge. Our group has explored the possible use of channeling radiation driven by a 50 MeV low-emittance electron beam to produce narrowband hard X-rays (photon energy from 40 keV to 140 keV). In this contribution we present the simulated X-ray spectrum including the background bremsstrahlung contribution, and optimization of the relevant electron-beam parameters required to maximize the X-ray brilliance. The results of experiments carried out at Fermilab's FAST facility – which include a 50 MeV superconducting linac and a high-brightness photoinjector – are also discussed. The average brilliance in our experiment is expected to be about one order of magnitude higher than that in previous experiments.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-NAPAC2016-TUPOA73  
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