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Chung, B.

Paper Title Page
TUPAN076 Conceptual Design of the Beam Line for the PEFP User Facility 1547
 
  • Y.-S. Cho, B. Chung, J.-H. Jang, K. Y. Kim, Y.-H. Kim
    KAERI, Daejon
  
  Funding: The work was supported by the 21C Frontier R&D program in Ministry of Science and Technology of the Korean Government

The Proton Engineering Frontier Project (PEFP) will supply 20-MeV and 100-MeV proton beams from a 100 MeV proton linear accelerator for beam applications. The extracted 20 MeV or 100 MeV proton beams will be simultaneously distributed into the five targets through a dipole magnet equipped with a controllable AC power supply. The most important design criterion is the flexibility of the irradiation conditions in order to meet various user requirements in many application fields. For this purpose, we have designed the beamlines to the targets for wide or focused beams, external or in-vacuum beams, and horizontal or vertical beams. This work includes details of the conceptual design of the beamlines.

 
THPMN046 Conceptual Design of the PEFP Rapid Cycling Synchrotron 2817
 
  • B. Chung, Y.-S. Cho
    KAERI, Daejon
  • Y. Y. Lee
    BNL, Upton, Long Island, New York
  
  Funding: *This work was supported by the 21C Frontier R&D program sponsored by Ministry of Science and Technology, Korean Government

The Proton Engineering Frontier Project (PEFP) is a research project to develop a 100 MeV, 20 mA pulsed proton linear accelerator to be used in basic/applied scientific R&D programs and industrial applications. The PEFP proposes the 1.0 GeV synchrotron accelerator as an extension of the PEFP linac, which is a 30 Hz rapid-cycling synchrotron (RCS) with the injection energy of 100 MeV. The target beam power is 87 kW at 1.0GeV in the first stage. The high intensity RCS is one of the important challenges for the spallation neutron source. The conceptual lattice design of the RCS as well as the simulations of an injection system is described in this paper.

 
THPAN057 Error Analyses of the PEFP 20/100-MeV Beamlines 3357
 
  • K. Y. Kim, Y.-S. Cho, B. Chung, J.-H. Jang
    KAERI, Daejon
  
  Funding: This work was supported by the 21C Frontier R&D program sponsored by Ministry of Science and Technology, Korean Government.

The proton engineering frontier project (PEFP) 100-MeV proton linac has two main beamline systems to extract and deliver the proton beam to the user. The one is designed to extract 20-MeV proton beams at the medium energy transport system of the linac and to deliver them to five target stations through a beam switching system. The other is able to extract 100-MeV proton beams at the end of the linac and to deliver them to another five target stations trough a beam distribution system. We have completed the detailed beam optics designs of the beamline system and performed intensive error analyses to set the marginal limits of engineering errors of the beamline components by using a dedicated beam transport code. The paper presents the error analysis results of the PEFP beamline systems along with their characteristics and beam optics designs.