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Choi, B.H.

Paper Title Page
TU6RFP038 Conceptual Design of Beam Transport Lines for the PEFP User Facility 1626
 
  • B.-S. Park, Y.-S. Cho, B.H. Choi, I.-S. Hong, J.-H. Jang, H.S. Kim, K. R. Kim, H.-J. Kwon, H.R. Lee, S.P. Yun
    KAERI, Daejon
 
 

Funding: This work is supported by the Ministry of Education, Science and Technology of Korea.


PEFP (Proton Engineering Frontier Project) beamlines will be supplied either 20-MeV or 100-MeV proton beams from the 100-MeV proton linear accelerator for beam applications. Each proton beam will be transported to 2 beamlines for industrial purpose and 3 beamlines for the researches. Beam distribution to 3 research beam lines will be conducted sequentially by programmable AC magnet. To provide flexibility of the irradiation conditions, each beam line is designed to have specific beam parameters. We have designed the beamlines to the targets for wide or focused beams, external or in-vacuum beams, and horizontal or vertical beams. The detail design of each beamline will be reported.

 
WE5PFP035 Prototyping PEFP Low-Beta Copper Cavity and HOM Coupler 2070
 
  • S. An, Y.-S. Cho, B.H. Choi, Y.M. Li, Y.Z. Tang, L. Zhang
    KAERI, Daejon
 
 

Funding: This work is supported by the Ministry of Education, Science and Technology of Korea.


A superconducting radio frequency (SRF) cavity with a geometrical beta of 0.42 has been designed to accelerate a proton beam after 100 MeV at 700 MHz for an extended project of Proton Engineering Frontier Project (PEFP). In order to confirm the RF and mechanical properties of the cavity, and to produce documentation for a procurement and quality control for an industrial manufacture of the cavities, two prototype copper cavities have been produced, tuned and tested. In this paper, the copper cavity’s production, tuning and testing are introduced. The testing results show that the low-beta cavity and its tuning system can work as we design.