Solenoid assembly with beam focusing and radiation shielding functions for the 9/6 MeV dual energy linac

The Korea Atomic Energy Research Institute (KAERI) has been developing a Container Inspection System (CIS) by using a dual-energy (9/6 MeV) S-band (= 2856 MHz) electron linear accelerator. The key components of the CIS are the electron linear accelerator (including an electron gun, an accelerating s...

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Bibliographic Details
Published in:Journal of the Korean Physical Society 2016, 69(6), , pp.1042-1047
Main Authors: Cha, Sungsu, Kim, Yujong, Ju, Jinsik, Joo, Youngwoo, Lee, Byeong-No, Lee, Soo Min, Kim, Jae Hyun, Buaphad, Pikad, Lee, Byung Cheol, Cha, Hyungki, Ha, Jang Ho, Park, Hyung Dal, Song, Ki Beak, Lee, Seung Hyun, Kim, Heesoo
Format: Article
Language:English
Subjects:
Accelerators
Atomic structure
Chillers
Collimation
Containers
Design optimization
Energy consumption
Focusing
Inspection
Magnets
Mathematical and Computational Physics
Nuclear electric power generation
Nuclear energy
Particle and Nuclear Physics
Physics
Physics and Astronomy
Power supplies
Radiation shielding
Solenoids
Theoretical
Tungsten
Vacuum pumps
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Summary:The Korea Atomic Energy Research Institute (KAERI) has been developing a Container Inspection System (CIS) by using a dual-energy (9/6 MeV) S-band (= 2856 MHz) electron linear accelerator. The key components of the CIS are the electron linear accelerator (including an electron gun, an accelerating structure, an RF power source, cooling chillers, vacuum pumps, magnet power supplies, and two solenoid magnets with beam focusing and shielding functions), a tungsten target for X-ray generation, an X-ray collimator, a detector array, and a container moving system. Generally, in accelerators, beam focusing is mainly done by solenoids operating in the region of a few MeV to keep the shape of transverse beam symmetrically round so as to reduce the loss of electrons, which increases the beam current and the beam power. In addition, a specially-designed component is needed to protect against the radiation due to the lost electrons. In this paper, we describe the design, fabrication, and optimization of two specially- designed solenoids with focusing and radiation shielding functions for a dual-energy S-band electron linear accelerator for a CIS.
ISSN:0374-4884
1976-8524
DOI:10.3938/jkps.69.1042