Author: Procter, M.G.
Paper Title Page
MOPOJO11 Challenges for High-Energy X-Ray Security Screening Linacs 50
  • M. Jenkins, J. Ollier, M.G. Procter
    Rapiscan Systems Ltd, Stoke-on-Trent, United Kingdom
  X-ray based Cargo and Vehicle Inspection (CVI) systems are used for security and customs inspections at a variety of locations. To provide the maximum flexibility many users require mobile CVI systems to allow vehicles to be screened efficiently for threats and contraband. The need for mobile systems means that the linear accelerator, and ancillary systems, used to generate the x-rays must be compact, rugged, and reliable. These systems must meet image performance tests specified by American National Standards Institute (ANSI) and the International Electrotechnical Commission (IEC). The IEC also defines a standard for material discrimination. The requirements of these standards mean that the x-ray output produced by the linac needs to be consistent during and between scans, with the stability and repeatability of the output being critical. The tolerances on the linac output to meet the performance standards combined with the need for a compact system gives an unusual challenge for the linac design. A review of how different stability measures impact the performance tests is presented. This is compared to current technologies and possible future linacs used for mobile CVI systems.  
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About • Received ※ 24 August 2022 — Revised ※ 26 August 2022 — Accepted ※ 29 August 2022 — Issue date ※ 01 September 2022
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