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X-ray generation by inverse Compton scattering at the superconducting RF test facility
- Source :
- Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 772:26-33
- Publication Year :
- 2015
- Publisher :
- Elsevier BV, 2015.
-
Abstract
- Quasi-monochromatic X-rays with high brightness have a broad range of applications in fields such as life sciences, bio-, medical applications, and microlithography. One method for generating such X-rays is via inverse Compton scattering (ICS). X-ray generation experiments using ICS were carried out at the superconducting RF test facility (STF) accelerator at KEK. A new beam line, newly developed four-mirror optical cavity system, and new X-ray detector system were prepared for experiments downstream section of the STF electron accelerator. Amplified pulsed photons were accumulated into a four-mirror optical cavity and collided with an incoming 40 MeV electron beam. The generated X-rays were detected using a microchannel plate (MCP) detector for X-ray yield measurements and a new silicon-on-insulator (SOI) detector system for energy measurements. The detected X-ray yield by the MCP detector was 1756.8±272.2 photons/(244 electron bunches). To extrapolate this result to 1 ms train length under 5 Hz operations, 4.60×10 5 photons/1%-bandwidth were obtained. The peak X-ray energy, which was confirmed by the SOI detector, was 29 keV, and this is consistent with ICS X-rays.
- Subjects :
- Physics
Nuclear and High Energy Physics
Photon
Physics::Instrumentation and Detectors
business.industry
Astrophysics::High Energy Astrophysical Phenomena
Detector
Compton scattering
Particle accelerator
law.invention
Optics
Beamline
law
Optical cavity
Cathode ray
Physics::Accelerator Physics
Microchannel plate detector
business
Instrumentation
Subjects
Details
- ISSN :
- 01689002
- Volume :
- 772
- Database :
- OpenAIRE
- Journal :
- Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
- Accession number :
- edsair.doi...........4cf0cfbdd597a901c4ee66b6bce015a2