Volume 17, Issue 2 (Iranian Journal of Physics Research ( proceedings ) 2017)                   IJPR 2017, 17(2): 289-292 | Back to browse issues page

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Azadegan B. Investigation of planar channeling radiation on diamond crystals in order to provide a monochromatic X-ray source in ELBE linear electron accelerator . IJPR. 2017; 17 (2) :289-292
URL: http://ijpr.iut.ac.ir/article-1-2411-en.html

Department of Physics, Hakim Sabzevary University, Sabzevar, Iran , azadegan@hsu.ac.ir
Abstract:   (655 Views)
The measurements of electron Channeling Radiation (CR) have been performed at ELBE linear electron accelerator of the Forschungszentrum Dresden-Rossendorf. The aim of performing these experiments was to optimize radiation yield and spectral line width of CR in order to apply channeling radiation for preparing a monochromatic X-ray source. Diamond crystals can be used in relatively high electron currents due to their high Debye temperature and the large thermal conductivity. Measurements of (110) planar channeling radiation have been performed at electron energies of 14.6, 17, 30, and 34 MeV, using diamond crystals of 42.5, 102, 168, and 500 μm thick. These data resulted in installing  an X-ray source in ELBE linear electron accelerator. The electron beam with an average current of up to 200 μA allows reaching photon rates between 1010 s-1 and 1011 s-1 per 10% bandwidth. Photon energy can be tuned by changing the electron beam energy. Monochromisation of CR and bremsstrahlung background reduction has been investigated applying X-ray diffraction at a graphite crystal
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Type of Study: Research | Subject: General

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