Physics – Instrumentation and Detectors
Scientific paper
2007-11-28
JINST3:P04008,2008
Physics
Instrumentation and Detectors
Scientific paper
10.1088/1748-0221/3/04/P04008
A one-coordinate gaseous detector of soft X-ray photons for wide-angle X-ray scattering (WAXS) studies is being developed. The detector operates in counting mode and is based on multi-stage Gas Electron Multiplier(GEM). Full size detector is assembled and has 67 degrees aperture with 350mm distance to the source, readout multi-strip structure with 2048 strips at 0.2mm pitch and is partially equipped with readout electronics in the central part. Main parameters of the detector have been measured with 8keV X-ray beam at VEPP-3 synchrotron ring. Spatial resolution of 470 um (FWHM) has been demonstrated that will allow to distinguish diffraction spots at 0.1 degrees.
Aulchenko V. M.
Papushev P. A.
Sharafutdinov M. R.
Shekhtman L. I.
Titov V. M.
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