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XPAD3 hybrid pixel detector applications

Abstract : Using Si sensors, the XPAD3 chip can be used from 4 up to 25 keV. The CdTe detector was designed to improve efficiency at higher energies (60 keV), but it still works at low energy: data were collected at 8 keV. Firstly, small detector prototypes were built and used for scattering experiments at BM02/ESRF and DIFABS/SOLEIL. Comparisons were made by collecting small angle X-ray scattering data using the same settings with the XPAD3 and the beam line CCD camera, as well as diffuse scattering from a quasi-crystal. Finally, a surface diffraction experiment was performed to characterize the strain in a few layers of GaInAs epitaxially grown on a GaAs single crystal.
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Submitted on : Tuesday, May 5, 2009 - 10:17:21 AM
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Jean-François Bérar, Nathalie Boudet, P. Breugnon, Bernard Caillot, B. Chantepie, et al.. XPAD3 hybrid pixel detector applications. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Elsevier, 2009, 607, pp.233-235. ⟨10.1016/j.nima.2009.03.208⟩. ⟨in2p3-00379416⟩



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