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EnglishThe electrical characteristics, charge collection efficiency and energy resolution of a GaAs detector made out of LEC material have been studied. A matrix of 36 square pixels was deposited on a 70 mu m thick crystal; each pixel had an area of 200 X 200 mu m(2) with 20 mu m spacing between adjacent pixels. This detector showed a charge collection efficiency uniformity among the pixels better than 88% when exposed to 60 keV photons, which ensures that a comfortable common threshold setting can be adopted without affecting the uniformity of the measurement. It was successful in recording (60 keV photon energy) the image of a wolframium slab, 100 mu m thick. RI Cola, Adriano/G-2379-2010
| Autori interni: | ||
| Autori: | BERTOLUCCI E; BISOGNI MG; BOTTIGLI U; COLA A; FANTACCI M; ROSSO V; STEFANINI A; VASANELLI L | |
| Titolo: | X-RAY-IMAGING USING A PIXEL GAAS DETECTOR | |
| Anno del prodotto: | 1995 | |
| Digital Object Identifier (DOI): | 10.1016/0168-9002(95)00215-4 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
File in questo prodotto:
http://hdl.handle.net/11568/26538
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