Rotating-slit scintigraphy using scintillating glass fibers: First results

Details Rotating-slit scintigraphy using scintillating glass fibers: First results Rotating-slit scintigraphy using scintillating glass fibers: First results

2010-04-21

arxiv.org/abs/1004.3681v1

Physics

Instrumentation and Detectors

19 pages, 15 figures

Scientific paper

In this paper we propose to perform the scintigraphy of small organ using a rotating-slit collimator and a bundle of scintillating glass fibers, put in parallel with the slit and rotating with it. An intensified CCD, coupled to the end of the fibers, acquires an integrated image of the events per each rotation angle. The final image is computed by a back-projection procedure. The advantages of this method, with respect to conventional scintigraphy, are the improvement of the detection efficiency of one-two order of magnitude without counting rate limitations, the improvement of the spatial resolution, the elimination of the parallax error and the rejection of the spurious events, without energy analysis. Simulations and first experimental results are showed.

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