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. Author manuscript; available in PMC: 2010 Sep 30.
Published in final edited form as: Proc SPIE Int Soc Opt Eng. 2007 Jan 1;6510:65100N. doi: 10.1117/12.710109

Figure 5.

Figure 5

Energy spectra of an RMD 270 μm thick columnar CsI(Tl) flood illuminated with (a) Am 241, (b) Co 57, (c) and Tc 99m isotopes. Histograms were generated using the sum signal within a 9 × 9 region around each cluster.