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. Author manuscript; available in PMC: 2014 Apr 10.
Published in final edited form as: IEEE Trans Med Imaging. 2014 Apr;33(4):875–881. doi: 10.1109/TMI.2013.2297278

Fig. 1.

Fig. 1

Current proton CT scanner prototype design. The distance between the two planes of the front and rear telescopes is 9.8 cm. The distance between the front and rear tracker is variable.