Medical Applications of 14 MeV Neutrons
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and 0.5 (or 1.0) mm pixel size. e neutrons arrive at the detector, interact in
the ber scintillating screen, and produces light image. Optics transfer the
image to the image-intensier and a CCD camera views the image created at
the phosphor of the image intensier.
Two phantoms were used in their experiment:
1. A point spread function (PSF) phantom: a stainless steel cylinder
shaped with a concentric cylinder hole in it
2. A modulation transfer phantom (MTF): a box shaped stainless steel
with slits in dierent sizes
Next to the generator there was a plastic scintillator neutron detector that
served as a reference detector for beam monitoring. e upstream collima-
tor was a stainless steel “barrel-shape ...