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Figure 5
(a) Scan of the exposed radiochromic film positioned at the isocenter perpendicular to the incident beam; dose profiles were evaluated along the indicated horizontal and vertical red lines. (b) Vertical profile and (c) horizontal profile of the beam measured free in air. The inset shows the position of the film. These profiles show a bell-shaped vertical distribution (b) of the beam (FWHM = 3.35 mm) and a quite uniform intensity of the beam along the horizontal direction (c) with a standard deviation of 0.08 mGy around a mean value of 10.42 mGy.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
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