FIELD: physics.
SUBSTANCE: method includes outputting and deviating from a proton beam a portion of protons by passing said protons through a curved channelling crystal and directing towards a converter of a detecting system. A region of localisation of transmitted protons and a region formed by scattered protons and secondary particles are selected on the obtained image. Further, the size of the image of the reconstructed point blurring function is calculated in the form a square and then, by varying the pixel value in the region of localisation of transmitted protons and the square region, a set of pixel values is selected in the square region, which is the reconstructed point blurring function.
EFFECT: high reliability of information when determining a point blurring function.
3 cl, 5 dwg
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