Nuclear Technology and Radiation Protection 2002 Volume 17, Issue 1-2, Pages: 37-43
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A unified approach to deconvolution radiation spectra measured by radiochromic films

Stančić Velimir A., Šećerov Bojana L., Ljubenov Vladan

A method for the evaluation of energy distribution of a radiation source on the basis of measured space distribution of deposited energy is proposed. The measured data were obtained by using radiochromic films. Mathematical modeling is defined as a Fredholm integral equation inversion problem. Negative solutions were treated as an additional condition expressed through undefined energy group boundaries, caused by virtue of the physical phenomenon of statistical uncertainty. Examples are given of the electron source and neutron radiation field.

Keywords: radiation field, radiation source, Fredholm equation, deconvolution, spectrum, radiochromic film, unfolding