Analysis of the 237Np–233Pa photon spectrum using the full response function method

A study has been made of X- and γ-ray emission from 237Np in equilibrium with 233Pa using the full response function method. This analysis process is characterised by photon spectrometry in which the entire spectrum is modelled in a pseudo-empirical way by means of elementary functions describing the total absorption and escape peaks, the Compton diffusion internal and external to the detector and the peaks resulting from detection of internal conversion electrons. This method has been applied to determine the L X-, K X- and γ-rays emission probabilities in 237Np and 233Pa decay studies.