Publication details

Unfolding neutron spectra using splines

Authors

TRUNEC David MAZÁNKOVÁ Věra MRAVEC Filip MATĚJ Zdeněk

Year of publication 2024
Type Article in Periodical
Magazine / Source RADIATION MEASUREMENTS
MU Faculty or unit

Faculty of Science

Citation
Web https://www.sciencedirect.com/science/article/abs/pii/S1350448724000465
Doi http://dx.doi.org/10.1016/j.radmeas.2024.107098
Keywords Unfolding; Neutron spectrum; B-spline
Description Organic scintillators detect neutrons by scattering reactions with hydrogen nuclei (protons) in organic compounds. The recoil protons then produce the light output from the scintillator. The energy spectrum of neutrons impinging on the scintillator has to be determined from this light output using a so-called unfolding algorithm. However, this problem is ill -posed and therefore difficult to solve. In this study, a new method for unfolding neutron spectra is presented. This method uses B -splines approximation of neutron energy spectrum. Results of this method are shown for test data and experimental data and compared to the results of the previously developed unfolding method.

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