Spectrum Unfolding in High-energy Gamma-ray Detection With Scintillation Detectors

Sukosd, C.;Galster, W.;Licot, I.;Simonart, MP.
(1995) Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment — Vol. 355, n° 2-3, p. 552-558 (1995)

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Authors
  • Sukosd, C.
    Author
  • Galster, W.
    Author
  • Licot, I.
    Author
  • Simonart, MP.
    Author
Abstract
An unfolding (deconvolution) method is presented to analyse high-energy gamma-spectra of scintillation detectors. Different approaches for the apparatus response function have been tested, mainly based on the GEANT3 Monte Carlo code (CERN). A new regularisation functional has been suggested for the unfolding procedure, and a new method is suggested to render the problem more regular. The applicability of the method is tested by unfolding experimental spectra taken with a 4 in. x 4 in. cylindrical bismuth-germanate (EGO) detector, which was used to measure the 4.44, 10.67, 12.71 and 15.11 MeV gamma-rays generated in the C-12(p, p', gamma)C-12 reaction induced by 21 MeV protons. Reaction cross sections are also determined for these gamma-transitions.
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Sukosd, C., Galster, W., Licot, I., & Simonart, MP. (1995). Spectrum Unfolding in High-energy Gamma-ray Detection With Scintillation Detectors. Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment, 355(2-3), 552-558. https://doi.org/10.1016/0168-9002(94)01122-2 (Original work published 1995)