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Triple- and quadruple-escape peaks in HPGe detectors: Experimental observation and Monte Carlo simulation

Authors
Journal
Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
0168-9002
Publisher
Elsevier
Publication Date
Volume
615
Issue
3
Identifiers
DOI: 10.1016/j.nima.2010.01.073
Keywords
  • Hpge Detector
  • Escape Peaks
  • Bgo Detector
  • Coincidence Measurements
  • Monte Carlo Simulation
Disciplines
  • Physics

Abstract

Abstract The triple- and quadruple-escape peaks of 6.128 MeV photons from the F ( p , α γ ) 19 O 16 nuclear reaction were observed in an HPGe detector. The experimental peak areas, measured in spectra projected with a restriction function that allows quantitative comparison of data from different multiplicities, are in reasonably good agreement with those predicted by Monte Carlo simulations done with the general-purpose radiation-transport code penelope. The behaviour of the escape intensities was simulated for some gamma-ray energies and detector dimensions; the results obtained can be extended to other energies using an empirical function and statistical properties related to the phenomenon.

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