Authors: Alexander Winkler,Hanna Koivunoro,Vappu Reijonen,Iiro Auterinen,Sauli Savolainen,
Journal: Applied Radiation and Isotopes
https://doi.org/10.1016/j.apradiso.2015.07.040
Abstract: In this work, a novel sensor technology based on CdTe detectors was tested for prompt gamma and neutron detection using boronated targets in (epi)thermal neutron beam at FiR1 research reactor in Espoo, Finland. Dedicated neutron filter structures were omitted to enable simultaneous measurement of both gamma and neutron radiation at low reactor power (2.5kW). Spectra were collected and analyzed in four different setups in order to study the feasibility of the detector to measure 478keV prompt gamma photons released from the neutron capture reaction of boron-10. The detector proved to have the required sensitivity to detect and separate the signals from both boron neutron and cadmium neutron capture reactions, which makes it a promising candidate for monitoring the spatial and temporal development of in vivo boron distribution in boron neutron capture therapy.
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