Using Back-Scattering to Enhance Efficiency in Neutron Detectors
Thomas Kittelmann, Esben Klinkby, Xiao Xiao Cai, Kalliopi Kanaki,, Carsten P Cooper-Jensen, Richard Hall-Wilton
TL;DR
This paper explores a novel method to improve neutron detector efficiency by using back-scattering with moderator-like materials, supported by Geant4 simulations of a boron-10 based detector setup.
Contribution
It introduces a new approach utilizing back-scattering to enhance neutron detection efficiency, demonstrated through detailed simulation studies.
Findings
Back-scattering can significantly increase detection efficiency.
Simulation results show improved neutron capture rates.
Feasibility of the method is confirmed through Geant4 modeling.
Abstract
The principle of using strongly scattering materials to recover efficiency in neutron detectors, via back-scattering of unconverted thermal neutrons, is discussed in general. Feasibility of the method is illustrated through Geant4-based simulations of a specific setup involving a moderator-like material placed behind a single layered boron-10 thin film gaseous detector.
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