The characteristics of the Solid-state Neutron Detector, under development for neutron-scattering measurements at the European Spallation Source, have been simulated with a Geant4-based computer code. The code models the interations of thermal neutrons and ionising radiation in the 6Li-doped scintillating glass of the detector, the production of scintillation light and the transport of optical, scintillation photons through the the scintillator, en route to the photo-cathode of the attached multi-anode photomultiplier. Factors which affect the optical-photon transport, such as surface finish, pixelation of the glass sheet, provision of a front reflector and optical coupling media are compared. Predictions of the detector response are compared with measurements made with neutron and gamma-ray sources, a collimated alpha source and finely collimated beams of 2.5 MeV protons and deuterons.
@article{arxiv.2010.15695,
title = {Simulation of the Response of the Solid State Neutron Detector for the European Spallation Source},
author = {L. Boyd and E. Rofors and J. R. M. Annand and K. G. Fissum and R. Hall-Wilton and R. Al Jebali and K. Kanaki and K. Livingston and V. Maulerova and N. Mauritzson and R. Montgomery and H. Perrey and B. Seitz},
journal= {arXiv preprint arXiv:2010.15695},
year = {2021}
}