Simulation of the response of the Solid State Neutron Detector for the European Spallation Source

L. Boyd, E. Rofors, J. R.M. Annand, K. G. Fissum, R. Hall-Wilton, R. Al Jebali, K. Kanaki, K. Livingston, V. Maulerova, N. Mauritzson, R. Montgomery, H. Perrey, B. Seitz

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1 Citering (SciVal)

Sammanfattning

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 interactions 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 scintillator, en route to the photocathode 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.

Ämnesklassifikation (UKÄ)

  • Acceleratorfysik och instrumentering

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