2020 journal article
Characterization of stilbene's scintillation anisotropy for recoil protons between 0.56 and 10 MeV
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 977.
author keywords: Stilbene; Scintillation anisotropy; Light output; Light yield; Single-crystal organic scintillator
open access via doi.org (publisher)
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Added: October 12, 2020
The scintillation anisotropy of the single-crystal organic scintillator trans-stilbene was characterized for recoil protons between 0.56 and 10 MeV. The light output and pulse shape anisotropies were measured at 11 distinct recoil proton energies for over 168 recoil proton trajectories relative to the crystal axes. The measurements were performed using a neutron scatter kinematic measurement system and quasi-monoenergetic neutron beams produced by the tandem Van de Graaff accelerator at Triangle Universities Nuclear Laboratory (TUNL). The extensive recoil proton directional coverage enables interpolation over both energy and direction to form a complete response function of stilbene's scintillation anisotropy for the measured energy range.