AI Article Synopsis
- The study presents a refined detection method for yttrium-aluminum-perovskite detectors on the VESUVIO spectrometer, resulting in a significant increase in photon count rates—up to three times higher.
- This optimization leads to a notable reduction in both the relative error bars (by about 40%) and noise levels (by around 35%) during deep inelastic neutron scattering measurements.
- The improvements also enhance the accuracy of line shape analysis in neutron Compton profiles and support better detection of anisotropy and anharmonicity in local potentials, potentially benefiting future research at VESUVIO.
Article Abstract
In this work, we discuss an improved detection procedure for the photon-sensitive yttrium-aluminum-perovskite detectors installed on the VESUVIO spectrometer at the ISIS pulsed neutron and muon source. By decreasing the low-level energy threshold of detected photons, we observe an increased count rate up to a factor ∼3, and a decrease of relative error bars and noise of ∼40% and 35%, respectively, for deep inelastic neutron scattering measurements. In addition, we demonstrate how the reported optimization may increase the accuracy in the line shape analysis of neutron Compton profiles, as well as in the application of the mean-force approach to detect the anisotropy and anharmonicity in the single-particle local potential. We envisage that such an upgrade of the detection procedure would have a substantial impact on the VESUVIO scientific programme based on deep inelastic neutron scattering investigations.
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| http://dx.doi.org/10.1063/1.5091084 | DOI Listing |
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