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161. A TENA Based Interrogation Setup for the Detection of SNM Utilising He4 Scintillation DetectorsEdward Martin (University of Bristol)11/02/2026, 13:00Poster Presentation
This work presents initial steps toward assessing the feasibility of using high-pressure helium-4 (He-4) scintillation detectors in an active-interrogation system utilising the Threshold Energy Neutron Analysis (TENA) technique for the detection of special nuclear materials (SNMs). The proposed setup consists of a deuterium–deuterium (DD) based Inertial Electrostatic Confinement (IECF) fusor...
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Dr Kerri Loughney11/02/2026, 13:00Poster Presentation
Thermal cycling is used to accelerate the ageing process through an exaggerated version of the diurnal temperature variations that a detector or material may experience, during use or storage, over the lifetime of a detector. This is done in order to understand the potential causes of performance degradation or required frequency for recalibration. For this investigation, samples of the Eljen...
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Nicolò Tuccori (University of Sussex)11/02/2026, 13:00Poster Presentation
LiquidO is an innovative scintillator-based radiation detector concept whose core principle is the self-segmentation of the detector volume via stochastic light confinement in an opaque medium. Light produced in the scintillator is confined near its creation point thanks to the short scattering length of the material, and efficiently collected by a lattice of wavelength-shifting optical fibres...
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Muzzamer Zahid (University of Surrey)11/02/2026, 13:00Poster Presentation
Metal halide perovskite thin-films are among the promising class of materials with significant potential for large-area radiation detectors. While solution-based processing is common, it presents challenges in achieving uniform, thick films. This study explores single-source vacuum deposition (SSVD) as an alternative and simplified method by utilising a single precursor to enhance control over...
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Frankie Falksohn (NPL)11/02/2026, 13:00Poster Presentation
Measurements by alpha spectrometry are required for a number of applications, including: nuclear forensics, nuclear decommissioning, environmental monitoring, nuclear medicine, and refining nuclear data. Low-resolution alpha spectrometer systems are widespread, but often the resolution is too poor to accurately determine activities of sources or identify contaminants in an unknown sample....
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Amy Dickinson (University of Surrey)11/02/2026, 13:00Poster Presentation
Two-dimensional (2D) hybrid perovskite materials have emerged as promising candidates for next-generation scintillators due to their high light yields, fast radiative recombination and low-temperature solution-processability [1]. The aim of this study is to develop a bright, efficient radiation detector using different fabrication processes such as doping and pellet pressing for nuclear...
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Mr Lukasz Tomaszewski (University of Surrey)11/02/2026, 13:00Poster Presentation
For personal radiological health monitoring, thermoluminescence dosimetry (TLD) provides a method to estimate the absorbed dose for an individual over a specified time interval. A dosimeter captures and traps ionised electrons, which, when heated, release the trapped electrons via electron-hole recombination, through an emission of light called a glow curve. For TLD, the material’s...
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Christopher Murphy (School of Physics, Engineering and Technology, University of York)11/02/2026, 13:00Poster Presentation
Radiation sources have been shown to have many applications in nuclear threat reduction (NTR), including radiography (whether in ports or ‘in the field’) and nuclear scattering (either polarised or unpolarised gamma rays for identification of isotope specific content).
Laser wakefield acceleration (LWFA) is a mechanism by which electrons may be accelerated over much shorter distances than...
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Sam Kill (London Interdisciplinary School)11/02/2026, 13:00Poster Presentation
This poster examines the UK's frameworks for nuclear emergency information sharing, analysing the gap between stated transparency obligations and crisis behaviour. We review the three-tier operational structure, legal requirements, and public communication systems. Historical case studies, from the 1957 Windscale Fire through the 2005 THORP leak, illustrate how information sharing has...
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Lauren Hengeveld (University of Bristol)11/02/2026, 13:00Poster Presentation
This study examined the influence of multi-pixel detector (MPD) geometry on performance in environmental radiation monitoring, with emphasis on geometric configuration, angular response, and spectral quality. Geant4 simulations were used to model both cubic and non-cubic detector arrays, which were evaluated through metrics including hit distribution, angular sensitivity, and energy...
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Thomas Anderson-Olson (University of Manchester)11/02/2026, 13:00Poster Presentation
Identifying materials within sealed containers is of interest to the UK’s continuing stewardship of nuclear material. Radiological methods can be used to specifically identify nuclear material but are susceptible to self shielding where the material of interest attenuates its own specific signals creating the risk of misleading results. The Alternative Signatures group in the Nuclear Threat...
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